An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, comprising an "alpha, beta unsaturated end" and a "C-C double bond end," and wherein the reaction takes place in the presence of at least one free-radical initiator; wherein the ethylene-based polymer comprises ethylene and at least one asymmetrical polyene as the only monomeric units; and wherein the "alpha, beta unsaturated end" of the asymmetrical polyene is selected from the group consisting of the following: a) wherein R1 is selected from H, or C1-C6 alkyl; b) wherein R2 is selected from H, or C1-C6 alkyl; R3 is selected from H, CH 3, or CH 2 CH 3; R4 is selected from H, CH 3, or CH 2 CH 3; and n is from 1 to 50; and wherein, when R3 is CH 3, or CH 2 CH 3, then R4 is H; and when R4 is CH 3, or CH 2 CH 3, then R3 is H; c) wherein R5 is selected from H, or C1-C6 alkyl; and d) wherein R'5 is selected from H, or C1-C6 alkyl; and wherein the "C-C double bond end" of the asymmetrical polyene is selected from the group consisting of the following: 1) wherein R7 is selected from H, or C1-C6 alkyl; 2) wherein R8 is selected from H, or C1-C6 alkyl; 3) wherein R9 is selected from H, or C1-C6 alkyl; 4) 5) 6) 7) 8) 9) 10) 11) 12) wherein R10 is selected from H, or OH; 13) 14) 15) 16) 17) wherein R11 is selected from H, or OH; 18) 19) 20) 21) 22) wherein R15 is selected from H, or C1-C6 alkyl; R16 is selected from H, or C1-C6 alkyl; and wherein the ethylene-based polymer comprises, in reacted form, less than, or equal to, 10 moles asymmetrical polyene per 1000 moles of ethylene-based polymer back bone carbons, based on the weight of the polymer. a) wherein R1 is selected from H, or C1-C6 alkyl; b) wherein R2 is selected from H, or C1-C6 alkyl; R3 is selected from H, CH 3, or CH 2 CH 3; R4 is selected from H, CH 3, or CH 2 CH 3; and n is from 1 to 50; and wherein, when R3 is CH 3, or CH 2 CH 3, then R4 is H; and when R4 is CH 3, or CH 2 CH 3, then R3 is H; c) wherein R5 is selected from H, or C1-C6 alkyl; and d) wherein R'5 is selected from H, or C1-C6 alkyl; and wherein the "C-C double bond end" of the asymmetrical polyene is selected from the group consisting of the following: 1) wherein R7 is selected from H, or C1-C6 alkyl; 2) wherein R8 is selected from H, or C1-C6 alkyl; 3) wherein R9 is selected from H, or C1-C6 alkyl; 4) 5) 6) 7) 8) 9) 10) 11) 12) wherein R10 is selected from H, or OH; 13) 14) 15) 16) 17) wherein R11 is selected from H, or OH; 18) 19) 20) 21) 22) wherein R15 is selected from H, or C1-C6 alkyl; R16 is selected from H, or C1-C6 alkyl; and wherein the ethylene-based polymer comprises, in reacted form, less than, or equal to, 10 moles asymmetrical polyene per 1000 moles of ethylene-based polymer back bone carbons, based on the weight of the polymer. 1) wherein R7 is selected from H, or C1-C6 alkyl; 2) wherein R8 is selected from H, or C1-C6 alkyl; 3) wherein R9 is selected from H, or C1-C6 alkyl; 4) 5) 6) 7) 8) 9) 10) 11) 12) wherein R10 is selected from H, or OH; 13) 14) 15) 16) 17) wherein R11 is selected from H, or OH; 18) 19) 20) 21) 22) wherein R15 is selected from H, or C1-C6 alkyl; R16 is selected from H, or C1-C6 alkyl; and wherein the ethylene-based polymer comprises, in reacted form, less than, or equal to, 10 moles asymmetrical polyene per 1000 moles of ethylene-based polymer back bone carbons, based on the weight of the polymer.