18017898492

Names of 18017898492

• Cardinal: 18017898492 can be written as Eighteen billion, seventeen million, eight hundred ninety-eight thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 1.8017898492 × 10¹⁰

Factors of 18017898492

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 400338

Divisors of 18017898492

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 11 12 22 31 33 44 62 66 93 121 124 132 186 242 341 363 372 484 682 726 1023 1364 1452 2046 3751 4092 7502 11253 15004 22506 45012 400291 800582 1200873 1601164 2401746 4403201 4803492 8806402 12409021 13209603 17612804 24818042 26419206 37227063 48435211 49636084 52838412 74454126 96870422 136499231 145305633 148908252 193740844 272998462 290611266 409497693 545996924 581222532 818995386 1501491541 1637990772 3002983082 4504474623 6005966164 9008949246 18017898492
• Sum of all divisors σ(n): 47701997056
• Sum of proper divisors (its aliquot sum) s(n): 29684098564
• 18017898492 is an abundant number, because the sum of its proper divisors (29684098564) is greater than itself. Its abundance is 11666200072

Bases of 18017898492

• Binary: 10000110001111100110100111111111100₂
• Hexadecimal: 0x431F34FFC
• Base-36: 89ZE3GC

Squares and roots of 18017898492

• 18017898492 squared (18017898492²) is 324644666068015874064
• 18017898492 cubed (18017898492³) is 5849414639182746786729807511488
• The square root of 18017898492 is 134230.7658176769
• The cube root of 18017898492 is 2621.6097605025

Scales and comparisons

• 18,017,898,492 seconds is equal to 572 years, 47 weeks, 3 days, 11 hours, 48 minutes, 12 seconds.
• To count from 1 to 18,017,898,492 would take you about one thousand, one hundred forty-five 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 18017898492 cubic inches would be around 218.5 feet tall.

Recreational maths with 18017898492

• 18017898492 backwards is 29489871081
• The number of decimal digits it has is: 11
• The sum of 18017898492's digits is 57
• More coming soon!