21621389128950

Names of 21621389128950

• Cardinal: 21621389128950 can be written as Twenty-one trillion, six hundred twenty-one billion, three hundred eighty-nine million, one hundred twenty-eight thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 2.162138912895 × 10¹³

Factors of 21621389128950

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8188

Divisors of 21621389128950

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 10 13 15 17 25 26 30 31 34 37 39 50 51 62 65 71 74 75 78 85 93 102 111 130 142 150 155 170 185 186 195 213 221 222 255 310 325 355 370 390 403 425 426 442 465 481 510 527 555 629 650 663 710 775 806 850 923 925 930 962 975 1054 1065 1105 1110 1147 1207 1209 1258 1275 1326 1443 1550 1581 1775 1846 1850 1887 1950 2015 2130 2201 2210 2294 2325 2405 2414 2418 2550 2627 2635 2769 2775 2886 3145 3162 3315 3441 3550 3621 3774 4030 4402 4615 4650 4810 5254 5270 5325 5525 5538 5550 5735 6035 6045 6290 6603 6630 6851 6882 7215 7242 7881 7905 8009 8177 9230 9435 10075 10650 11005 11050 11470 12025 12070 12090 13135 13175 13206 13702 13845 14430 14911 15691 15725 15762 15810 16018 16354 16575 17205 18105 18870 19499 20150 20553 22010 23075 24027 24050 24531 26270 26350 27690 28613 28675 29822 30175 30225 31382 31450 33015 33150 34151 34255 34410 36075 36210 37417 38998 39405 39525 40045 40885 41106 44659 44733 46150 47073 47175 48054 49062 55025 57226 57350 58497 60350 60450 65675 66030 68302 68510 69225 72150 74555 74834 78455 78810 79050 80090 81437 81770 85839 86025 89318 89466 90525 94146 94350 97495 102453 102765 104117 110050 112251 116994 120135 122655 131350 133977 136153 138450 143065 149110 156910 162874 165075 170755 171275 171678 172050 181050 187085 194990 197025 200225 204425 204906 205530 208234 223295 223665 224502 235365 240270 244311 245310 248279 253487 267954 272306 286130 292485 296333 312351 330150 341510 342550 372775 374170 392275 394050 400450 407185 408459 408850 429195 446590 447330 470730 486421 487475 488622 496558 506974 512265 513825 520585 561255 568639 580567 584970 592666 600675 613275 624702 669885 680765 715325 744837 745550 760461 784550 814370 816918 853775 858390 888999 935425 972842 974950 1024530 1027650 1041170 1058681 1116475 1118325 1122510 1137278 1161134 1176825 1201350 1221555 1226550 1241395 1267435 1339770 1361530 1384429 1430650 1459263 1462425 1481665 1489674 1520922 1561755 1705917 1707550 1741701 1769989 1777998 1870850 2035925 2042295 2117362 2145975 2232950 2236650 2353650 2432105 2443110 2482790 2534870 2561325 2602925 2768858 2806275 2843195 2902835 2918526 2924850 2963330 3123510 3176043 3227627 3349425 3403825 3411834 3483402 3539978 3724185 3802305 3852329 4071850 4084590 4153287 4220743 4291950 4444995 4864210 5037661 5122650 5205850 5293405 5309967 5612550 5686390 5805670 6107775 6206975 6337175 6352086 6455254 6698850 6807650 6922145 7296315 7392307 7408325 7448370 7604610 7704658 7808775 8306574 8441486 8529585 8708505 8849945 8889990 9186323 9666863 9682881 10075322 10211475 10586810 10619934 11556987 12160525 12215550 12413950 12662229 12674350 13844290 14215975 14514175 14592630 14784614 14816650 15112983 15617550 15880215 16138135 17059170 17417010 17627809 17699890 17997577 18372646 18620925 19011525 19261645 19333726 19365762 20422950 20766435 21039643 21103715 22176921 22224975 23113974 24321050 25188305 25324458 26467025 26549835 27558969 28431950 29000589 29028350 30225966 31760430 32276270 34610725 35255618 35995154 36481575 36961535 37241850 38023050 38523290 41532870 42079286 42207430 42647925 43542525 44249725 44353842 44449950 45931615 48334315 48414405 50376610 52883427 52934050 53099670 53992731 54869659 55117938 57784935 58001178 63118929 63311145 65489593 69221450 72963150 73923070 75564915 79401075 80690675 85295850 87085050 88139045 88499450 89987885 91863230 96308225 96668630 96828810 103832175 105198215 105518575 105766854 107985462 109739318 110884605 115569870 119422199 125669219 125941525 126237858 126622290 