21137521289808

Names of 21137521289808

• Cardinal: 21137521289808 can be written as Twenty-one trillion, one hundred thirty-seven billion, five hundred twenty-one million, two hundred eighty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.1137521289808 × 10¹³

Factors of 21137521289808

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10581

Divisors of 21137521289808

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 37 42 44 48 56 66 74 77 84 88 101 111 112 132 148 149 154 168 176 202 222 231 259 264 296 298 303 308 336 404 407 444 447 462 518 528 592 596 606 616 707 777 808 814 888 894 924 1036 1043 1111 1192 1212 1221 1232 1414 1554 1616 1628 1639 1776 1788 1848 2072 2086 2121 2222 2384 2424 2442 2828 2849 3108 3129 3256 3278 3333 3576 3696 3737 4144 4172 4242 4444 4848 4884 4917 5513 5656 5698 6216 6258 6512 6556 6666 7152 7474 7777 8344 8484 8547 8888 9768 9834 10271 11026 11211 11312 11396 11473 12432 12516 13112 13332 14948 15049 15554 16539 16688 16968 17094 17776 19536 19668 20542 22052 22422 22792 22946 23331 25032 26159 26224 26664 29896 30098 30813 31108 33078 33936 34188 34419 38591 39336 41084 41107 44104 44844 45147 45584 45892 46662 50064 52318 53328 59792 60196 60643 61626 62216 66156 68376 68838 71897 77182 78477 78672 82168 82214 88208 89688 90294 91784 93324 104636 105343 112981 115773 120392 121286 123252 123321 124432 132312 136752 137676 143794 154364 156954 164336 164428 165539 179376 180588 181929 183568 186648 209272 210686 215691 225962 231546 240784 242572 246504 246642 264624 275352 287588 287749 308728 313908 316029 328856 331078 338943 361176 363858 373296 380027 418544 421372 424501 431382 451924 463092 485144 493008 493284 496617 550704 556813 575176 575498 617456 627816 632058 657712 662156 677886 722352 727716 760054 790867 842744 849002 862764 863247 903848 926184 970288 986568 993234 1037371 1113626 1140081 1150352 1150996 1158773 1255632 1264116 1273503 1324312 1355772 1455432 1520108 1530379 1581734 1670439 1685488 1698004 1725528 1726494 1807696 1852368 1973136 1986468 2074742 2227252 2280162 2301992 2317546 2372601 2528232 2547006 2648624 2660189 2711544 2910864 3040216 3060758 3112113 3163468 3340878 3396008 3451056 3452988 3476319 3897691 3972936 4149484 4180297 4454504 4560324 4591137 4603984 4635092 4745202 5056464 5094012 5320378 5423088 6080432 6121516 6124943 6224226 6326936 6681756 6792016 6905976 6952638 7261597 7795382 7945872 7980567 8298968 8360594 8909008 9120648 9182274 9270184 9490404 10188024 10640756 10712653 11411081 11693073 12243032 12249886 12448452 12540891 12653872 13363512 13811952 13905276 14523194 15590764 15961134 16597936 16721188 16834169 18241296 18364548 18374829 18540368 18980808 20376048 21281512 21425306 21784791 22822162 23386146 24486064 24499772 24896904 25081782 26727024 27810552 29046388 29262079 31181528 31922268 32137959 33442376 33668338 34233243 36729096 36749658 37961616 38382727 42563024 42850612 42874601 43569582 45644324 46772292 48999544 49793808 50163564 50502507 55621104 56624023 58092776 58524158 62363056 63844536 64275918 66884752 67336676 68466486 73458192 73499316 76765454 79877567 85701224 85749202 87139164 87786237 91288648 93544584 97999088 100327128 101005014 113248046 115148181 116185552 117048316 117839183 127689072 128551836 128623803 134673352 136932972 146998632 153530908 154568279 159755134 169872069 171402448 171498404 174278328 175572474 182577296 187089168 200654256 202010028 226496092 230296362 234096632 235678366 239632701 257103672 257247606 268679089 269346704 273865944 293997264 307061816 309136558 319510268 339744138 342996808 348556656 351144948 353517549 396368161 404020056 422209997 452992184 460592724 463704837 468193264 471356732 479265402 514207344 514495212 537358178 547731888 614123632 618273116 622864253 639020536 679488276 685993616 702289896 707035098 792736322 806037267 808040112 844419994 905984368 921185448 927409674 942713464 958530804 1028990424 1074716356 1081977953 1189104483 1236546232 1245728506 1266629991 1278041072 1358976552 1404579792 1414070196 1585472644 1612074534 1688839988 1700251069 1842370896 1854819348 1868592759 1885426928 1917061608 2057980848 2149432712 2163955906 2378208966 2473092464 2491457012 2533259982 2717953104 2828140392 2955469979 3170945288 3224149068 3245933859 3377679976 3400502138 3709638696 3737185518 3834123216 4298865424 4327911812 4360049771 4756417932 4982914024 5066519964 5100753207 5656280784 5719026323 5910939958 6341890576 6448298136 6491867718 6755359952 6801004276 7419277392 7474371036 8655823624 8720099542 8866409937 9512835864 9965828048 10133039928 10201506414 11438052646 11821879916 11901757483 12896596272 12983735436 13080149313 13602008552 14948742072 17157078969 17311647248 17440199084 17732819874 19025671728 20266079856 20403012828 22876105292 23643759832 23803514966 25967470872 26160298626 27204017104 29897484144 34314157938 34880398168 35465639748 35705272449 40033184261 40806025656 45752210584 47287519664 47607029932 51934941744 52320597252 62909289553 68628315876 69760796336 70931279496 71410544898 80066368522 81612051312 91504421168 95214059864 104641194504 120099552783 125818579106 137256631752 141862558992 142821089796 160132737044 188727868659 190428119728 209282389008 240199105566 251637158212 274513263504 285642179592 320265474088 377455737318 440365026871 480398211132 503274316424 571284359184 640530948176 754911474636 880730053742 960796422264 1006548632848 1321095080613 1509822949272 1761460107484 1921592844528 2642190161226 3019645898544 3522920214968 5284380322452 7045840429936 10568760644904 21137521289808
• Sum of all divisors σ(n): 71092364083200
• Sum of proper divisors (its aliquot sum) s(n): 49954842793392
• 21137521289808 is an abundant number, because the sum of its proper divisors (49954842793392) is greater than itself. Its abundance is 28817321503584

Bases of 21137521289808

• Binary: 100110011100101110110011100101010101001010000₂
• Hexadecimal: 0x13397672AA50
• Base-36: 7HQFYF61C

Squares and roots of 21137521289808

• 21137521289808 squared (21137521289808²) is 446794806277086455924676864
• 21137521289808 cubed (21137521289808³) is 9444134729857555998473303249632896602112
• The square root of 21137521289808 is 4597556.0126884805
• The cube root of 21137521289808 is 27649.3347168089

Scales and comparisons

• 21,137,521,289,808 seconds is equal to 672,107 years, 41 weeks, 2 days, 3 hours, 36 minutes, 48 seconds.
• To count from 1 to 21,137,521,289,808 would take you about one million, six hundred eighty thousand, two hundred sixty-nine 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 21137521289808 cubic inches would be around 2304.1 feet tall.

Recreational maths with 21137521289808

• 21137521289808 backwards is 80898212573112
• The number of decimal digits it has is: 14
• The sum of 21137521289808's digits is 57
• More coming soon!