21338981400

Names of 21338981400

• Cardinal: 21338981400 can be written as Twenty-one billion, three hundred thirty-eight million, nine hundred eighty-one thousand, four hundred.

Scientific notation

• Scientific notation: 2.13389814 × 10¹⁰

Factors of 21338981400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8330

Divisors of 21338981400

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 17 20 22 23 24 25 30 33 34 40 44 46 50 51 55 60 66 68 69 75 85 88 92 100 102 110 115 120 132 136 138 150 165 170 184 187 200 204 220 230 253 255 264 275 276 300 330 340 345 374 391 408 425 440 460 506 510 550 552 561 575 600 660 680 690 748 759 782 825 850 920 935 1012 1020 1100 1122 1150 1173 1265 1275 1320 1380 1496 1518 1564 1650 1700 1725 1870 1955 2024 2040 2200 2244 2300 2346 2530 2550 2760 2805 3036 3128 3300 3400 3450 3740 3795 3910 4301 4488 4600 4675 4692 5060 5100 5610 5865 6072 6325 6600 6900 7480 7590 7820 8269 8602 9350 9384 9775 10120 10200 11220 11730 12650 12903 13800 14025 15180 15640 16538 17204 18700 18975 19550 21505 22440 23460 24807 25300 25806 28050 29325 30360 33076 34408 37400 37950 39100 41345 43010 46920 49614 50600 51612 56100 58650 64515 66152 75900 78200 82690 86020 90959 99228 103224 107525 112200 117300 124035 129030 140573 151800 165380 172040 181918 190187 198456 206725 215050 234600 248070 258060 272877 281146 322575 330760 363836 380374 413450 421719 430100 454795 496140 516120 545754 562292 570561 620175 645150 702865 727672 760748 826900 843438 860200 909590 950935 992280 1091508 1124584 1141122 1240350 1290300 1364385 1405730 1521496 1546303 1653800 1686876 1819180 1901870 2092057 2108595 2183016 2273975 2282244 2480700 2580600 2728770 2811460 2852805 3092606 3233179 3373752 3514325 3638360 3803740 4184114 4217190 4547950 4564488 4638909 4754675 4961400 5457540 5622920 5705610 6185212 6276171 6466358 6821925 7028650 7607480 7731515 8368228 8434380 9095900 9277818 9509350 9699537 10460285 10542975 10915080 11411220 12370424 12552342 12932716 13643850 14057300 14264025 15463030 16165895 16736456 16868760 18191800 18555636 19018700 19399074 20920570 21085950 22822440 23194545 25104684 25865432 27287700 28114600 28528050 30926060 31380855 32331790 35564969 37111272 38037400 38657575 38798148 41841140 42171900 46389090 48497685 50209368 52301425 54575400 57056100 61852120 62761710 64663580 71129938 77315150 77596296 80829475 83682280 84343800 92778180 96995370 104602850 106694907 114112200 115972725 125523420 129327160 142259876 154630300 156904275 161658950 177824845 185556360 193990740 209205700 213389814 231945450 242488425 251046840 284519752 309260600 313808550 323317900 355649690 387981480 418411400 426779628 463890900 484976850 533474535 627617100 646635800 711299380 853559256 889124225 927781800 969953700 1066949070 1255234200 1422598760 1778248450 1939907400 2133898140 2667372675 3556496900 4267796280 5334745350 7112993800 10669490700 21338981400
• Sum of all divisors σ(n): 79741324800
• Sum of proper divisors (its aliquot sum) s(n): 58402343400
• 21338981400 is an abundant number, because the sum of its proper divisors (58402343400) is greater than itself. Its abundance is 37063362000

Bases of 21338981400

• Binary: 10011110111111001110000010000011000₂
• Hexadecimal: 0x4F7E70418
• Base-36: 9SWOFFC

Squares and roots of 21338981400

• 21338981400 squared (21338981400²) is 455352127189545960000
• 21338981400 cubed (21338981400³) is 9716750572548155514885144000000
• The square root of 21338981400 is 146078.6822229717
• The cube root of 21338981400 is 2773.6898352243

Scales and comparisons

• 21,338,981,400 seconds is equal to 678 years, 26 weeks, 4 days, 22 hours, 50 minutes.
• To count from 1 to 21,338,981,400 would take you about one thousand, three hundred fifty-seven 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 21338981400 cubic inches would be around 231.1 feet tall.

Recreational maths with 21338981400

• 21338981400 backwards is 00418983312
• The number of decimal digits it has is: 11
• The sum of 21338981400's digits is 39
• More coming soon!