21376381572

Names of 21376381572

• Cardinal: 21376381572 can be written as Twenty-one billion, three hundred seventy-six million, three hundred eighty-one thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 2.1376381572 × 10¹⁰

Factors of 21376381572

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2975

Divisors of 21376381572

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 84 91 108 117 126 156 182 189 234 252 273 351 364 378 468 546 702 756 819 1092 1404 1451 1499 1638 2457 2902 2998 3276 4353 4497 4914 5804 5996 8706 8994 9828 10157 10493 13059 13491 17412 17988 18863 19487 20314 20986 26118 26982 30471 31479 37726 38974 39177 40473 40628 41972 52236 53964 56589 58461 60942 62958 75452 77948 78354 80946 91413 94437 113178 116922 121884 125916 132041 136409 156708 161892 169767 175383 182826 188874 226356 233844 264082 272818 274239 283311 339534 350766 365652 377748 396123 409227 509301 526149 528164 545636 548478 566622 679068 701532 792246 818454 1018602 1052298 1096956 1133244 1188369 1227681 1584492 1636908 2037204 2104596 2175049 2376738 2455362 3565107 3683043 4350098 4753476 4910724 6525147 7130214 7366086 8700196 13050294 14260428 14732172 15225343 19575441 26100588 28275637 30450686 39150882 45676029 56551274 58726323 60901372 78301764 84826911 91352058 113102548 117452646 137028087 169653822 182704116 197929459 234905292 254480733 274056174 339307644 395858918 411084261 508961466 548112348 593788377 763442199 791717836 822168522 1017922932 1187576754 1526884398 1644337044 1781365131 2375153508 3053768796 3562730262 5344095393 7125460524 10688190786 21376381572
• Sum of all divisors σ(n): 68302080000
• Sum of proper divisors (its aliquot sum) s(n): 46925698428
• 21376381572 is an abundant number, because the sum of its proper divisors (46925698428) is greater than itself. Its abundance is 25549316856

Bases of 21376381572

• Binary: 10011111010001000011011001010000100₂
• Hexadecimal: 0x4FA21B284
• Base-36: 9TIY1L0

Squares and roots of 21376381572

• 21376381572 squared (21376381572²) is 456949689111741191184
• 21376381572 cubed (21376381572³) is 9767930913659353448058986461248
• The square root of 21376381572 is 146206.6399723351
• The cube root of 21376381572 is 2775.3093428705

Scales and comparisons

• 21,376,381,572 seconds is equal to 679 years, 36 weeks, 3 days, 19 hours, 46 minutes, 12 seconds.
• To count from 1 to 21,376,381,572 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 21376381572 cubic inches would be around 231.3 feet tall.

Recreational maths with 21376381572

• 21376381572 backwards is 27518367312
• The number of decimal digits it has is: 11
• The sum of 21376381572's digits is 45
• More coming soon!