21505615040000

Names of 21505615040000

• Cardinal: 21505615040000 can be written as Twenty-one trillion, five hundred five billion, six hundred fifteen million, forty thousand.

Scientific notation

• Scientific notation: 2.150561504 × 10¹³

Factors of 21505615040000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 56836

Divisors of 21505615040000

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 40 50 52 56 64 65 70 80 91 100 104 112 125 128 130 140 160 169 175 182 200 208 224 250 256 260 280 320 325 338 350 364 400 416 448 455 500 512 520 560 625 640 650 676 700 728 800 832 845 875 896 910 1000 1040 1120 1183 1250 1280 1300 1352 1400 1456 1600 1625 1664 1690 1750 1792 1820 2000 2080 2240 2275 2366 2500 2560 2600 2704 2800 2912 3200 3250 3328 3380 3500 3584 3640 4000 4160 4225 4375 4480 4550 4732 5000 5200 5408 5600 5824 5915 6400 6500 6656 6760 7000 7280 8000 8125 8320 8450 8750 8960 9100 9464 10000 10400 10816 11200 11375 11648 11830 12800 13000 13520 14000 14560 16000 16250 16640 16900 17500 17920 18200 18928 20000 20800 21125 21632 22400 22750 23296 23660 26000 27040 28000 29120 29575 32000 32500 33280 33800 35000 36400 37856 40000 41600 42250 43264 44800 45500 46592 47320 52000 54080 56000 56809 56875 58240 59150 64000 65000 67600 70000 72800 75712 80000 83200 84500 86528 89600 91000 94640 104000 105625 108160 112000 113618 113750 116480 118300 130000 135200 140000 145600 147875 151424 160000 166400 169000 182000 189280 208000 211250 216320 224000 227236 227500 232960 236600 260000 270400 280000 284045 291200 295750 302848 320000 338000 364000 378560 397663 416000 422500 432640 448000 454472 455000 473200 520000 540800 560000 568090 582400 591500 605696 676000 728000 738517 739375 757120 795326 832000 845000 908944 910000 946400 1040000 1081600 1120000 1136180 1164800 1183000 1352000 1420225 1456000 1477034 1478750 1514240 1590652 1690000 1817888 1820000 1892800 1988315 2080000 2163200 2240000 2272360 2366000 2704000 2840450 2912000 2954068 2957500 3028480 3181304 3380000 3635776 3640000 3692585 3785600 3976630 4160000 4544720 4732000 5169619 5408000 5680900 5824000 5908136 5915000 6362608 6760000 7101125 7271552 7280000 7385170 7571200 7953260 9089440 9464000 9600721 9941575 10339238 10816000 11361800 11816272 11830000 12725216 13520000 14202250 14543104 14560000 14770340 15142400 15906520 18178880 18462925 18928000 19201442 19883150 20678476 22723600 23632544 23660000 25450432 25848095 27040000 28404500 29086208 29120000 29540680 31813040 35505625 36357760 36925850 37856000 38402884 39766300 41356952 45447200 47265088 47320000 48003605 49707875 50900864 51696190 54080000 56809000 59081360 63626080 67205047 71011250 72715520 73851700 75712000 76805768 79532600 82713904 90894400 92314625 94530176 94640000 96007210 99415750 101801728 103392380 113618000 118162720 127252160 129240475 134410094 142022500 145431040 147703400 153611536 159065200 165427808 181788800 184629250 189060352 189280000 192014420 198831500 203603456 206784760 227236000 236325440 240018025 248539375 254504320 258480950 268820188 284045000 295406800 307223072 318130400 330855616 336025235 363577600 369258500 378120704 378560000 384028840 397663000 413569520 454472000 461573125 472650880 480036050 497078750 509008640 516961900 537640376 568090000 590813600 614446144 636260800 646202375 661711232 672050470 727155200 738517000 768057680 795326000 827139040 908944000 923146250 945301760 960072100 994157500 1018017280 1033923800 1075280752 1136180000 1181627200 1200090125 1228892288 1272521600 1292404750 1323422464 1344100940 1477034000 1536115360 1590652000 1654278080 1680126175 1817888000 1846292500 1890603520 1920144200 1988315000 2067847600 2150561504 2272360000 2363254400 2400180250 2457784576 2545043200 2584809500 2646844928 2688201880 2954068000 3072230720 3181304000 3231011875 3308556160 3360252350 3635776000 3692585000 3840288400 3976630000 4135695200 4301123008 4544720000 4726508800 4800360500 4915569152 5090086400 5169619000 5376403760 5908136000 6000450625 6144461440 6362608000 6462023750 6617112320 6720504700 7385170000 7680576800 7953260000 8271390400 8400630875 8602246016 9089440000 9453017600 9600721000 10339238000 10752807520 11816272000 12000901250 12288922880 12725216000 12924047500 13234224640 13441009400 14770340000 15361153600 15906520000 16542780800 16801261750 17204492032 18178880000 19201442000 20678476000 21505615040 23632544000 24001802500 24577845760 25450432000 25848095000 26882018800 29540680000 30722307200 31813040000 33085561600 33602523500 34408984064 38402884000 41356952000 42003154375 43011230080 47265088000 48003605000 51696190000 53764037600 59081360000 61444614400 63626080000 66171123200 67205047000 76805768000 82713904000 84006308750 86022460160 96007210000 103392380000 107528075200 118162720000 122889228800 127252160000 134410094000 153611536000 165427808000 168012617500 172044920320 192014420000 206784760000 215056150400 236325440000 268820188000 307223072000 330855616000 336025235000 384028840000 413569520000 430112300800 537640376000 614446144000 672050470000 768057680000 827139040000 860224601600 1075280752000 1344100940000 1536115360000 1654278080000 2150561504000 2688201880000 3072230720000 4301123008000 5376403760000 10752807520000 21505615040000
• Sum of all divisors σ(n): 66449624875920
• Sum of proper divisors (its aliquot sum) s(n): 44944009835920
• 21505615040000 is an abundant number, because the sum of its proper divisors (44944009835920) is greater than itself. Its abundance is 23438394795920

Bases of 21505615040000

• Binary: 100111000111100101010100010111000111000000000₂
• Hexadecimal: 0x138F2A8B8E00
• Base-36: 7MFJJXPFK

Squares and roots of 21505615040000

• 21505615040000 squared (21505615040000²) is 462491478248674201600000000
• 21505615040000 cubed (21505615040000³) is 9946163690496520769988952064000000000000
• The square root of 21505615040000 is 4637414.6935550201
• The cube root of 21505615040000 is 27808.9093125559

Scales and comparisons

• 21,505,615,040,000 seconds is equal to 683,812 years, 1 week, 6 days, 11 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,505,615,040,000 would take you about one million, seven hundred nine thousand, five hundred thirty 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 21505615040000 cubic inches would be around 2317.4 feet tall.

Recreational maths with 21505615040000

• 21505615040000 backwards is 00004051650512
• The number of decimal digits it has is: 14
• The sum of 21505615040000's digits is 29
• More coming soon!