21218536402960

Names of 21218536402960

• Cardinal: 21218536402960 can be written as Twenty-one trillion, two hundred eighteen billion, five hundred thirty-six million, four hundred two thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.121853640296 × 10¹³

Factors of 21218536402960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 166071

Divisors of 21218536402960

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 38 40 52 65 76 80 95 104 130 152 169 190 208 247 260 304 338 380 494 499 520 676 760 845 988 998 1040 1235 1352 1520 1690 1976 1996 2470 2495 2704 3211 3380 3952 3992 4940 4990 6422 6487 6760 7984 9481 9880 9980 12844 12974 13520 16055 18962 19760 19960 25688 25948 32110 32435 37924 39920 47405 51376 51896 64220 64870 75848 84331 94810 103792 123253 128440 129740 151696 165533 168662 189620 246506 256880 259480 331066 337324 379240 421655 493012 518960 616265 662132 674648 758480 827665 843310 986024 1232530 1324264 1349296 1602289 1655330 1686620 1972048 2151929 2465060 2648528 3145127 3204578 3310660 3373240 4303858 4930120 6290254 6409156 6621320 6746480 8011445 8607716 9860240 10759645 12580508 12818312 13242640 15725635 16022890 17215432 21519290 25161016 25636624 27975077 31451270 32045780 34430864 40886651 43038580 50322032 55950154 62902540 64091560 81773302 82600967 86077160 111900308 125805080 128183120 139875385 163546604 165201934 172154320 204433255 223800616 251610160 279750770 327093208 330403868 408866510 413004835 447601232 531526463 559501540 654186416 660807736 817733020 826009670 1063052926 1073812571 1119003080 1321615472 1569418373 1635466040 1652019340 2126105852 2147625142 2238006160 2657632315 3138836746 3270932080 3304038680 4252211704 4295250284 5315264630 5369062855 6277673492 6608077360 7847091865 8504423408 8590500568 10630529260 10738125710 12555346984 13959563423 15694183730 17181001136 20402438849 21261058520 21476251420 25110693968 27919126846 31388367460 40804877698 42522117040 42952502840 55838253692 62776734920 69797817115 81609755396 85905005680 102012194245 111676507384 125553469840 139595634230 163219510792 204024388490 223353014768 265231705037 279191268460 326439021584 408048776980 530463410074 558382536920 816097553960 1060926820148 1116765073840 1326158525185 1632195107920 2121853640296 2652317050370 4243707280592 5304634100740 10609268201480 21218536402960
• Sum of all divisors σ(n): 56344462920000
• Sum of proper divisors (its aliquot sum) s(n): 35125926517040
• 21218536402960 is an abundant number, because the sum of its proper divisors (35125926517040) is greater than itself. Its abundance is 13907390114080

Bases of 21218536402960

• Binary: 100110100110001010011010100110011000000010000₂
• Hexadecimal: 0x134C53533010
• Base-36: 7IRNSQ7F4

Squares and roots of 21218536402960

• 21218536402960 squared (21218536402960²) is 450226287083738695496761600
• 21218536402960 cubed (21218536402960³) is 9553142862055829168254418630392654336000
• The square root of 21218536402960 is 4606358.2582078869
• The cube root of 21218536402960 is 27684.6141331887

Scales and comparisons

• 21,218,536,402,960 seconds is equal to 674,683 years, 42 weeks, 6 days, 1 hour, 42 minutes, 40 seconds.
• To count from 1 to 21,218,536,402,960 would take you about one million, six hundred eighty-six thousand, seven hundred nine 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 21218536402960 cubic inches would be around 2307.1 feet tall.

Recreational maths with 21218536402960

• 21218536402960 backwards is 06920463581212
• The number of decimal digits it has is: 14
• The sum of 21218536402960's digits is 49
• More coming soon!