21242440189620

Names of 21242440189620

• Cardinal: 21242440189620 can be written as Twenty-one trillion, two hundred forty-two billion, four hundred forty million, one hundred eighty-nine thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.124244018962 × 10¹³

Factors of 21242440189620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1837357

Divisors of 21242440189620

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 61 65 78 81 90 108 117 122 130 135 156 162 180 183 195 234 243 244 260 270 305 324 351 366 390 405 468 486 540 549 585 610 702 729 732 780 793 810 915 972 1053 1098 1170 1215 1220 1404 1458 1586 1620 1647 1755 1830 2106 2196 2340 2379 2430 2745 2916 3159 3172 3294 3510 3645 3660 3965 4212 4758 4860 4941 5265 5490 6318 6588 7020 7137 7290 7930 8235 9477 9516 9882 10530 10980 11895 12636 14274 14580 14823 15795 15860 16470 18954 19764 21060 21411 23790 24705 28548 29646 31590 32940 35685 37908 42822 44469 47385 47580 49410 59292 63180 64233 71370 74115 85644 88938 94770 98820 107055 128466 142740 148230 177876 189540 192699 214110 222345 256932 296460 321165 385398 428220 444690 578097 642330 770796 889380 963495 1156194 1284660 1837273 1926990 2312388 2890485 3674546 3853980 5511819 5780970 7349092 9186365 11023638 11561940 16535457 18372730 22047276 23884549 27559095 33070914 36745460 47769098 49606371 55118190 66141828 71653647 82677285 95538196 99212742 110236380 112073653 119422745 143307294 148819113 165354570 198425484 214960941 224147306 238845490 248031855 286614588 297638226 330709140 336220959 358268235 429921882 446457339 448294612 477690980 496063710 560368265 595276452 644882823 672441918 716536470 744095565 859843764 892914678 992127420 1008662877 1074804705 1120736530 1289765646 1339372017 1344883836 1433072940 1456957489 1488191130 1681104795 1785829356 1934648469 2017325754 2149609410 2232286695 2241473060 2579531292 2678744034 2913914978 2976382260 3025988631 3224414115 3362209590 3869296938 4034651508 4299218820 4370872467 4464573390 5043314385 5357488068 5803945407 5827829956 6051977262 6448828230 6696860085 6724419180 7284787445 7738593876 8741744934 8929146780 9077965893 9673242345 10086628770 11607890814 12103954524 12897656460 13112617401 13393720170 14569574890 15129943155 17411836221 17483489868 18155931786 19346484690 20173257540 21854362335 23215781628 26225234802 26787440340 27233897679 29019727035 29139149780 30259886310 34823672442 36311863572 38692969380 39337852203 43708724670 45389829465 52450469604 54467795358 58039454070 60519772620 65563087005 69647344884 78675704406 81701693037 87059181105 87417449340 90779658930 108935590716 116078908140 118013556609 131126174010 136169488395 157351408812 163403386074 174118362210 181559317860 196689261015 236027113218 262252348020 272338976790 326806772148 348236724420 354040669827 393378522030 408508465185 472054226436 544677953580 590067783045 708081339654 786757044060 817016930370 1062122009481 1180135566090 1416162679308 1634033860740 1770203349135 2124244018962 2360271132180 3540406698270 4248488037924 5310610047405 7080813396540 10621220094810 21242440189620
• Sum of all divisors σ(n): 73208769411792
• Sum of proper divisors (its aliquot sum) s(n): 51966329222172
• 21242440189620 is an abundant number, because the sum of its proper divisors (51966329222172) is greater than itself. Its abundance is 30723889032552

Bases of 21242440189620

• Binary: 100110101000111100100000110100000011010110100₂
• Hexadecimal: 0x1351E41A06B4
• Base-36: 7J2N4FB90

Squares and roots of 21242440189620

• 21242440189620 squared (21242440189620²) is 451241265209582981555744400
• 21242440189620 cubed (21242440189620³) is 9585465587303022619760132034936253128000
• The square root of 21242440189620 is 4608952.1791422397
• The cube root of 21242440189620 is 27695.0062850917

Scales and comparisons

• 21,242,440,189,620 seconds is equal to 675,443 years, 46 weeks, 2 days, 6 hours, 27 minutes.
• To count from 1 to 21,242,440,189,620 would take you about one million, six hundred eighty-eight thousand, six hundred 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 21242440189620 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21242440189620

• 21242440189620 backwards is 02698104424212
• 21242440189620 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21242440189620's digits is 45
• More coming soon!