21201905088

Names of 21201905088

• Cardinal: 21201905088 can be written as Twenty-one billion, two hundred one million, nine hundred five thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1201905088 × 10¹⁰

Factors of 21201905088

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1945

Divisors of 21201905088

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 64 72 73 78 84 91 96 104 108 112 117 126 144 146 156 168 182 189 192 208 216 219 224 234 252 273 288 292 312 336 351 364 378 416 432 438 448 468 504 511 546 576 584 624 657 672 702 728 756 819 832 864 876 936 949 1008 1022 1092 1168 1248 1314 1344 1404 1456 1512 1533 1638 1728 1752 1847 1872 1898 1971 2016 2044 2184 2336 2457 2496 2628 2808 2847 2912 3024 3066 3276 3504 3694 3744 3796 3942 4032 4088 4368 4599 4672 4914 5256 5541 5616 5694 5824 6048 6132 6552 6643 7008 7388 7488 7592 7884 8176 8541 8736 9198 9828 10512 11082 11232 11388 12096 12264 12929 13104 13286 13797 14016 14776 15184 15768 16352 16623 17082 17472 18396 19656 19929 21024 22164 22464 22776 24011 24528 25623 25858 26208 26572 27594 29552 30368 31536 32704 33246 34164 36792 38787 39312 39858 42048 44328 45552 48022 49056 49869 51246 51716 52416 53144 55188 59104 59787 60736 63072 66492 68328 72033 73584 77574 78624 79716 88656 91104 96044 98112 99738 102492 103432 106288 110376 116361 118208 119574 126144 132984 134831 136656 144066 147168 155148 157248 159432 168077 177312 179361 182208 192088 199476 204984 206864 212576 216099 220752 232722 239148 265968 269662 273312 288132 294336 310296 318864 336154 349083 354624 358722 384176 398952 404493 409968 413728 425152 432198 441504 465444 478296 504231 531936 539324 546624 576264 620592 637728 648297 672308 698166 717444 768352 797904 808986 819936 827456 864396 883008 930888 943817 956592 1008462 1063872 1078648 1152528 1213479 1241184 1275456 1296594 1344616 1396332 1434888 1512693 1536704 1595808 1617972 1639872 1728792 1752803 1861776 1887634 1913184 2016924 2157296 2305056 2426958 2482368 2593188 2689232 2792664 2831451 2869776 3025386 3191616 3235944 3457584 3505606 3640437 3723552 3775268 3826368 4033848 4314592 4538079 4610112 4853916 5186376 5258409 5378464 5585328 5662902 5739552 6050772 6471888 6915168 7011212 7280874 7447104 7550536 8067696 8494353 8629184 9076158 9707832 10372752 10516818 10756928 11170656 11325804 11479104 12101544 12269621 12943776 13830336 14022424 14561748 15101072 15775227 16135392 16988706 18152316 19415664 20745504 21033636 22341312 22651608 24203088 24539242 25483059 25887552 28044848 29123496 30202144 31550454 32270784 33977412 36304632 36808863 38831328 41491008 42067272 45303216 47325681 48406176 49078484 50966118 56089696 58246992 60404288 63100908 67954824 72609264 73617726 77662656 84134544 90606432 94651362 96812352 98156968 101932236 110426589 112179392 116493984 126201816 135909648 145218528 147235452 168269088 181212864 189302724 196313936 203864472 220853178 232987968 252403632 271819296 290437056 294470904 331279767 336538176 378605448 392627872 407728944 441706356 504807264 543638592 588941808 662559534 757210896 785255744 815457888 883412712 1009614528 1177883616 1325119068 1514421792 1630915776 1766825424 2355767232 2650238136 3028843584 3533650848 5300476272 7067301696 10600952544 21201905088
• Sum of all divisors σ(n): 77806417920
• Sum of proper divisors (its aliquot sum) s(n): 56604512832
• 21201905088 is an abundant number, because the sum of its proper divisors (56604512832) is greater than itself. Its abundance is 35402607744

Bases of 21201905088

• Binary: 10011101111101110110110010111000000₂
• Hexadecimal: 0x4EFBB65C0
• Base-36: 9QN2EO0

Squares and roots of 21201905088

• 21201905088 squared (21201905088²) is 449520779360560287744
• 21201905088 cubed (21201905088³) is 9530696899086388551250257641472
• The square root of 21201905088 is 145608.7397376957
• The cube root of 21201905088 is 2767.7379077357

Scales and comparisons

• 21,201,905,088 seconds is equal to 674 years, 8 weeks, 10 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,201,905,088 would take you about one thousand, three hundred forty-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 21201905088 cubic inches would be around 230.6 feet tall.

Recreational maths with 21201905088

• 21201905088 backwards is 88050910212
• 21201905088 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21201905088's digits is 36
• More coming soon!