21375291042

Names of 21375291042

• Cardinal: 21375291042 can be written as Twenty-one billion, three hundred seventy-five million, two hundred ninety-one thousand and forty-two.

Scientific notation

• Scientific notation: 2.1375291042 × 10¹⁰

Factors of 21375291042

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 24269

Divisors of 21375291042

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 38 41 42 54 57 63 81 82 114 123 126 133 162 171 189 246 266 287 342 369 378 399 513 567 574 738 779 798 861 1026 1107 1134 1197 1539 1558 1722 2214 2337 2394 2583 3078 3321 3591 4674 5166 5453 6642 7011 7182 7749 10773 10906 14022 15498 16359 21033 21546 23247 24197 32718 42066 46494 48394 49077 63099 72591 98154 126198 145182 147231 169379 217773 294462 338758 435546 441693 459743 508137 653319 883386 919486 992077 1016274 1306638 1379229 1524411 1959957 1984154 2758458 2976231 3048822 3218201 3919914 4137687 4573233 5952462 6436402 6944539 8275374 8928693 9146466 9654603 12413061 13719699 13889078 17857386 18849463 19309206 20833617 24826122 26786079 27439398 28963809 37239183 37698926 41667234 53572158 56548389 57927618 62500851 74478366 80358237 86891427 113096778 125001702 131946241 160716474 169645167 173782854 187502553 260674281 263892482 339290334 375005106 395838723 508935501 521348562 562507659 791677446 1017871002 1125015318 1187516169 1526806503 2375032338 3053613006 3562548507 7125097014 10687645521 21375291042
• Sum of all divisors σ(n): 59027633280
• Sum of proper divisors (its aliquot sum) s(n): 37652342238
• 21375291042 is an abundant number, because the sum of its proper divisors (37652342238) is greater than itself. Its abundance is 16277051196

Bases of 21375291042

• Binary: 10011111010000100010000111010100010₂
• Hexadecimal: 0x4FA110EA2
• Base-36: 9TIAO4I

Squares and roots of 21375291042

• 21375291042 squared (21375291042²) is 456903067130205445764
• 21375291042 cubed (21375291042³) is 9766436037890605112458846046088
• The square root of 21375291042 is 146202.9105113849
• The cube root of 21375291042 is 2775.2621473313

Scales and comparisons

• 21,375,291,042 seconds is equal to 679 years, 34 weeks, 5 days, 4 hours, 50 minutes, 42 seconds.
• To count from 1 to 21,375,291,042 would take you about one thousand, three hundred fifty-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 21375291042 cubic inches would be around 231.3 feet tall.

Recreational maths with 21375291042

• 21375291042 backwards is 24019257312
• The number of decimal digits it has is: 11
• The sum of 21375291042's digits is 36
• More coming soon!