130979186 132749175 137794845 145002945 151129830 156167491 158802150 161381350 164608977 176278090 179975770 184807675 192616450 196468779 207664350 210396430 211037150 221769210 229161517 229658075 238844398 241671575 242072025 251338438 251883050 264417135 265498350 269963655 273515359 274348295 275589690 288924675 290005890 299672753 312334982 315594645 316555725 327447965 329217954 357673931 358266597 369615350 377007657 377824575 392937558 440695225 449939425 458323034 459316150 468502473 483343150 484144050 525991075 528834270 539927310 547030718 548696590 554423025 577849350 597110995 599345506 628346095 631189290 633111450 652228933 654895930 687484551 688974225 715347862 716533194 725014725 754015314 755649150 780837455 820546077 823044885 881390450 899018259 899878850 937004946 982343895 1051982150 1073021793 1108846050 1145807585 1194221990 1256692190 1304457866 1322085675 1349818275 1367576795 1371741475 1374969102 1377948450 1450029450 1498363765 1561674910 1577973225 1637239825 1641092154 1646089770 1788369655 1791332985 1798036518 1885038285 1956686799 1964687790 2030177383 2146043586 2291615170 2342512365 2644171350 2699636550 2735153590 2743482950 2985554975 2996727530 3141730475 3155946450 3261144665 3274479650 3437422755 3576739310 3582665970 3770076570 3895745789 3904187275 3913373598 4060354766 4102730385 4115224425 4495091295 4649761103 4685024730 4911719475 5365108965 5729037925 5971109950 6090532149 6283460950 6522289330 6837883975 6874845510 7491818825 7791491578 7808374550 8205460770 8230448850 8478976129 8941848275 8956664925 8990182590 9299522206 9425191425 9783433995 9823438950 10150886915 10730217930 11087891861 11458075850 11687237367 11712561825 12181064298 13675767950 13949283309 14983637650 16305723325 16957952258 17187113775 17883696550 17913329850 18850382850 19478728945 19566867990 20301773830 20513651925 22175783722 22475456475 23248805515 23374474734 23425123650 25436928387 26825544825 27898566618 30452660745 32611446650 33263675583 34374227550 38957457890 41027303850 42394880645 44950912950 46497611030 48917169975 50754434575 50873856774 53651089650 55439459305 58436186835 60905321490 66527351166 69746416545 84789761290 97393644725 97834339950 101508869150 110878918610 116244027575 116872373670 127184641935 139492833090 144142594193 152263303725 166318377915 194787289450 211974403225 232488055150 254369283870 277197296525 288285188386 292180934175 304526607450 332636755830 348732082725 423948806450 432427782579 554394593050 584361868350 635923209675 697464165450 720712970965 831591889575 864855565158 1271846419350 1441425941930 1663183779150 2162138912895 3603564854825 4324277825790 7207129709650 10810694564475 21621389128950
• Sum of all divisors σ(n): 65741872250880
• Sum of proper divisors (its aliquot sum) s(n): 44120483121930
• 21621389128950 is an abundant number, because the sum of its proper divisors (44120483121930) is greater than itself. Its abundance is 22499093992980

Bases of 21621389128950

• Binary: 100111010101000011111001101111111010011110110₂
• Hexadecimal: 0x13AA1F37F4F6
• Base-36: 7NWQ8U86U

Squares and roots of 21621389128950

• 21621389128950 squared (21621389128950²) is 467484467865477239728102500
• 21621389128950 cubed (21621389128950³) is 10107663591459605202060848447311317375000
• The square root of 21621389128950 is 4649880.5499657731
• The cube root of 21621389128950 is 27858.7225192697

Scales and comparisons

• 21,621,389,128,950 seconds is equal to 687,493 years, 15 weeks, 2 days, 8 hours, 42 minutes, 30 seconds.
• To count from 1 to 21,621,389,128,950 would take you about one million, seven hundred eighteen thousand, seven hundred thirty-three 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 21621389128950 cubic inches would be around 2321.6 feet tall.

Recreational maths with 21621389128950

• 21621389128950 backwards is 05982198312612
• The number of decimal digits it has is: 14
• The sum of 21621389128950's digits is 57
• More coming soon!