21430520226990

Names of 21430520226990

• Cardinal: 21430520226990 can be written as Twenty-one trillion, four hundred thirty billion, five hundred twenty million, two hundred twenty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.143052022699 × 10¹³

Factors of 21430520226990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 198928099

Divisors of 21430520226990

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 27 30 35 38 42 45 54 57 63 70 81 90 95 105 114 126 133 135 162 171 189 190 210 266 270 285 315 342 378 399 405 513 567 570 630 665 798 810 855 945 1026 1134 1197 1330 1539 1710 1890 1995 2394 2565 2835 3078 3591 3990 5130 5670 5985 7182 7695 10773 11970 15390 17955 21546 35910 53865 107730 198928063 397856126 596784189 994640315 1193568378 1392496441 1790352567 1989280630 2784992882 2983920945 3580705134 3779633197 4177489323 5371057701 5967841890 6962482205 7559266394 8354978646 8951762835 10742115402 11338899591 12532467969 13924964410 16113173103 17903525670 18898165985 20887446615 22677799182 25064935938 26457432379 26855288505 32226346206 34016698773 37597403907 37796331970 41774893230 52914864758 53710577010 56694497955 62662339845 68033397546 75194807814 79372297137 80565865515 102050096319 112792211721 113388995910 125324679690 132287161895 158744594274 161131731030 170083493865 187987019535 204100192638 225584423442 238116891411 264574323790 306150288957 340166987730 375974039070 396861485685 476233782822 510250481595 563961058605 612300577914 714350674233 793722971370 1020500963190 1127922117210 1190584457055 1428701348466 1530751444785 2143052022699 2381168914110 3061502889570 3571753371165 4286104045398 7143506742330 10715260113495 21430520226990
• Sum of all divisors σ(n): 69322451742720
• Sum of proper divisors (its aliquot sum) s(n): 47891931515730
• 21430520226990 is an abundant number, because the sum of its proper divisors (47891931515730) is greater than itself. Its abundance is 26461411288740

Bases of 21430520226990

• Binary: 100110111110110101110100010111010010010101110₂
• Hexadecimal: 0x137DAE8BA4AE
• Base-36: 7LH1MF8VI

Squares and roots of 21430520226990

• 21430520226990 squared (21430520226990²) is 459267197199427521124460100
• 21430520226990 cubed (21430520226990³) is 9842334959175336572306217682293198099000
• The square root of 21430520226990 is 4629310.9883642511
• The cube root of 21430520226990 is 27776.5031980951

Scales and comparisons

• 21,430,520,226,990 seconds is equal to 681,424 years, 13 weeks, 1 day, 13 hours, 16 minutes, 30 seconds.
• To count from 1 to 21,430,520,226,990 would take you about one million, seven hundred three thousand, five 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 21430520226990 cubic inches would be around 2314.7 feet tall.

Recreational maths with 21430520226990

• 21430520226990 backwards is 09962202503412
• 21430520226990 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21430520226990's digits is 45
• More coming soon!