21049808325

Names of 21049808325

• Cardinal: 21049808325 can be written as Twenty-one billion, forty-nine million, eight hundred eight thousand, three hundred twenty-five.

Scientific notation

• Scientific notation: 2.1049808325 × 10¹⁰

Factors of 21049808325

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 353

Divisors of 21049808325

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 13 15 21 25 31 35 39 49 61 65 75 91 93 105 147 155 175 183 195 217 233 245 273 305 325 403 427 455 465 525 637 651 699 735 775 793 915 975 1085 1165 1209 1225 1281 1365 1519 1525 1631 1891 1911 2015 2135 2275 2325 2379 2821 2989 3029 3185 3255 3495 3675 3965 4557 4575 4893 5425 5551 5673 5825 6045 6405 6825 7223 7595 8155 8463 8967 9087 9455 9555 10075 10675 11417 11895 13237 14105 14213 14945 15145 15925 16275 16653 17475 19747 19825 21203 21669 22785 24465 24583 27755 28365 30225 32025 34251 36115 37975 38857 39711 40775 42315 42639 44835 45435 47275 47775 50561 57085 59241 59475 63609 66185 70525 71065 73749 74725 75725 83265 92659 93899 98735 99491 106015 108345 113925 116571 122325 122915 138775 141825 148421 151683 171255 172081 180575 184769 194285 198555 211575 213195 224175 227175 252805 277977 281697 285425 296205 298473 318045 330925 353927 355325 368745 416325 440603 445263 463295 469495 493675 497455 516243 530075 541725 554307 582855 614575 657293 696437 742105 758415 856275 860405 923845 971425 992775 1061781 1065975 1204567 1264025 1293383 1321809 1389885 1408485 1481025 1492365 1590225 1769635 1843725 1971879 2089311 2203015 2226315 2316475 2347475 2487275 2581215 2771535 2914275 3084221 3286465 3482185 3613701 3710525 3792075 3880149 4302025 4601051 4619225 5308905 5727839 6022835 6466915 6609045 6949425 7042425 7461825 8848175 9053681 9252663 9859395 10446555 11015075 11131575 12906075 13803153 13857675 15421105 16432325 17183517 17410925 18068505 19400745 21589547 23005255 26544525 27161043 28639195 30114175 32334575 33045225 40094873 45268405 46263315 49296975 52232775 64768641 69015765 77105525 85917585 90342525 97003725 107947735 115026275 120284619 135805215 143195975 200474365 226342025 231316575 280664111 323843205 345078825 429587925 539738675 601423095 679026075 841992333 1002371825 1403320555 1619216025 3007115475 4209961665 7016602775 21049808325
• Sum of all divisors σ(n): 45939059712
• Sum of proper divisors (its aliquot sum) s(n): 24889251387
• 21049808325 is an abundant number, because the sum of its proper divisors (24889251387) is greater than itself. Its abundance is 3839443062

Bases of 21049808325

• Binary: 10011100110101010101001010111000101₂
• Hexadecimal: 0x4E6AA95C5
• Base-36: 9O4IG1X

Squares and roots of 21049808325

• 21049808325 squared (21049808325²) is 443094430519239305625
• 21049808325 cubed (21049808325³) is 9327052832305017608212344328125
• The square root of 21049808325 is 145085.5207282933
• The cube root of 21049808325 is 2761.1036825973

Scales and comparisons

• 21,049,808,325 seconds is equal to 669 years, 16 weeks, 4 days, 58 minutes, 45 seconds.
• To count from 1 to 21,049,808,325 would take you about one thousand, three hundred thirty-eight 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 21049808325 cubic inches would be around 230.1 feet tall.

Recreational maths with 21049808325

• 21049808325 backwards is 52380894012
• The number of decimal digits it has is: 11
• The sum of 21049808325's digits is 42
• More coming soon!