21357796320

Names of 21357796320

• Cardinal: 21357796320 can be written as Twenty-one billion, three hundred fifty-seven million, seven hundred ninety-six thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.135779632 × 10¹⁰

Factors of 21357796320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5476

Divisors of 21357796320

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 23 24 28 30 32 34 35 36 40 42 45 46 48 51 56 60 63 68 69 70 72 80 84 85 90 92 96 102 105 112 115 119 120 126 136 138 140 144 153 160 161 168 170 180 184 204 207 210 224 230 238 240 252 255 272 276 280 288 306 315 322 336 340 345 357 360 368 391 408 414 420 460 476 480 483 504 510 544 552 560 595 612 630 644 672 680 690 714 720 736 765 782 805 816 828 840 920 952 966 1008 1020 1035 1071 1104 1120 1173 1190 1224 1260 1288 1360 1380 1428 1440 1449 1530 1564 1610 1632 1656 1680 1785 1840 1904 1932 1955 2016 2040 2070 2142 2208 2346 2380 2415 2448 2520 2576 2720 2737 2760 2856 2898 3060 3128 3220 3312 3360 3519 3570 3680 3808 3864 3910 4080 4140 4284 4692 4760 4830 4896 5040 5152 5355 5419 5474 5520 5712 5796 5865 6120 6256 6440 6624 7038 7140 7245 7728 7820 8160 8211 8280 8568 9384 9520 9660 10080 10710 10838 10948 11040 11424 11592 11730 12240 12512 12880 13685 14076 14280 14490 15456 15640 16257 16422 16560 17136 17595 18768 19040 19320 21420 21676 21896 23184 23460 24480 24633 25760 27095 27370 28152 28560 28980 31280 32514 32844 33120 34272 35190 37536 37933 38640 41055 42840 43352 43792 46368 46920 48771 49266 54190 54740 56304 57120 57960 62560 65028 65688 70380 75866 77280 81285 82110 85680 86704 87584 92123 93840 97542 98532 108380 109480 112608 113799 115920 123165 124637 130056 131376 140760 151732 162570 164220 171360 173408 184246 187680 189665 195084 197064 216760 218960 227598 231840 243855 246330 249274 260112 262752 276369 281520 303464 325140 328440 341397 368492 373911 379330 390168 394128 433520 437920 455196 460615 487710 492660 498548 520224 552738 563040 568995 606928 623185 644861 650280 656880 682794 736984 747822 758660 780336 788256 829107 867040 872459 910392 921230 975420 985320 997096 1105476 1121733 1137990 1213856 1246370 1289722 1300560 1313760 1365588 1381845 1473968 1495644 1517320 1560672 1658214 1706985 1744918 1820784 1842460 1869555 1934583 1950840 1970640 1994192 2118829 2210952 2243466 2275980 2492740 2579444 2601120 2617377 2731176 2763690 2947936 2991288 3034640 3224305 3316428 3413970 3489836 3641568 3684920 3739110 3869166 3901680 3941280 3988384 4145535 4237658 4362295 4421904 4486932 4551960 4985480 5158888 5234754 5462352 5527380 5608665 5803749 5982576 6069280 6356487 6448610 6632856 6827940 6979672 7369840 7478220 7738332 7803360 7852131 8291070 8475316 8724590 8843808 8973864 9103920 9672915 9970960 10317776 10469508 10594145 10924704 11054760 11217330 11607498 11965152 12712974 12897220 13086885 13265712 13655880 13959344 14739680 14831803 14956440 15476664 15704262 16582140 16950632 17449180 17947728 18207840 19069461 19345830 19941920 20635552 20939016 21188290 22109520 22434660 23214996 25425948 25794440 26173770 26531424 27311760 27918688 29018745 29663606 29912880 30953328 31408524 31782435 33164280 33901264 34898360 35895456 38138922 38691660 39260655 41878032 42376580 44219040 44495409 44869320 46429992 50851896 51588880 52347540 54623520 58037490 59327212 59825760 61906656 62817048 63564870 66328560 67802528 69796720 74159015 76277844 77383320 78521310 83756064 84753160 88990818 89738640 92859984 95347305 101703792 103177760 104695080 116074980 118654424 125634096 127129740 132657120 133486227 139593440 148318030 152555688 154766640 157042620 169506320 177981636 179477280 185719968 190694610 203407584 209390160 222477045 232149960 237308848 251268192 254259480 266972454 296636060 305111376 309533280 314085240 339012640 355963272 381389220 418780320 444954090 464299920 474617696 508518960 533944908 593272120 610222752 628170480 667431135 711926544 762778440 889908180 928599840 1017037920 1067889816 1186544240 1256340960 1334862270 1423853088 1525556880 1779816360 2135779632 2373088480 2669724540 3051113760 3559632720 4271559264 5339449080 7119265440 10678898160 21357796320
• Sum of all divisors σ(n): 92046689280
• Sum of proper divisors (its aliquot sum) s(n): 70688892960
• 21357796320 is an abundant number, because the sum of its proper divisors (70688892960) is greater than itself. Its abundance is 49331096640

Bases of 21357796320

• Binary: 10011111001000001100001101111100000₂
• Hexadecimal: 0x4F9061BE0
• Base-36: 9T7VP40

Squares and roots of 21357796320

• 21357796320 squared (21357796320²) is 456155463646605542400
• 21357796320 cubed (21357796320³) is 9742475482819365633962323968000
• The square root of 21357796320 is 146143.0679847663
• The cube root of 21357796320 is 2774.5047979275

Scales and comparisons

• 21,357,796,320 seconds is equal to 679 years, 5 weeks, 5 days, 17 hours, 12 minutes.
• To count from 1 to 21,357,796,320 would take you about one thousand, three hundred fifty-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 21357796320 cubic inches would be around 231.2 feet tall.

Recreational maths with 21357796320

• 21357796320 backwards is 02369775312
• 21357796320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21357796320's digits is 45
• More coming soon!