21454198272

Names of 21454198272

• Cardinal: 21454198272 can be written as Twenty-one billion, four hundred fifty-four million, one hundred ninety-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1454198272 × 10¹⁰

Factors of 21454198272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3900

Divisors of 21454198272

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 32 36 39 48 52 54 62 64 72 78 93 96 104 108 117 124 128 144 156 186 192 208 216 234 248 256 279 288 312 351 372 384 403 416 432 468 496 512 558 576 624 702 744 768 806 832 837 864 936 992 1116 1152 1209 1248 1404 1488 1536 1612 1664 1674 1728 1872 1984 2232 2304 2418 2496 2808 2976 3224 3328 3348 3456 3627 3744 3851 3968 4464 4608 4836 4992 5616 5952 6448 6656 6696 6912 7254 7488 7702 7936 8928 9672 9984 10881 11232 11553 11904 12896 13392 13824 14508 14976 15404 15872 17856 19344 19968 21762 22464 23106 23808 25792 26784 29016 29952 30808 34659 35712 38688 43524 44928 46212 47616 50063 51584 53568 58032 59904 61616 69318 71424 77376 87048 89856 92424 100126 103168 103977 107136 116064 119381 123232 138636 142848 150189 154752 174096 179712 184848 200252 206336 207954 214272 232128 238762 246464 277272 300378 309504 348192 358143 369696 400504 415908 428544 450567 464256 477524 492928 554544 600756 619008 696384 716286 739392 801008 831816 901134 928512 955048 985856 1074429 1109088 1201512 1351701 1392768 1432572 1478784 1551953 1602016 1663632 1802268 1857024 1910096 1971712 2148858 2218176 2403024 2703402 2785536 2865144 2957568 3103906 3204032 3223287 3327264 3604536 3820192 4297716 4436352 4655859 4806048 5406804 5571072 5730288 5915136 6207812 6408064 6446574 6654528 7209072 7640384 8595432 8872704 9311718 9612096 10813608 11460576 12415624 12816128 12893148 13309056 13967577 14418144 15280768 17190864 17745408 18623436 19224192 21627216 22921152 24831248 25632256 25786296 26618112 27935154 28836288 30561536 34381728 37246872 38448384 41902731 43254432 45842304 49662496 51572592 53236224 55870308 57672576 61123072 68763456 74493744 76896768 83805462 86508864 91684608 99324992 103145184 111740616 115345152 137526912 148987488 167610924 173017728 183369216 198649984 206290368 223481232 230690304 275053824 297974976 335221848 346035456 397299968 412580736 446962464 550107648 595949952 670443696 692070912 794599936 825161472 893924928 1191899904 1340887392 1650322944 1787849856 2383799808 2681774784 3575699712 5363549568 7151399424 10727099136 21454198272
• Sum of all divisors σ(n): 70615480320
• Sum of proper divisors (its aliquot sum) s(n): 49161282048
• 21454198272 is an abundant number, because the sum of its proper divisors (49161282048) is greater than itself. Its abundance is 27707083776

Bases of 21454198272

• Binary: 10011111110110001010001011000000000₂
• Hexadecimal: 0x4FEC51600
• Base-36: 9UT9XC0

Squares and roots of 21454198272

• 21454198272 squared (21454198272²) is 460282623494287785984
• 21454198272 cubed (21454198272³) is 9874994665602775619928638619648
• The square root of 21454198272 is 146472.5171218137
• The cube root of 21454198272 is 2778.6729287049

Scales and comparisons

• 21,454,198,272 seconds is equal to 682 years, 9 weeks, 1 day, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,454,198,272 would take you about one thousand, three hundred sixty-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 21454198272 cubic inches would be around 231.6 feet tall.

Recreational maths with 21454198272

• 21454198272 backwards is 27289145412
• The number of decimal digits it has is: 11
• The sum of 21454198272's digits is 45
• More coming soon!