18490015929

Names of 18490015929

• Cardinal: 18490015929 can be written as Eighteen billion, four hundred ninety million, fifteen thousand, nine hundred twenty-nine.

Scientific notation

• Scientific notation: 1.8490015929 × 10¹⁰

Factors of 18490015929

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1709

Divisors of 18490015929

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 11 21 33 67 77 121 201 231 363 469 737 847 1407 1621 2211 2541 4489 4863 5159 8107 11347 13467 15477 17831 24321 31423 34041 49379 53493 56749 94269 108607 124817 148137 170247 196141 325821 345653 374451 543169 588423 760249 1036959 1194677 1372987 1629507 2280747 3584031 3802183 4118961 7276669 8362739 11406549 13141447 21830007 25088217 39424341 50936683 80043359 91990129 152810049 240130077 275970387 560303513 880476949 1680910539 2641430847 6163338643 18490015929
• Sum of all divisors σ(n): 31458028224
• Sum of proper divisors (its aliquot sum) s(n): 12968012295
• 18490015929 is a deficient number, because the sum of its proper divisors (12968012295) is less than itself. Its deficiency is 5522003634

Bases of 18490015929

• Binary: 10001001110000101110100000010111001₂
• Hexadecimal: 0x44E1740B9
• Base-36: 8HSH7LL

Squares and roots of 18490015929

• 18490015929 squared (18490015929²) is 341880689054673733041
• 18490015929 cubed (18490015929³) is 6321379386438413275825983610089
• The square root of 18490015929 is 135977.9979592287
• The cube root of 18490015929 is 2644.3103717489

Scales and comparisons

• 18,490,015,929 seconds is equal to 587 years, 48 weeks, 19 hours, 32 minutes, 9 seconds.
• To count from 1 to 18,490,015,929 would take you about one thousand, one hundred seventy-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 18490015929 cubic inches would be around 220.4 feet tall.

Recreational maths with 18490015929

• 18490015929 backwards is 92951009481
• The number of decimal digits it has is: 11
• The sum of 18490015929's digits is 48
• More coming soon!