21291496704

Names of 21291496704

• Cardinal: 21291496704 can be written as Twenty-one billion, two hundred ninety-one million, four hundred ninety-six thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1291496704 × 10¹⁰

Factors of 21291496704

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 675

Divisors of 21291496704

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 64 69 72 81 92 96 108 128 138 144 162 184 192 207 216 243 256 276 288 324 368 384 414 432 486 529 552 576 621 647 648 736 768 828 864 972 1058 1104 1152 1242 1294 1296 1472 1587 1656 1728 1863 1941 1944 2116 2208 2304 2484 2588 2592 2944 3174 3312 3456 3726 3882 3888 4232 4416 4761 4968 5176 5184 5589 5823 5888 6348 6624 6912 7452 7764 7776 8464 8832 9522 9936 10352 10368 11178 11646 12696 13248 14283 14881 14904 15528 15552 16928 17469 17664 19044 19872 20704 20736 22356 23292 25392 26496 28566 29762 29808 31056 31104 33856 34938 38088 39744 41408 42849 44643 44712 46584 50784 52407 52992 57132 59524 59616 62112 62208 67712 69876 76176 79488 82816 85698 89286 89424 93168 101568 104814 114264 119048 119232 124224 128547 133929 135424 139752 152352 157221 158976 165632 171396 178572 178848 186336 203136 209628 228528 238096 238464 248448 257094 267858 279504 304704 314442 342263 342792 357144 357696 372672 401787 406272 419256 457056 476192 476928 496896 514188 535716 559008 609408 628884 684526 685584 714288 715392 745344 803574 838512 914112 952384 1026789 1028376 1071432 1118016 1205361 1218816 1257768 1369052 1371168 1428576 1430784 1490688 1607148 1677024 1828224 1904768 2053578 2056752 2142864 2236032 2410722 2515536 2738104 2742336 2857152 3080367 3214296 3354048 3616083 3656448 3809536 4107156 4113504 4285728 4472064 4821444 5031072 5476208 5484672 5714304 6160734 6428592 6708096 7232166 8214312 8227008 8571456 9241101 9642888 10062144 10952416 10969344 11428608 12321468 12857184 13416192 14464332 16428624 16454016 17142912 18482202 19285776 20124288 21904832 24642936 25714368 27723303 28928664 32857248 32908032 34285824 36964404 38571552 40248576 43809664 49285872 51428736 55446606 57857328 65714496 73928808 77143104 83169909 87619328 98571744 102857472 110893212 115714656 131428992 147857616 154286208 166339818 197143488 221786424 231429312 262857984 295715232 308572416 332679636 394286976 443572848 462858624 591430464 665359272 788573952 887145696 925717248 1182860928 1330718544 1774291392 2365721856 2661437088 3548582784 5322874176 7097165568 10645748352 21291496704
• Sum of all divisors σ(n): 66653417376
• Sum of proper divisors (its aliquot sum) s(n): 45361920672
• 21291496704 is an abundant number, because the sum of its proper divisors (45361920672) is greater than itself. Its abundance is 24070423968

Bases of 21291496704

• Binary: 10011110101000100100111010100000000₂
• Hexadecimal: 0x4F5127500
• Base-36: 9S4EO00

Squares and roots of 21291496704

• 21291496704 squared (21291496704²) is 453327831896442863616
• 21291496704 cubed (21291496704³) is 9652028038654579300004385521664
• The square root of 21291496704 is 145916.0604731367
• The cube root of 21291496704 is 2771.6309172961

Scales and comparisons

• 21,291,496,704 seconds is equal to 677 years, 1 day, 8 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,291,496,704 would take you about one thousand, three hundred fifty-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 21291496704 cubic inches would be around 231 feet tall.

Recreational maths with 21291496704

• 21291496704 backwards is 40769419212
• The number of decimal digits it has is: 11
• The sum of 21291496704's digits is 45
• More coming soon!