21335857920

Names of 21335857920

• Cardinal: 21335857920 can be written as Twenty-one billion, three hundred thirty-five million, eight hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.133585792 × 10¹⁰

Factors of 21335857920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 304

Divisors of 21335857920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 90 96 104 108 117 120 128 130 135 144 156 160 169 180 192 195 208 216 234 240 256 260 270 281 288 312 320 338 351 360 384 390 416 432 468 480 507 520 540 562 576 585 624 640 676 702 720 768 780 832 843 845 864 936 960 1014 1040 1080 1124 1152 1170 1248 1280 1352 1404 1405 1440 1521 1560 1664 1686 1690 1728 1755 1872 1920 2028 2080 2160 2197 2248 2304 2340 2496 2529 2535 2704 2808 2810 2880 3042 3120 3328 3372 3380 3456 3510 3653 3744 3840 4056 4160 4215 4320 4394 4496 4563 4680 4992 5058 5070 5408 5616 5620 5760 6084 6240 6591 6744 6760 6912 7020 7306 7488 7587 7605 8112 8320 8430 8640 8788 8992 9126 9360 9984 10116 10140 10816 10959 10985 11232 11240 11520 12168 12480 12645 13182 13488 13520 14040 14612 14976 15174 15210 16224 16640 16860 17280 17576 17984 18252 18265 18720 19773 20232 20280 21632 21918 21970 22464 22480 22815 24336 24960 25290 26364 26976 27040 28080 29224 29952 30348 30420 32448 32877 32955 33720 34560 35152 35968 36504 36530 37440 37935 39546 40464 40560 43264 43836 43940 44928 44960 45630 47489 48672 49920 50580 52728 53952 54080 54795 56160 58448 59319 60696 60840 64896 65754 65910 67440 70304 71936 73008 73060 74880 75870 79092 80928 81120 87672 87880 89856 89920 91260 94978 97344 98631 98865 101160 105456 107904 108160 109590 112320 116896 118638 121392 121680 129792 131508 131820 134880 140608 142467 146016 146120 149760 151740 158184 161856 162240 164385 175344 175760 179840 182520 189956 194688 197262 197730 202320 210912 215808 216320 219180 224640 233792 237276 237445 242784 243360 263016 263640 269760 281216 284934 292032 292240 296595 303480 316368 323712 324480 328770 350688 351520 359680 365040 379912 389376 394524 395460 404640 421824 427401 438360 449280 467584 474552 474890 485568 486720 493155 526032 527280 539520 562432 569868 584064 584480 593190 606960 617357 632736 647424 648960 657540 701376 703040 712335 730080 759824 789048 790920 809280 843648 854802 876720 935168 949104 949780 971136 973440 986310 1052064 1054560 1079040 1139736 1168128 1168960 1186380 1213920 1234714 1265472 1282203 1315080 1402752 1406080 1424670 1460160 1519648 1578096 1581840 1618560 1687296 1709604 1753440 1852071 1898208 1899560 1942272 1946880 1972620 2104128 2109120 2137005 2279472 2337920 2372760 2427840 2469428 2530944 2564406 2630160 2805504 2812160 2849340 2920320 3039296 3086785 3156192 3163680 3237120 3419208 3506880 3704142 3796416 3799120 3945240 4208256 4218240 4274010 4558944 4675840 4745520 4855680 4938856 5061888 5128812 5260320 5556213 5698680 5840640 6078592 6173570 6312384 6327360 6411015 6838416 7013760 7408284 7592832 7598240 7890480 8416512 8436480 8548020 9117888 9260355 9491040 9711360 9877712 10257624 10520640 11112426 11397360 12157184 12347140 12624768 12654720 12822030 13676832 14027520 14816568 15185664 15196480 15780960 16668639 17096040 18235776 18520710 18982080 19755424 20515248 21041280 22224852 22794720 24694280 25249536 25309440 25644060 27353664 27781065 29633136 30392960 31561920 33337278 34192080 36471552 37041420 37964160 39510848 41030496 42082560 44449704 45589440 49388560 51288120 54707328 55562130 59266272 60785920 63123840 66674556 68384160 74082840 75928320 79021696 82060992 83343195 88899408 91178880 98777120 102576240 109414656 111124260 118532544 126247680 133349112 136768320 148165680 158043392 164121984 166686390 177798816 182357760 197554240 205152480 222248520 237065088 266698224 273536640 296331360 328243968 333372780 355597632 395108480 410304960 444497040 474130176 533396448 547073280 592662720 666745560 711195264 790216960 820609920 888994080 1066792896 1185325440 1333491120 1422390528 1641219840 1777988160 2133585792 2370650880 2666982240 3555976320 4267171584 5333964480 7111952640 10667928960 21335857920
• Sum of all divisors σ(n): 82311062400
• Sum of proper divisors (its aliquot sum) s(n): 60975204480
• 21335857920 is an abundant number, because the sum of its proper divisors (60975204480) is greater than itself. Its abundance is 39639346560

Bases of 21335857920

• Binary: 10011110111101101110101101100000000₂
• Hexadecimal: 0x4F7B75B00
• Base-36: 9SUTHC0

Squares and roots of 21335857920

• 21335857920 squared (21335857920²) is 455218833182426726400
• 21335857920 cubed (21335857920³) is 9712484347288438075281113088000
• The square root of 21335857920 is 146067.9907440367
• The cube root of 21335857920 is 2773.5544962515

Scales and comparisons

• 21,335,857,920 seconds is equal to 678 years, 21 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 21,335,857,920 would take you about one thousand, three hundred fifty-six 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 21335857920 cubic inches would be around 231.1 feet tall.

Recreational maths with 21335857920

• 21335857920 backwards is 02975853312
• 21335857920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21335857920's digits is 45
• More coming soon!