21064192240

Names of 21064192240

• Cardinal: 21064192240 can be written as Twenty-one billion, sixty-four million, one hundred ninety-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.106419224 × 10¹⁰

Factors of 21064192240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3861

Divisors of 21064192240

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1033 1040 1456 1820 2066 2801 3640 4132 5165 5602 7231 7280 8264 10330 11204 13429 14005 14462 16528 19607 20660 22408 26858 28010 28924 36155 36413 39214 41320 44816 53716 56020 57848 67145 72310 72826 78428 82640 94003 98035 107432 112040 115696 134290 144620 145652 156856 182065 188006 196070 214864 224080 254891 268580 289240 291304 313712 364130 376012 392140 470015 509782 537160 578480 582608 728260 752024 784280 940030 1019564 1074320 1274455 1456520 1504048 1568560 1880060 2039128 2548910 2893433 2913040 3760120 4078256 5097820 5786866 7520240 10195640 11573732 14467165 20254031 20391280 23147464 28934330 37614629 40508062 46294928 57868660 75229258 81016124 101270155 115737320 150458516 162032248 188073145 202540310 231474640 263302403 300917032 324064496 376146290 405080620 526604806 601834064 752292580 810161240 1053209612 1316512015 1504585160 1620322480 2106419224 2633024030 3009170320 4212838448 5266048060 10532096120 21064192240
• Sum of all divisors σ(n): 60355886976
• Sum of proper divisors (its aliquot sum) s(n): 39291694736
• 21064192240 is an abundant number, because the sum of its proper divisors (39291694736) is greater than itself. Its abundance is 18227502496

Bases of 21064192240

• Binary: 10011100111100001100001000011110000₂
• Hexadecimal: 0x4E78610F0
• Base-36: 9OD2QR4

Squares and roots of 21064192240

• 21064192240 squared (21064192240²) is 443700194723676217600
• 21064192240 cubed (21064192240³) is 9346186198584949527042471424000
• The square root of 21064192240 is 145135.0827332937
• The cube root of 21064192240 is 2761.7324521847

Scales and comparisons

• 21,064,192,240 seconds is equal to 669 years, 40 weeks, 2 days, 12 hours, 30 minutes, 40 seconds.
• To count from 1 to 21,064,192,240 would take you about one thousand, three hundred thirty-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 21064192240 cubic inches would be around 230.1 feet tall.

Recreational maths with 21064192240

• 21064192240 backwards is 04229146012
• The number of decimal digits it has is: 11
• The sum of 21064192240's digits is 31
• More coming soon!