20814887520

Names of 20814887520

• Cardinal: 20814887520 can be written as Twenty billion, eight hundred fourteen million, eight hundred eighty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.081488752 × 10¹⁰

Factors of 20814887520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 496

Divisors of 20814887520

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 96 105 108 112 120 126 135 140 144 160 162 168 180 189 210 216 224 240 252 270 280 288 315 324 336 360 378 405 420 432 479 480 504 540 560 567 630 648 672 720 756 810 840 864 945 958 1008 1080 1120 1134 1260 1296 1437 1440 1512 1620 1680 1890 1916 2016 2160 2268 2395 2520 2592 2835 2874 3024 3240 3353 3360 3780 3832 4311 4320 4536 4790 5040 5670 5748 6048 6480 6706 7185 7560 7664 8622 9072 9580 10059 10080 11340 11496 12933 12960 13412 14370 15120 15328 16765 17244 18144 19160 20118 21555 22680 22992 25866 26824 28740 30177 30240 33530 34488 38320 38799 40236 43110 45360 45984 50295 51732 53648 57480 60354 64665 67060 68976 76640 77598 80472 86220 90531 90720 100590 103464 107296 114960 120708 129330 134120 137952 150885 155196 160944 172440 181062 193995 201180 206928 229441 229920 241416 258660 268240 271593 301770 310392 321888 344880 362124 387990 402360 413856 452655 458882 482832 517320 536480 543186 603540 620784 688323 689760 724248 775980 804720 905310 917764 965664 1034640 1086372 1147205 1207080 1241568 1357965 1376646 1448496 1551960 1606087 1609440 1810620 1835528 2064969 2069280 2172744 2294410 2414160 2715930 2753292 2896992 3103920 3212174 3441615 3621240 3671056 4129938 4345488 4588820 4818261 4828320 5431860 5506584 6194907 6207840 6424348 6883230 7242480 7342112 8030435 8259876 8690976 9177640 9636522 10324845 10863720 11013168 12389814 12848696 13766460 14454783 14484960 16060870 16519752 18355280 18584721 19273044 20649690 21727440 22026336 24091305 24779628 25697392 27532920 28909566 30974535 32121740 33039504 36710560 37169442 38546088 41299380 43364349 43454880 48182610 49559256 51394784 55065840 57819132 61949070 64243480 66079008 72273915 74338884 77092176 82598760 86728698 92923605 96365220 99118512 110131680 115638264 123898140 128486960 130093047 144547830 148677768 154184352 165197520 173457396 185847210 192730440 198237024 216821745 231276528 247796280 256973920 260186094 289095660 297355536 330395040 346914792 371694420 385460880 433643490 462553056 495592560 520372188 578191320 594711072 650465235 693829584 743388840 770921760 867286980 991185120 1040744376 1156382640 1300930470 1387659168 1486777680 1734573960 2081488752 2312765280 2601860940 2973555360 3469147920 4162977504 5203721880 6938295840 10407443760 20814887520
• Sum of all divisors σ(n): 84129013584
• Sum of proper divisors (its aliquot sum) s(n): 63314126064
• 20814887520 is an abundant number, because the sum of its proper divisors (63314126064) is greater than itself. Its abundance is 42499238544

Bases of 20814887520

• Binary: 10011011000101010011111101001100000₂
• Hexadecimal: 0x4D8A9FA60
• Base-36: 9K8NA00

Squares and roots of 20814887520

• 20814887520 squared (20814887520²) is 433259542470251750400
• 20814887520 cubed (20814887520³) is 9018248643484953130659115008000
• The square root of 20814887520 is 144273.6549755359
• The cube root of 20814887520 is 2750.7937111705

Scales and comparisons

• 20,814,887,520 seconds is equal to 661 years, 44 weeks, 1 day, 1 hour, 12 minutes.
• To count from 1 to 20,814,887,520 would take you about one thousand, three hundred twenty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20814887520 cubic inches would be around 229.2 feet tall.

Recreational maths with 20814887520

• 20814887520 backwards is 02578841802
• 20814887520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20814887520's digits is 45
• More coming soon!