18313532468

Names of 18313532468

• Cardinal: 18313532468 can be written as Eighteen billion, three hundred thirteen million, five hundred thirty-two thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8313532468 × 10¹⁰

Factors of 18313532468

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 721

Divisors of 18313532468

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 701 847 1331 1402 1694 2662 2804 3388 4907 5324 7711 9317 9814 15422 18634 19628 30844 37268 53977 84821 107954 169642 215908 339284 491401 593747 933031 982802 1187494 1866062 1965604 2374988 3439807 3732124 5405411 6531217 6879614 10810822 13062434 13759228 21621644 26124868 37837877 59459521 75675754 118919042 151351508 237838084 416216647 654054731 832433294 1308109462 1664866588 2616218924 4578383117 9156766234 18313532468
• Sum of all divisors σ(n): 40344572352
• Sum of proper divisors (its aliquot sum) s(n): 22031039884
• 18313532468 is an abundant number, because the sum of its proper divisors (22031039884) is greater than itself. Its abundance is 3717507416

Bases of 18313532468

• Binary: 10001000011100100100101010000110100₂
• Hexadecimal: 0x443925434
• Base-36: 8EVEK38

Squares and roots of 18313532468

• 18313532468 squared (18313532468²) is 335385471456490171024
• 18313532468 cubed (18313532468³) is 6142092720813919996370896807232
• The square root of 18313532468 is 135327.5007823615
• The cube root of 18313532468 is 2635.8703258485

Scales and comparisons

• 18,313,532,468 seconds is equal to 582 years, 16 weeks, 2 days, 4 hours, 21 minutes, 8 seconds.
• To count from 1 to 18,313,532,468 would take you about one thousand, one hundred sixty-four 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 18313532468 cubic inches would be around 219.7 feet tall.

Recreational maths with 18313532468

• 18313532468 backwards is 86423531381
• 18313532468 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18313532468's digits is 44
• More coming soon!