18139896512

Names of 18139896512

• Cardinal: 18139896512 can be written as Eighteen billion, one hundred thirty-nine million, eight hundred ninety-six thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.8139896512 × 10¹⁰

Factors of 18139896512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1911

Divisors of 18139896512

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 16 17 31 32 34 62 64 68 124 136 248 272 289 496 527 544 578 992 1054 1088 1156 1861 1984 2108 2312 3722 4216 4624 4913 7444 8432 8959 9248 9826 14888 16864 17918 18496 19652 29776 31637 33728 35836 39304 57691 59552 63274 71672 78608 115382 119104 126548 143344 152303 157216 230764 253096 286688 304606 314432 461528 506192 537829 573376 609212 923056 980747 1012384 1075658 1218424 1846112 1961494 2024768 2151316 2436848 3692224 3922988 4302632 4873696 7845976 8605264 9143093 9747392 15691952 16672699 17210528 18286186 31383904 33345398 34421056 36572372 62767808 66690796 73144744 133381592 146289488 266763184 283435883 292578976 533526368 566871766 585157952 1067052736 1133743532 2267487064 4534974128 9069948256 18139896512
• Sum of all divisors σ(n): 39500616960
• Sum of proper divisors (its aliquot sum) s(n): 21360720448
• 18139896512 is an abundant number, because the sum of its proper divisors (21360720448) is greater than itself. Its abundance is 3220823936

Bases of 18139896512

• Binary: 10000111001001110001101101011000000₂
• Hexadecimal: 0x43938DAC0
• Base-36: 8C00XQ8

Squares and roots of 18139896512

• 18139896512 squared (18139896512²) is 329055845466069766144
• 18139896512 cubed (18139896512³) is 5969038983423169965224201289728
• The square root of 18139896512 is 134684.4330722745
• The cube root of 18139896512 is 2627.5133726097

Scales and comparisons

• 18,139,896,512 seconds is equal to 576 years, 41 weeks, 1 day, 12 hours, 8 minutes, 32 seconds.
• To count from 1 to 18,139,896,512 would take you about one thousand, one hundred fifty-three 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 18139896512 cubic inches would be around 219 feet tall.

Recreational maths with 18139896512

• 18139896512 backwards is 21569893181
• The number of decimal digits it has is: 11
• The sum of 18139896512's digits is 53
• More coming soon!