18297629142

Names of 18297629142

• Cardinal: 18297629142 can be written as Eighteen billion, two hundred ninety-seven million, six hundred twenty-nine thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.8297629142 × 10¹⁰

Factors of 18297629142

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 978

Divisors of 18297629142

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 13 17 26 34 39 51 73 78 102 146 219 221 421 438 442 449 663 842 898 949 1241 1263 1326 1347 1898 2482 2526 2694 2847 3723 5473 5694 5837 7157 7446 7633 10946 11674 14314 15266 16133 16419 17511 21471 22899 30733 32266 32777 32838 35022 42942 45798 48399 61466 65554 92199 93041 96798 98331 99229 184398 186082 189029 196662 198458 279123 297687 378058 399529 426101 522461 557209 558246 567087 595374 799058 852202 1044922 1114418 1134174 1198587 1278303 1567383 1671627 2397174 2457377 2556606 3134766 3213493 3343254 4914754 6426986 6791993 7243717 7372131 9640479 13583986 13799117 14487434 14744262 19280958 20375979 21731151 27598234 40751958 41397351 41775409 43462302 82794702 83550818 125326227 179388521 234584989 250652454 358777042 469169978 538165563 703754967 1076331126 1407509934 3049604857 6099209714 9148814571 18297629142
• Sum of all divisors σ(n): 42495062400
• Sum of proper divisors (its aliquot sum) s(n): 24197433258
• 18297629142 is an abundant number, because the sum of its proper divisors (24197433258) is greater than itself. Its abundance is 5899804116

Bases of 18297629142

• Binary: 10001000010100111111010100111010110₂
• Hexadecimal: 0x4429FA9D6
• Base-36: 8ELXP06

Squares and roots of 18297629142

• 18297629142 squared (18297629142²) is 334803232218167656164
• 18297629142 cubed (18297629142³) is 6126105378670937807268242331288
• The square root of 18297629142 is 135268.7293575273
• The cube root of 18297629142 is 2635.1071152719

Scales and comparisons

• 18,297,629,142 seconds is equal to 581 years, 42 weeks, 2 hours, 45 minutes, 42 seconds.
• To count from 1 to 18,297,629,142 would take you about one thousand, one hundred sixty-three 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 18297629142 cubic inches would be around 219.6 feet tall.

Recreational maths with 18297629142

• 18297629142 backwards is 24192679281
• 18297629142 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18297629142's digits is 51
• More coming soon!