21072965122656

Names of 21072965122656

• Cardinal: 21072965122656 can be written as Twenty-one trillion, seventy-two billion, nine hundred sixty-five million, one hundred twenty-two thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 2.1072965122656 × 10¹³

Factors of 21072965122656

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2711

Divisors of 21072965122656

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 59 72 96 108 118 144 177 216 236 288 354 432 472 531 708 864 944 1062 1416 1593 1888 2124 2647 2832 3186 3481 4248 5294 5664 6372 6962 7941 8496 10443 10588 12744 13924 15882 16992 20886 21176 23823 25488 27848 31329 31764 41772 42352 47646 50976 55696 62658 63528 71469 83544 84704 93987 95292 111392 125316 127056 142938 156173 167088 187974 190584 250632 254112 285876 312346 334176 375948 381168 468519 501264 571752 624692 751896 762336 937038 1002528 1143504 1249384 1405557 1503792 1874076 2287008 2498768 2811114 3007584 3748152 4216671 4997536 5622228 7006609 7496304 8433342 9214207 11244456 14013218 14992608 16866684 18428414 21019827 22488912 27642621 28026436 33733368 36856828 42039654 44977824 55285242 56052872 63059481 67466736 73713656 82927863 84079308 110570484 112105744 126118962 134933472 147427312 165855726 168158616 189178443 221140968 224211488 248783589 252237924 294854624 331711452 336317232 378356886 413389931 442281936 497567178 504475848 663422904 672634464 756713772 826779862 884563872 995134356 1008951696 1240169793 1326845808 1513427544 1653559724 1990268712 2017903392 2480339586 2653691616 3026855088 3307119448 3720509379 3980537424 4960679172 6053710176 6614238896 7441018758 7961074848 9921358344 11161528137 13228477792 14882037516 19842716688 22323056274 24390005929 29764075032 39685433376 44646112548 48780011858 59528150064 73170017787 89292225096 97560023716 119056300128 146340035574 178584450192 195120047432 219510053361 292680071148 357168900384 390240094864 439020106722 585360142296 658530160083 780480189728 878040213444 1170720284592 1317060320166 1756080426888 2341440569184 2634120640332 3512160853776 5268241280664 7024321707552 10536482561328 21072965122656
• Sum of all divisors σ(n): 62545843173240
• Sum of proper divisors (its aliquot sum) s(n): 41472878050584
• 21072965122656 is an abundant number, because the sum of its proper divisors (41472878050584) is greater than itself. Its abundance is 20399912927928

Bases of 21072965122656

• Binary: 100110010101001101110100110011011101001100000₂
• Hexadecimal: 0x132A6E99BA60
• Base-36: 7GWSBCGO0

Squares and roots of 21072965122656

• 21072965122656 squared (21072965122656²) is 444069859060676205124494336
• 21072965122656 cubed (21072965122656³) is 9357868652008395179867590400976217276416
• The square root of 21072965122656 is 4590529.9391961273
• The cube root of 21072965122656 is 27621.1580404653

Scales and comparisons

• 21,072,965,122,656 seconds is equal to 670,055 years, 5 weeks, 4 days, 6 hours, 57 minutes, 36 seconds.
• To count from 1 to 21,072,965,122,656 would take you about one million, six hundred seventy-five thousand, one hundred thirty-seven 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 21072965122656 cubic inches would be around 2301.8 feet tall.

Recreational maths with 21072965122656

• 21072965122656 backwards is 65622156927012
• 21072965122656 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21072965122656's digits is 54
• More coming soon!