21403926648

Names of 21403926648

• Cardinal: 21403926648 can be written as Twenty-one billion, four hundred three million, nine hundred twenty-six thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1403926648 × 10¹⁰

Factors of 21403926648

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1695

Divisors of 21403926648

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 37 39 43 52 54 72 74 78 81 86 104 108 111 117 129 148 156 162 172 216 222 234 258 296 312 324 333 344 351 387 444 468 481 516 559 648 666 702 774 888 936 962 999 1032 1053 1118 1161 1332 1404 1443 1548 1591 1597 1677 1924 1998 2106 2236 2322 2664 2808 2886 2997 3096 3182 3194 3354 3483 3848 3996 4212 4329 4472 4644 4773 4791 5031 5772 5994 6364 6388 6708 6966 7992 8424 8658 9288 9546 9582 10062 11544 11988 12728 12776 12987 13416 13932 14319 14373 15093 17316 19092 19164 20124 20683 20761 23976 25974 27864 28638 28746 30186 34632 38184 38328 38961 40248 41366 41522 42957 43119 45279 51948 57276 57492 59089 60372 62049 62283 68671 77922 82732 83044 85914 86238 90558 103896 114552 114984 118178 120744 124098 124566 128871 129357 137342 155844 165464 166088 171828 172476 177267 181116 186147 186849 206013 236356 248196 249132 257742 258714 274684 311688 343656 344952 354534 362232 372294 373698 412026 472712 496392 498264 515484 517428 531801 549368 558441 560547 618039 709068 744588 747396 768157 824052 892723 1030968 1034856 1063602 1116882 1121094 1236078 1418136 1489176 1494792 1536314 1595403 1648104 1675323 1681641 1785446 1854117 2127204 2233764 2242188 2304471 2472156 2540827 2678169 3072628 3190806 3350646 3363282 3570892 3708234 4254408 4467528 4484376 4608942 4786209 4944312 5081654 5356338 5562351 6145256 6381612 6701292 6726564 6913413 7141784 7416468 7622481 8034507 9217884 9572418 10163308 10712676 11124702 12763224 13402584 13453128 13826826 14832936 15244962 16069014 18435768 19144836 20326616 20740239 21425352 22249404 22867443 24103521 27653652 30489924 32138028 33030751 38289672 41480478 44498808 45734886 48207042 55307304 60979848 62220717 64276056 66061502 68602329 72310563 82960956 91469772 96414084 99092253 124441434 132123004 137204658 144621126 165921912 182939544 192828168 198184506 205806987 248882868 264246008 274409316 289242252 297276759 396369012 411613974 497765736 548818632 578484504 594553518 792738024 823227948 891830277 1189107036 1646455896 1783660554 2378214072 2675490831 3567321108 5350981662 7134642216 10701963324 21403926648
• Sum of all divisors σ(n): 67891860960
• Sum of proper divisors (its aliquot sum) s(n): 46487934312
• 21403926648 is an abundant number, because the sum of its proper divisors (46487934312) is greater than itself. Its abundance is 25084007664

Bases of 21403926648

• Binary: 10011111011110001100000000001111000₂
• Hexadecimal: 0x4FBC60078
• Base-36: 9TZCFI0

Squares and roots of 21403926648

• 21403926648 squared (21403926648²) is 458128075952964515904
• 21403926648 cubed (21403926648³) is 9805739733086625196556045409792
• The square root of 21403926648 is 146300.8087742511
• The cube root of 21403926648 is 2776.5008961819

Scales and comparisons

• 21,403,926,648 seconds is equal to 680 years, 30 weeks, 15 hours, 10 minutes, 48 seconds.
• To count from 1 to 21,403,926,648 would take you about one thousand, three hundred sixty-one 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 21403926648 cubic inches would be around 231.4 feet tall.

Recreational maths with 21403926648

• 21403926648 backwards is 84662930412
• The number of decimal digits it has is: 11
• The sum of 21403926648's digits is 45
• More coming soon!