21388274600

Names of 21388274600

• Cardinal: 21388274600 can be written as Twenty-one billion, three hundred eighty-eight million, two hundred seventy-four thousand, six hundred.

Scientific notation

• Scientific notation: 2.13882746 × 10¹⁰

Factors of 21388274600

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1103

Divisors of 21388274600

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 17 20 22 25 28 34 35 40 44 49 50 55 56 68 70 77 85 88 98 100 110 119 121 136 140 154 170 175 187 196 200 220 238 242 245 275 280 308 340 350 374 385 392 425 440 476 484 490 539 550 595 605 616 680 700 748 770 833 847 850 935 952 968 980 1061 1078 1100 1190 1210 1225 1309 1400 1496 1540 1666 1694 1700 1870 1925 1960 2057 2122 2156 2200 2380 2420 2450 2618 2695 2975 3025 3080 3332 3388 3400 3740 3850 4114 4165 4235 4244 4312 4675 4760 4840 4900 5236 5305 5390 5929 5950 6050 6545 6664 6776 7427 7480 7700 8228 8330 8470 8488 9163 9350 9800 10285 10472 10610 10780 11671 11858 11900 12100 13090 13475 14399 14854 15400 16456 16660 16940 18037 18326 18700 20570 20825 21175 21220 21560 23342 23716 23800 24200 26180 26525 26950 28798 29645 29708 32725 33320 33880 36074 36652 37135 37400 41140 41650 42350 42440 45815 46684 47432 51425 51989 52360 53050 53900 57596 58355 59290 59416 65450 71995 72148 73304 74270 81697 82280 83300 84700 90185 91630 93368 100793 102850 103978 106100 107800 115192 116710 118580 126259 128381 130900 143990 144296 148225 148540 163394 166600 169400 180370 183260 185675 198407 201586 205700 207956 212200 229075 233420 237160 252518 256762 259945 261800 287980 291775 296450 297080 326788 359975 360740 366520 371350 396814 403172 408485 411400 415912 450925 458150 466840 503965 505036 513524 519890 571879 575960 583550 592900 631295 641905 653576 719950 721480 742700 793628 806344 816970 883813 898667 901850 916300 992035 1007930 1010072 1027048 1039780 1143758 1167100 1185800 1262590 1283810 1299725 1388849 1439900 1485400 1587256 1633940 1767626 1797334 1803700 1832600 1984070 2015860 2042425 2079560 2182477 2287516 2334200 2519825 2525180 2567620 2599450 2777698 2859395 2879800 3156475 3209525 3267880 3535252 3594668 3607400 3968140 4031720 4084850 4364954 4419065 4493335 4575032 4960175 5039650 5050360 5135240 5198900 5555396 5718790 6290669 6312950 6419050 6944245 7070504 7189336 7936280 8169700 8729908 8838130 8986670 9721943 9920350 10079300 10397800 10912385 11110792 11437580 12581338 12625900 12838100 13888490 14296975 15277339 16339400 17459816 17676260 17973340 19443886 19840700 20158600 21824770 22095325 22466675 22875160 25162676 25251800 25676200 27776980 28593950 30554678 31453345 34721225 35352520 35946680 38887772 39681400 43649540 44190650 44933350 48609715 50325352 54561925 55553960 57187900 61109356 62906690 69442450 76386695 77775544 87299080 88381300 89866700 97219430 106941373 109123850 114375800 122218712 125813380 138884900 152773390 157266725 176762600 179733400 194438860 213882746 218247700 243048575 251626760 277769800 305546780 314533450 381933475 388877720 427765492 436495400 486097150 534706865 611093560 629066900 763866950 855530984 972194300 1069413730 1258133800 1527733900 1944388600 2138827460 2673534325 3055467800 4277654920 5347068650 10694137300 21388274600
• Sum of all divisors σ(n): 67387054140
• Sum of proper divisors (its aliquot sum) s(n): 45998779540
• 21388274600 is an abundant number, because the sum of its proper divisors (45998779540) is greater than itself. Its abundance is 24610504940

Bases of 21388274600

• Binary: 10011111010110101110010101110101000₂
• Hexadecimal: 0x4FAD72BA8
• Base-36: 9TQ0YAW

Squares and roots of 21388274600

• 21388274600 squared (21388274600²) is 457458290365005160000
• 21388274600 cubed (21388274600³) is 9784243532373264592496936000000
• The square root of 21388274600 is 146247.3062999795
• The cube root of 21388274600 is 2775.8239406013

Scales and comparisons

• 21,388,274,600 seconds is equal to 680 years, 4 weeks, 1 day, 11 hours, 23 minutes, 20 seconds.
• To count from 1 to 21,388,274,600 would take you about one thousand, three hundred sixty 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 21388274600 cubic inches would be around 231.3 feet tall.

Recreational maths with 21388274600

• 21388274600 backwards is 00647288312
• The number of decimal digits it has is: 11
• The sum of 21388274600's digits is 41
• More coming soon!