18013040577

Names of 18013040577

• Cardinal: 18013040577 can be written as Eighteen billion, thirteen million, forty thousand, five hundred seventy-seven.

Scientific notation

• Scientific notation: 1.8013040577 × 10¹⁰

Factors of 18013040577

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13998

Divisors of 18013040577

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 109 147 189 243 327 441 567 763 981 1323 1701 2289 2943 3969 5341 6867 8829 11907 13879 16023 20601 26487 41637 48069 61803 97153 124911 144207 185409 291459 374733 432621 680071 874377 1124199 1297863 1512811 2040213 2623131 3372597 4538433 6120639 7869393 10589677 13615299 18361917 23608179 31769031 40845897 55085751 74127739 95307093 122537691 165257253 222383217 285921279 367613073 667149651 857763837 2001448953 2573291511 6004346859 18013040577
• Sum of all divisors σ(n): 31678046400
• Sum of proper divisors (its aliquot sum) s(n): 13665005823
• 18013040577 is a deficient number, because the sum of its proper divisors (13665005823) is less than itself. Its deficiency is 4348034754

Bases of 18013040577

• Binary: 10000110001101010010010111111000001₂
• Hexadecimal: 0x431A92FC1
• Base-36: 89WHZ29

Squares and roots of 18013040577

• 18013040577 squared (18013040577²) is 324469630828648492929
• 18013040577 cubed (18013040577³) is 5844684626120655437199974580033
• The square root of 18013040577 is 134212.6692119637
• The cube root of 18013040577 is 2621.3741299503

Scales and comparisons

• 18,013,040,577 seconds is equal to 572 years, 39 weeks, 3 days, 6 hours, 22 minutes, 57 seconds.
• To count from 1 to 18,013,040,577 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 18013040577 cubic inches would be around 218.4 feet tall.

Recreational maths with 18013040577

• 18013040577 backwards is 77504031081
• The number of decimal digits it has is: 11
• The sum of 18013040577's digits is 36
• More coming soon!