21402237640848

Names of 21402237640848

• Cardinal: 21402237640848 can be written as Twenty-one trillion, four hundred two billion, two hundred thirty-seven million, six hundred forty thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1402237640848 × 10¹³

Factors of 21402237640848

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2261

Divisors of 21402237640848

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 29 31 34 48 51 58 61 62 68 87 93 102 116 122 124 136 174 183 186 204 232 244 248 257 272 348 366 372 408 464 488 493 496 514 527 696 732 744 771 816 899 976 986 1028 1037 1054 1392 1464 1479 1488 1542 1581 1769 1798 1861 1891 1972 2056 2074 2108 2697 2928 2958 3084 3111 3162 3538 3596 3722 3782 3944 4112 4148 4216 4369 5307 5394 5583 5673 5916 6168 6222 6324 7076 7192 7444 7453 7564 7888 7967 8296 8432 8738 10614 10788 11166 11346 11832 12336 12444 12648 13107 14152 14384 14888 14906 15128 15283 15677 15934 16592 17476 21228 21576 22332 22359 22692 23664 23901 24888 25296 26214 28304 29776 29812 30073 30256 30566 31354 31637 31868 32147 34952 42456 43152 44664 44718 45384 45849 47031 47802 49776 52428 53969 54839 57691 59624 60146 61132 62708 63274 63736 64294 69904 84912 89328 89436 90219 90768 91698 94062 94911 95604 96441 104856 107938 109678 113521 115382 119248 120292 122264 125416 126548 126701 127472 128588 135439 161907 164517 173073 178872 180438 183396 188124 189822 191208 192882 209712 215876 219356 227042 230764 231043 240584 244528 250832 253096 253402 257176 266509 270878 323814 329034 340563 346146 357744 360876 366792 376248 379644 380103 382416 385764 406317 431752 438712 454084 454633 461528 462086 478277 481168 485987 506192 506804 514352 533018 541756 647628 658068 681126 692292 693129 721752 733584 752496 759288 760206 771528 799527 812634 863504 877424 908168 909266 917473 923056 924172 932263 956554 971974 980747 1013608 1066036 1083512 1295256 1316136 1362252 1363899 1384584 1386258 1434831 1443504 1457961 1518576 1520412 1543056 1599054 1625268 1673039 1816336 1818532 1834946 1848344 1864526 1913108 1929857 1943948 1961494 2027216 2132072 2167024 2590512 2632272 2724504 2727798 2752419 2769168 2772516 2796789 2869662 2915922 2942241 3040824 3198108 3250536 3292109 3346078 3519151 3637064 3669892 3696688 3729052 3826216 3859714 3887896 3922988 3927731 4264144 5019117 5449008 5455596 5504838 5545032 5593578 5739324 5789571 5831844 5884482 6081648 6396216 6501072 6584218 6692156 7038302 7274128 7339784 7458104 7652432 7719428 7728761 7775792 7845976 7855462 8130709 8261779 9876327 10038234 10557453 10911192 11009676 11090064 11187156 11478648 11579142 11663688 11768964 11783193 12792432 13168436 13384312 13870033 14076604 14093623 14679568 14826587 14916208 15438856 15457522 15691952 15710924 16261418 16523558 19752654 20076468 21114906 21822384 22019352 22374312 22957296 23158284 23186283 23327376 23537928 23566386 24392127 24785337 26336872 26768624 27740066 28153208 28187246 28441663 29174897 29653174 30877712 30915044 31421848 32522836 33047116 39505308 40152936 41610099 42229812 42280869 44038704 44479761 44748624 46316568 46372566 47075856 47132772 48784254 49570674 52673744 55480132 55965853 56306416 56374492 56883326 58349794 59306348 59825567 61830088 62843696 65045672 66094232 79010616 80305872 83220198 84459624 84561738 85324989 87524691 88959522 92633136 92745132 94265544 97568508 99141348 102055379 110960264 111931706 112748984 113766652 116699588 118612696 119651134 123660176 130091344 132188464 158021232 166440396 167897559 168919248 169123476 170649978 175049382 177919044 179476701 185490264 188531088 195137016 198282696 204110758 221920528 223863412 225497968 227533304 233399176 235790561 237225392 239302268 239591591 252051979 306166137 332880792 335795118 338246952 341299956 350098764 355838088 358953402 370980528 390274032 396565392 408221516 429971023 447726824 455066608 466798352 471581122 478604536 479183182 495973249 504103958 612332274 665761584 671590236 676493904 682599912 700197528 707371683 711676176 717906804 718774773 756155937 816443032 846072013 859942046 895453648 904421807 943162244 957209072 958366364 991946498 1008207916 1224664548 1289913069 1343180472 1365199824 1400395056 1414743366 1435813608 1437549546 1487919747 1512311874 1632886064 1692144026 1719884092 1734941443 1808843614 1886324488 1916732728 1983892996 2016415832 2449329096 2538216039 2579826138 2686360944 2713265421 2829486732 2871627216 2875099092 2975839494 3024623748 3384288052 3439768184 3469882886 3617687228 3772648976 3833465456 3967785992 4032831664 4898658192 5076432078 5159652276 5204824329 5426530842 5658973464 5750198184 5951678988 6049247496 6768576104 6879536368 6939765772 7235374456 7309507391 7935571984 10152864156 10319304552 10409648658 10853061684 11317946928 11500396368 11903357976 12098494992 13537152208 13879531544 14383224221 14470748912 14619014782 15375170719 20305728312 20638609104 20819297316 21706123368 21928522173 23806715952 26228232403 27759063088 28766448442 29238029564 30750341438 40611456624 41638594632 43149672663 43412246736 43857044346 46125512157 52456464806 57532896884 58476059128 61500682876 78684697209 83277189264 86299345326 87714088692 92251024314 104912929612 115065793768 116952118256 123001365752 157369394418 172598690652 175428177384 184502048628 209825859224 230131587536 246002731504 314738788836 345197381304 350856354768 369004097256 419651718448 445879950851 629477577672 690394762608 738008194512 891759901702 1258955155344 1337639852553 1783519803404 2675279705106 3567039606808 5350559410212 7134079213616 10701118820424 21402237640848
• Sum of all divisors σ(n): 63819955261440
• Sum of proper divisors (its aliquot sum) s(n): 42417717620592
• 21402237640848 is an abundant number, because the sum of its proper divisors (42417717620592) is greater than itself. Its abundance is 21015479979744

Bases of 21402237640848

• Binary: 100110111011100011000110001011010000010010000₂
• Hexadecimal: 0x137718C5A090
• Base-36: 7L41VP9QO

Squares and roots of 21402237640848

• 21402237640848 squared (21402237640848²) is 458055776035330964638159104
• 21402237640848 cubed (21402237640848³) is 9803418571471201639314278413950633480192
• The square root of 21402237640848 is 4626255.2502913195
• The cube root of 21402237640848 is 27764.2786202463

Scales and comparisons

• 21,402,237,640,848 seconds is equal to 680,524 years, 49 weeks, 4 days, 19 hours, 20 minutes, 48 seconds.
• To count from 1 to 21,402,237,640,848 would take you about one million, seven hundred one thousand, three hundred twelve 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 21402237640848 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21402237640848

• 21402237640848 backwards is 84804673220412
• 21402237640848 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21402237640848's digits is 51
• More coming soon!