18297274398

Names of 18297274398

• Cardinal: 18297274398 can be written as Eighteen billion, two hundred ninety-seven million, two hundred seventy-four thousand, three hundred ninety-eight.

Scientific notation

• Scientific notation: 1.8297274398 × 10¹⁰

Factors of 18297274398

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6658

Divisors of 18297274398

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 13 19 26 31 38 39 57 61 62 78 93 114 122 183 186 247 366 403 494 589 741 793 806 1159 1178 1209 1482 1586 1767 1891 2318 2379 2418 3477 3534 3782 4758 5673 6529 6954 7657 11346 13058 15067 15314 19587 22971 24583 30134 35929 39174 45201 45942 49166 71858 73749 84877 90402 107787 124051 147498 169754 202399 215574 248102 254631 372153 398269 404798 467077 509262 607197 744306 796538 934154 1194807 1214394 1401231 1612663 2389614 2631187 2802462 3225326 3845581 4837989 5177497 5262374 7567111 7691162 7893561 9675978 10354994 11536743 12346339 15134222 15532491 15787122 22701333 23073486 24692678 31064982 37039017 45402666 49992553 74078034 98372443 99985106 149977659 160502407 196744886 234580441 295117329 299955318 321004814 469160882 481507221 590234658 703741323 963014442 1407482646 3049545733 6099091466 9148637199 18297274398
• Sum of all divisors σ(n): 43530547200
• Sum of proper divisors (its aliquot sum) s(n): 25233272802
• 18297274398 is an abundant number, because the sum of its proper divisors (25233272802) is greater than itself. Its abundance is 6935998404

Bases of 18297274398

• Binary: 10001000010100110100100000000011110₂
• Hexadecimal: 0x4429A401E
• Base-36: 8ELQ3A6

Squares and roots of 18297274398

• 18297274398 squared (18297274398²) is 334790250395706262404
• 18297274398 cubed (18297274398³) is 6125749077265365564212979132792
• The square root of 18297274398 is 135267.4180946763
• The cube root of 18297274398 is 2635.0900858437

Scales and comparisons

• 18,297,274,398 seconds is equal to 581 years, 41 weeks, 3 days, 13 minutes, 18 seconds.
• To count from 1 to 18,297,274,398 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 18297274398 cubic inches would be around 219.6 feet tall.

Recreational maths with 18297274398

• 18297274398 backwards is 89347279281
• The number of decimal digits it has is: 11
• The sum of 18297274398's digits is 60
• More coming soon!