21392590128

Names of 21392590128

• Cardinal: 21392590128 can be written as Twenty-one billion, three hundred ninety-two million, five hundred ninety thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1392590128 × 10¹⁰

Factors of 21392590128

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 428

Divisors of 21392590128

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 43 48 49 52 53 56 78 84 86 91 98 104 106 112 129 147 156 159 168 172 182 196 208 212 258 273 294 301 307 312 318 336 344 364 371 392 424 516 546 559 588 602 614 624 636 637 688 689 728 742 784 848 903 921 1032 1092 1113 1118 1176 1204 1228 1272 1274 1378 1456 1484 1677 1806 1842 1911 2064 2067 2107 2149 2184 2226 2236 2279 2352 2408 2456 2544 2548 2597 2756 2968 3354 3612 3684 3822 3913 3991 4134 4214 4298 4368 4452 4472 4558 4816 4823 4912 5096 5194 5512 5936 6321 6447 6708 6837 7224 7368 7644 7791 7826 7982 8268 8428 8596 8904 8944 9116 9646 10192 10388 11024 11739 11973 12642 12894 13201 13416 13674 14448 14469 14736 15043 15288 15582 15652 15953 15964 16271 16536 16856 17192 17808 18232 19292 20776 23478 23946 25284 25788 26402 26832 27348 27391 27937 28938 29627 30086 30576 31164 31304 31906 31928 32542 33072 33712 33761 34384 36464 38584 39603 41552 45129 46956 47859 47892 48813 50568 51576 52804 54696 54782 55874 57876 59254 60172 62328 62608 63812 63856 65084 67522 77168 79206 82173 83811 88881 90258 92407 93912 95718 95784 97626 101136 101283 103152 105608 109392 109564 111671 111748 113897 115752 118508 120344 124656 127624 130168 135044 158412 164346 167622 171613 177762 180516 184814 187824 191436 191568 195252 195559 202566 207389 211216 211523 219128 223342 223496 227794 231504 237016 240688 255248 260336 270088 277221 316824 328692 335013 335244 341691 343226 355524 361032 369628 382872 390504 391118 405132 414778 423046 438256 446684 446992 455588 474032 514839 540176 554442 586677 622167 633648 634569 646849 657384 670026 670488 683382 686452 699653 711048 722064 739256 765744 781008 782236 797279 810264 829556 846092 893368 911176 1029678 1108884 1173354 1201291 1244334 1269138 1293698 1314768 1340052 1340976 1366764 1372904 1399306 1422096 1451723 1478512 1480661 1564472 1594558 1620528 1659112 1692184 1786736 1822352 1940547 2059356 2098959 2217768 2346708 2391837 2402582 2488668 2538276 2587396 2680104 2733528 2745808 2798612 2903446 2961322 3128944 3189116 3318224 3384368 3603873 3881094 4118712 4197918 4355169 4435536 4441983 4693416 4783674 4805164 4897571 4977336 5076552 5174792 5360208 5467056 5597224 5806892 5922644 6378232 7207746 7762188 8237424 8395836 8409037 8710338 8883966 9095489 9386832 9567348 9610328 9795142 9954672 10153104 10349584 10364627 11194448 11613784 11845288 12756464 14415492 14692713 15524376 16791672 16818074 17420676 17767932 18190978 19134696 19220656 19590284 20729254 23227568 23690576 25227111 27286467 28830984 29385426 31048752 31093881 33583344 33636148 34282997 34841352 35535864 36381956 38269392 39180568 41458508 50454222 54572934 57661968 58770852 62187762 63668423 67272296 68565994 69682704 71071728 72763912 78361136 82917016 100908444 102848991 109145868 117541704 124375524 127336846 134544592 137131988 145527824 165834032 191005269 201816888 205697982 218291736 235083408 248751048 254673692 274263976 382010538 403633776 411395964 436583472 445678961 497502096 509347384 548527952 764021076 822791928 891357922 1018694768 1337036883 1528042152 1645583856 1782715844 2674073766 3056084304 3565431688 5348147532 7130863376 10696295064 21392590128
• Sum of all divisors σ(n): 72413865216
• Sum of proper divisors (its aliquot sum) s(n): 51021275088
• 21392590128 is an abundant number, because the sum of its proper divisors (51021275088) is greater than itself. Its abundance is 29628684960

Bases of 21392590128

• Binary: 10011111011000110010000010100110000₂
• Hexadecimal: 0x4FB190530
• Base-36: 9TSLG6O

Squares and roots of 21392590128

• 21392590128 squared (21392590128²) is 457642912384603056384
• 21392590128 cubed (21392590128³) is 9790167249628028283198985777152
• The square root of 21392590128 is 146262.0597694427
• The cube root of 21392590128 is 2776.0106213969

Scales and comparisons

• 21,392,590,128 seconds is equal to 680 years, 11 weeks, 2 days, 10 hours, 8 minutes, 48 seconds.
• To count from 1 to 21,392,590,128 would take you about one thousand, three hundred sixty 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 21392590128 cubic inches would be around 231.3 feet tall.

Recreational maths with 21392590128

• 21392590128 backwards is 82109529312
• 21392590128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21392590128's digits is 42
• More coming soon!