18465808128

Names of 18465808128

• Cardinal: 18465808128 can be written as Eighteen billion, four hundred sixty-five million, eight hundred eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8465808128 × 10¹⁰

Factors of 18465808128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2496

Divisors of 18465808128

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 83 96 127 128 166 192 249 254 256 332 381 384 498 508 664 762 768 996 1016 1328 1524 1992 2032 2281 2656 3048 3984 4064 4562 5312 6096 6843 7968 8128 9124 10541 10624 12192 13686 15936 16256 18248 21082 21248 24384 27372 31623 31872 32512 36496 42164 48768 54744 63246 63744 72992 84328 97536 109488 126492 145984 168656 189323 218976 252984 289687 291968 337312 378646 437952 505968 567969 579374 583936 674624 757292 869061 875904 1011936 1135938 1158748 1349248 1514584 1738122 1751808 2023872 2271876 2317496 2698496 3029168 3476244 4047744 4543752 4634992 6058336 6952488 8095488 9087504 9269984 12116672 13904976 18175008 18539968 24044021 24233344 27809952 36350016 37079936 48088042 48466688 55619904 72132063 72700032 74159872 96176084 111239808 144264126 145400064 192352168 222479616 288528252 384704336 577056504 769408672 1154113008 1538817344 2308226016 3077634688 4616452032 6155269376 9232904064 18465808128
• Sum of all divisors σ(n): 50151714816
• Sum of proper divisors (its aliquot sum) s(n): 31685906688
• 18465808128 is an abundant number, because the sum of its proper divisors (31685906688) is greater than itself. Its abundance is 13220098560

Bases of 18465808128

• Binary: 10001001100101001011101111100000000₂
• Hexadecimal: 0x44CA5DF00
• Base-36: 8HE2CQO

Squares and roots of 18465808128

• 18465808128 squared (18465808128²) is 340986069820110864384
• 18465808128 cubed (18465808128³) is 6296583339618978697403172913152
• The square root of 18465808128 is 135888.9551361699
• The cube root of 18465808128 is 2643.1558586707

Scales and comparisons

• 18,465,808,128 seconds is equal to 587 years, 8 weeks, 15 hours, 8 minutes, 48 seconds.
• To count from 1 to 18,465,808,128 would take you about one thousand, one hundred seventy-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 18465808128 cubic inches would be around 220.3 feet tall.

Recreational maths with 18465808128

• 18465808128 backwards is 82180856481
• The number of decimal digits it has is: 11
• The sum of 18465808128's digits is 51
• More coming soon!