21265813270

Names of 21265813270

• Cardinal: 21265813270 can be written as Twenty-one billion, two hundred sixty-five million, eight hundred thirteen thousand, two hundred seventy.

Scientific notation

• Scientific notation: 2.126581327 × 10¹⁰

Factors of 21265813270

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 407

Divisors of 21265813270

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 13 19 26 37 38 65 74 95 130 185 190 247 331 361 370 481 494 662 703 722 962 1235 1369 1406 1655 1805 2405 2470 2738 3310 3515 3610 4303 4693 4810 6289 6845 7030 8606 9139 9386 12247 12578 13357 13690 17797 18278 21515 23465 24494 26011 26714 31445 35594 43030 45695 46930 52022 61235 62890 66785 81757 88985 91390 119491 122470 130055 133570 159211 163514 173641 177970 232693 238982 260110 318422 338143 347282 408785 453139 465386 494209 597455 676286 796055 817570 868205 906278 988418 1163465 1194910 1553383 1592110 1690715 1736410 2265695 2326930 2471045 3025009 3106766 3381430 4421167 4531390 4942090 5890807 6050018 6424717 7766915 8609641 8842334 11781614 12849434 15125045 15533830 17219282 22105835 29454035 30250090 32123585 43048205 44211670 57475171 58908070 64247170 86096410 111925333 114950342 163583179 223850666 287375855 327166358 559626665 574751710 817915895 1119253330 1635831790 2126581327 4253162654 10632906635 21265813270
• Sum of all divisors σ(n): 44849509488
• Sum of proper divisors (its aliquot sum) s(n): 23583696218
• 21265813270 is an abundant number, because the sum of its proper divisors (23583696218) is greater than itself. Its abundance is 2317882948

Bases of 21265813270

• Binary: 10011110011100010101000111100010110₂
• Hexadecimal: 0x4F38A8F16
• Base-36: 9RP46JA

Squares and roots of 21265813270

• 21265813270 squared (21265813270²) is 452234814034508092900
• 21265813270 cubed (21265813270³) is 9617141109451024439915212783000
• The square root of 21265813270 is 145828.0263529613
• The cube root of 21265813270 is 2770.5160177213

Scales and comparisons

• 21,265,813,270 seconds is equal to 676 years, 9 weeks, 5 days, 2 hours, 21 minutes, 10 seconds.
• To count from 1 to 21,265,813,270 would take you about one thousand, three hundred fifty-two 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 21265813270 cubic inches would be around 230.9 feet tall.

Recreational maths with 21265813270

• 21265813270 backwards is 07231856212
• 21265813270 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21265813270's digits is 37
• More coming soon!