21221045712

Names of 21221045712

• Cardinal: 21221045712 can be written as Twenty-one billion, two hundred twenty-one million, forty-five thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1221045712 × 10¹⁰

Factors of 21221045712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7638

Divisors of 21221045712

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 37 48 54 72 74 108 111 144 148 179 216 222 296 333 358 432 444 537 592 666 716 888 999 1074 1332 1432 1611 1776 1998 2148 2664 2864 3222 3996 4296 4833 5328 6444 6623 7417 7992 8592 9666 12888 13246 14834 15984 19332 19869 22251 25776 26492 29668 38664 39738 44502 52984 59336 59607 66753 77328 79476 89004 105968 118672 119214 133506 158952 178008 178821 200259 238428 267012 274429 317904 356016 357642 400518 476856 534024 548858 715284 801036 823287 953712 1068048 1097716 1327643 1430568 1602072 1646574 2195432 2469861 2655286 2861136 3204144 3293148 3982929 4390864 4939722 5310572 6586296 7409583 7965858 9879444 10621144 11948787 13172592 14819166 15931716 19758888 21242288 23897574 29638332 31863432 35846361 39517776 47795148 49122791 59276664 63726864 71692722 95590296 98245582 118553328 143385444 147368373 191180592 196491164 286770888 294736746 392982328 442105119 573541776 589473492 785964656 884210238 1178946984 1326315357 1768420476 2357893968 2652630714 3536840952 5305261428 7073681904 10610522856 21221045712
• Sum of all divisors σ(n): 62916508800
• Sum of proper divisors (its aliquot sum) s(n): 41695463088
• 21221045712 is an abundant number, because the sum of its proper divisors (41695463088) is greater than itself. Its abundance is 20474417376

Bases of 21221045712

• Binary: 10011110000110111110111010111010000₂
• Hexadecimal: 0x4F0DF75D0
• Base-36: 9QYGNO0

Squares and roots of 21221045712

• 21221045712 squared (21221045712²) is 450332781110793586944
• 21221045712 cubed (21221045712³) is 9556532533564240845135070384128
• The square root of 21221045712 is 145674.4511299081
• The cube root of 21221045712 is 2768.5705419803

Scales and comparisons

• 21,221,045,712 seconds is equal to 674 years, 39 weeks, 4 days, 22 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,221,045,712 would take you about one thousand, three hundred forty-nine 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 21221045712 cubic inches would be around 230.7 feet tall.

Recreational maths with 21221045712

• 21221045712 backwards is 21754012212
• 21221045712 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21221045712's digits is 27
• More coming soon!