21357028800

Names of 21357028800

• Cardinal: 21357028800 can be written as Twenty-one billion, three hundred fifty-seven million, twenty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13570288 × 10¹⁰

Factors of 21357028800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 367

Divisors of 21357028800

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 83 90 96 100 107 120 144 150 160 166 167 180 192 200 214 225 240 249 288 300 320 321 332 334 360 400 415 428 450 480 498 501 535 576 600 642 664 668 720 747 800 830 835 856 900 960 963 996 1002 1070 1200 1245 1284 1328 1336 1440 1494 1503 1600 1605 1660 1670 1712 1800 1926 1992 2004 2075 2140 2400 2490 2505 2568 2656 2672 2675 2880 2988 3006 3210 3320 3340 3424 3600 3735 3852 3984 4008 4150 4175 4280 4800 4815 4980 5010 5136 5312 5344 5350 5976 6012 6225 6420 6640 6680 6848 7200 7470 7515 7704 7968 8016 8025 8300 8350 8560 8881 9630 9960 10020 10272 10688 10700 11952 12024 12450 12525 12840 13280 13360 13861 14400 14940 15030 15408 15936 16032 16050 16600 16700 17120 17762 17869 18675 19260 19920 20040 20544 21400 23904 24048 24075 24900 25050 25680 26560 26643 26720 27722 29880 30060 30816 32064 32100 33200 33400 34240 35524 35738 37350 37575 38520 39840 40080 41583 42800 44405 47808 48096 48150 49800 50100 51360 53286 53440 53607 55444 59760 60120 61632 64200 66400 66800 69305 71048 71476 74700 75150 77040 79680 79929 80160 83166 85600 88810 89345 96192 96300 99600 100200 102720 106572 107214 110888 119520 120240 124749 128400 132800 133215 133600 138610 142096 142952 149400 150300 154080 159858 160320 160821 166332 171200 177620 178690 192600 199200 200400 207915 213144 214428 221776 222025 239040 240480 249498 256800 266430 267200 268035 277220 284192 285904 298800 300600 308160 319716 321642 332664 346525 355240 357380 385200 398400 399645 400800 415830 426288 428856 443552 444050 446725 480960 498996 513600 532860 536070 554440 568384 571808 597600 601200 623745 639432 643284 665328 666075 693050 710480 714760 770400 799290 801600 804105 831660 852576 857712 887104 888100 893450 997992 1039575 1065720 1072140 1108880 1143616 1195200 1202400 1247490 1278864 1286568 1330656 1332150 1340175 1386100 1420960 1429520 1483127 1540800 1598580 1608210 1663320 1705152 1715424 1776200 1786900 1995984 1998225 2079150 2131440 2144280 2217760 2404800 2494980 2557728 2573136 2661312 2664300 2680350 2772200 2841920 2859040 2966254 3118725 3197160 3216420 3326640 3430848 3552400 3573800 3991968 3996450 4020525 4158300 4262880 4288560 4435520 4449381 4989960 5115456 5146272 5328600 5360700 5544400 5718080 5932508 6237450 6394320 6432840 6653280 7104800 7147600 7415635 7983936 7992900 8041050 8316600 8525760 8577120 8898762 9979920 10292544 10657200 10721400 11088800 11865016 12474900 12788640 12865680 13306560 13348143 14209600 14295200 14831270 15985800 16082100 16633200 17154240 17797524 19959840 21314400 21442800 22177600 22246905 23730032 24949800 25577280 25731360 26696286 28590400 29662540 31971600 32164200 33266400 35595048 37078175 39919680 42628800 42885600 44493810 47460064 49899600 51462720 53392572 59325080 63943200 64328400 66532800 66740715 71190096 74156350 85771200 88987620 94920128 99799200 106785144 111234525 118650160 127886400 128656800 133481430 142380192 148312700 177975240 199598400 213570288 222469050 237300320 257313600 266962860 284760384 296625400 333703575 355950480 427140576 444938100 474600640 533925720 593250800 667407150 711900960 854281152 889876200 1067851440 1186501600 1334814300 1423801920 1779752400 2135702880 2373003200 2669628600 3559504800 4271405760 5339257200 7119009600 10678514400 21357028800
• Sum of all divisors σ(n): 78004757376
• Sum of proper divisors (its aliquot sum) s(n): 56647728576
• 21357028800 is an abundant number, because the sum of its proper divisors (56647728576) is greater than itself. Its abundance is 35290699776

Bases of 21357028800

• Binary: 10011111000111110100110010111000000₂
• Hexadecimal: 0x4F8FA65C0
• Base-36: 9T7F8W0

Squares and roots of 21357028800

• 21357028800 squared (21357028800²) is 456122679164029440000
• 21357028800 cubed (21357028800³) is 9741425195239336674127872000000
• The square root of 21357028800 is 146140.4420412091
• The cube root of 21357028800 is 2774.4715623913

Scales and comparisons

• 21,357,028,800 seconds is equal to 679 years, 4 weeks, 3 days, 20 hours.
• To count from 1 to 21,357,028,800 would take you about one thousand, three hundred fifty-eight 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 21357028800 cubic inches would be around 231.2 feet tall.

Recreational maths with 21357028800

• 21357028800 backwards is 00882075312
• 21357028800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21357028800's digits is 36
• More coming soon!