20686872960

Names of 20686872960

• Cardinal: 20686872960 can be written as Twenty billion, six hundred eighty-six million, eight hundred seventy-two thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.068687296 × 10¹⁰

Factors of 20686872960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5457

Divisors of 20686872960

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 27 30 32 34 36 39 40 45 48 51 52 54 60 64 65 68 72 78 80 85 90 96 102 104 108 117 120 128 130 135 136 144 153 156 160 170 180 192 195 204 208 216 221 234 240 255 260 270 272 288 306 312 320 340 351 360 384 390 408 416 432 442 459 468 480 510 520 540 544 576 585 612 624 640 663 680 702 720 765 780 816 832 864 884 918 936 960 1020 1040 1080 1088 1105 1152 1170 1224 1248 1326 1360 1404 1440 1530 1560 1632 1664 1728 1755 1768 1836 1872 1920 1989 2040 2080 2160 2176 2210 2295 2340 2448 2496 2652 2720 2808 2880 3060 3120 3264 3315 3456 3510 3536 3672 3744 3978 4080 4160 4320 4420 4590 4680 4896 4992 5304 5417 5440 5616 5760 5967 6120 6240 6528 6630 7020 7072 7344 7488 7956 8160 8320 8640 8840 9180 9360 9792 9945 10608 10834 10880 11232 11934 12240 12480 13260 14040 14144 14688 14976 15912 16251 16320 17280 17680 18360 18720 19584 19890 21216 21668 22464 23868 24480 24960 26520 27085 28080 28288 29376 29835 31824 32502 32640 35360 36720 37440 39780 42432 43336 44928 47736 48753 48960 53040 54170 56160 58752 59670 63648 65004 70421 70720 73440 74880 79560 81255 84864 86672 92089 95472 97506 97920 106080 108340 112320 119340 127296 130008 140842 141440 146259 146880 159120 162510 173344 184178 190944 195012 211263 212160 216680 224640 238680 243765 254592 260016 276267 281684 292518 293760 318240 325020 346688 352105 368356 381888 390024 422526 424320 433360 460445 477360 487530 520032 552534 563368 585036 633789 636480 650040 693376 704210 731295 736712 763776 780048 828801 845052 866720 920890 954720 975060 1040064 1056315 1105068 1126736 1170072 1197157 1267578 1272960 1300080 1381335 1408420 1462590 1473424 1560096 1657602 1690104 1733440 1841780 1901367 1909440 1950120 2080128 2112630 2210136 2253472 2340144 2394314 2486403 2535156 2600160 2762670 2816840 2925180 2946848 3120192 3168945 3315204 3380208 3466880 3591471 3683560 3802734 3818880 3900240 4144005 4225260 4420272 4506944 4680288 4788628 4972806 5070312 5200320 5525340 5633680 5850360 5893696 5985785 6240384 6337890 6630408 6760416 7182942 7367120 7605468 7800480 8288010 8450520 8840544 9013888 9360576 9506835 9577256 9945612 10140624 10400640 10774413 11050680 11267360 11700720 11787392 11971570 12432015 12675780 13260816 13520832 14365884 14734240 15210936 15600960 16576020 16901040 17681088 17957355 18721152 19013670 19154512 19891224 20281248 21548826 22101360 22534720 23401440 23943140 24864030 25351560 26521632 27041664 28731768 29468480 30421872 31201920 32323239 33152040 33802080 35362176 35914710 38027340 38309024 39782448 40562496 43097652 44202720 45069440 46802880 47886280 49728060 50703120 53043264 53872065 57463536 58936960 60843744 64646478 66304080 67604160 71829420 76054680 76618048 79564896 81124992 86195304 88405440 93605760 95772560 99456120 101406240 106086528 107744130 114927072 121687488 129292956 132608160 135208320 143658840 152109360 153236096 159129792 161616195 172390608 176810880 191545120 198912240 202812480 215488260 229854144 243374976 258585912 265216320 287317680 304218720 318259584 323232390 344781216 383090240 397824480 405624960 430976520 459708288 517171824 530432640 574635360 608437440 646464780 689562432 766180480 795648960 861953040 1034343648 1149270720 1216874880 1292929560 1379124864 1591297920 1723906080 2068687296 2298541440 2585859120 3447812160 4137374592 5171718240 6895624320 10343436480 20686872960
• Sum of all divisors σ(n): 83558563200
• Sum of proper divisors (its aliquot sum) s(n): 62871690240
• 20686872960 is an abundant number, because the sum of its proper divisors (62871690240) is greater than itself. Its abundance is 42184817280

Bases of 20686872960

• Binary: 10011010001000010001010000110000000₂
• Hexadecimal: 0x4D108A180
• Base-36: 9I4FHC0

Squares and roots of 20686872960

• 20686872960 squared (20686872960²) is 427946712863179161600
• 20686872960 cubed (20686872960³) is 8852879282650185177738510336000
• The square root of 20686872960 is 143829.3188470277
• The cube root of 20686872960 is 2745.1428514149

Scales and comparisons

• 20,686,872,960 seconds is equal to 657 years, 40 weeks, 3 days, 9 hours, 36 minutes.
• To count from 1 to 20,686,872,960 would take you about one thousand, three hundred fifteen 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 20686872960 cubic inches would be around 228.8 feet tall.

Recreational maths with 20686872960

• 20686872960 backwards is 06927868602
• 20686872960 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20686872960's digits is 54
• More coming soon!