21083803648

Names of 21083803648

• Cardinal: 21083803648 can be written as Twenty-one billion, eighty-three million, eight hundred three thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1083803648 × 10¹⁰

Factors of 21083803648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 298

Divisors of 21083803648

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 8 16 17 29 32 34 53 58 64 68 106 116 128 136 197 212 232 256 272 394 424 464 493 512 544 788 848 901 928 986 1024 1088 1537 1576 1696 1802 1856 1972 2048 2176 3074 3152 3349 3392 3604 3712 3944 4096 4352 5713 6148 6304 6698 6784 7208 7424 7888 8704 10441 11426 12296 12608 13396 13568 14416 14848 15776 17408 20882 22852 24592 25216 26129 26792 27136 28832 29696 31552 34816 41764 45704 49184 50432 52258 53584 54272 57664 59392 63104 69632 83528 91408 97121 98368 100864 104516 107168 108544 115328 118784 126208 167056 177497 182816 194242 196736 201728 209032 214336 217088 230656 252416 302789 334112 354994 365632 388484 393472 403456 418064 428672 461312 504832 605578 668224 709988 731264 776968 786944 806912 836128 857344 922624 1009664 1211156 1336448 1419976 1462528 1553936 1573888 1672256 1714688 1845248 2019328 2422312 2672896 2839952 2925056 3107872 3147776 3344512 3429376 3690496 4844624 5147413 5345792 5679904 5850112 6215744 6295552 6689024 6858752 9689248 10294826 10691584 11359808 11700224 12431488 13378048 13717504 19378496 20589652 21383168 22719616 23400448 24862976 26756096 38756992 41179304 42766336 45439232 49725952 53512192 77513984 82358608 90878464 99451904 107024384 155027968 164717216 181756928 198903808 310055936 329434432 363513856 397807616 620111872 658868864 727027712 1240223744 1317737728 2635475456 5270950912 10541901824 21083803648
• Sum of all divisors σ(n): 47292212880
• Sum of proper divisors (its aliquot sum) s(n): 26208409232
• 21083803648 is an abundant number, because the sum of its proper divisors (26208409232) is greater than itself. Its abundance is 5124605584

Bases of 21083803648

• Binary: 10011101000101100010101000000000000₂
• Hexadecimal: 0x4E8B15000
• Base-36: 9OOR30G

Squares and roots of 21083803648

• 21083803648 squared (21083803648²) is 444526776267418107904
• 21083803648 cubed (21083803648³) is 9372315267100669726967612833792
• The square root of 21083803648 is 145202.6296180617
• The cube root of 21083803648 is 2762.5892721585

Scales and comparisons

• 21,083,803,648 seconds is equal to 670 years, 20 weeks, 5 days, 12 hours, 7 minutes, 28 seconds.
• To count from 1 to 21,083,803,648 would take you about one thousand, three hundred forty 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 21083803648 cubic inches would be around 230.2 feet tall.

Recreational maths with 21083803648

• 21083803648 backwards is 84630838012
• The number of decimal digits it has is: 11
• The sum of 21083803648's digits is 43
• More coming soon!