21613473553920

Names of 21613473553920

• Cardinal: 21613473553920 can be written as Twenty-one trillion, six hundred thirteen billion, four hundred seventy-three million, five hundred fifty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.161347355392 × 10¹³

Factors of 21613473553920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4778081

Divisors of 21613473553920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 31 32 38 40 48 57 60 62 64 76 80 93 95 96 114 120 124 128 152 155 160 186 190 192 228 240 248 256 285 304 310 320 372 380 384 456 465 480 496 512 570 589 608 620 640 744 760 768 912 930 960 992 1140 1178 1216 1240 1280 1488 1520 1536 1767 1824 1860 1920 1984 2280 2356 2432 2480 2560 2945 2976 3040 3534 3648 3720 3840 3968 4560 4712 4864 4960 5890 5952 6080 7068 7296 7440 7680 7936 8835 9120 9424 9728 9920 11780 11904 12160 14136 14592 14880 15872 17670 18240 18848 19840 23560 23808 24320 28272 29184 29760 35340 36480 37696 39680 47120 47616 48640 56544 59520 70680 72960 75392 79360 94240 113088 119040 141360 145920 150784 188480 226176 238080 282720 301568 376960 452352 565440 753920 904704 1130880 1507840 2261760 4523520 4778021 9556042 14334063 19112084 23890105 28668126 38224168 47780210 57336252 71670315 76448336 90782399 95560420 114672504 143340630 148118651 152896672 181564798 191120840 229345008 272347197 286681260 296237302 305793344 363129596 382241680 444355953 453911995 458690016 544694394 573362520 592474604 611586688 726259192 740593255 764483360 888711906 907823990 917380032 1089388788 1146725040 1184949208 1223173376 1361735985 1452518384 1481186510 1528966720 1777423812 1815647980 1834760064 2178777576 2221779765 2293450080 2369898416 2446346752 2723471970 2814254369 2905036768 2962373020 3057933440 3554847624 3631295960 3669520128 4357555152 4443559530 4586900160 4739796832 5446943940 5628508738 5810073536 5924746040 6115866880 7109695248 7262591920 7339040256 8442763107 8715110304 8887119060 9173800320 9479593664 10893887880 11257017476 11620147072 11849492080 12231733760 14071271845 14219390496 14525183840 16885526214 17430220608 17774238120 18347600640 18959187328 21787775760 22514034952 23240294144 23698984160 28142543690 28438780992 29050367680 33771052428 34860441216 35548476240 36695201280 37918374656 42213815535 43575551520 45028069904 46480588288 47397968320 56285087380 56877561984 58100735360 67542104856 69720882432 71096952480 75836749312 84427631070 87151103040 90056139808 94795936640 112570174760 113755123968 116201470720 135084209712 139441764864 142193904960 168855262140 174302206080 180112279616 189591873280 225140349520 227510247936 232402941440 270168419424 284387809920 337710524280 348604412160 360224559232 379183746560 450280699040 540336838848 568775619840 675421048560 697208824320 720449118464 900561398080 1080673677696 1137551239680 1350842097120 1440898236928 1801122796160 2161347355392 2701684194240 3602245592320 4322694710784 5403368388480 7204491184640 10806736776960 21613473553920
• Sum of all divisors σ(n): 75078397532160
• Sum of proper divisors (its aliquot sum) s(n): 53464923978240
• 21613473553920 is an abundant number, because the sum of its proper divisors (53464923978240) is greater than itself. Its abundance is 31851450424320

Bases of 21613473553920

• Binary: 100111010100001000111011010011101111000000000₂
• Hexadecimal: 0x13A84769DE00
• Base-36: 7NT3C3ZEO

Squares and roots of 21613473553920

• 21613473553920 squared (21613473553920²) is 467142239065999235147366400
• 21613473553920 cubed (21613473553920³) is 10096566429971948750316551040336396288000
• The square root of 21613473553920 is 4649029.3130846143
• The cube root of 21613473553920 is 27855.3224182097

Scales and comparisons

• 21,613,473,553,920 seconds is equal to 687,241 years, 31 weeks, 2 days, 21 hours, 52 minutes.
• To count from 1 to 21,613,473,553,920 would take you about one million, seven hundred eighteen thousand, one hundred four 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 21613473553920 cubic inches would be around 2321.3 feet tall.

Recreational maths with 21613473553920

• 21613473553920 backwards is 02935537431612
• The number of decimal digits it has is: 14
• The sum of 21613473553920's digits is 51
• More coming soon!