18005636349

Names of 18005636349

• Cardinal: 18005636349 can be written as Eighteen billion, five million, six hundred thirty-six thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 1.8005636349 × 10¹⁰

Factors of 18005636349

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 150

Divisors of 18005636349

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 19 31 57 93 97 171 279 291 361 589 873 1083 1767 1843 3007 3249 5301 5529 6859 9021 9409 11191 16587 20577 27063 28227 33573 35017 57133 61731 84681 100719 105051 171399 178771 212629 291679 315153 514197 536313 637887 665323 875037 1085527 1608939 1913661 1995969 2625111 3256581 3396649 5541901 5987907 9769743 10189947 16625703 20625013 30569841 49877109 61875039 64536331 105296119 185625117 193608993 315888357 580826979 947665071 2000626261 6001878783 18005636349
• Sum of all divisors σ(n): 28633562880
• Sum of proper divisors (its aliquot sum) s(n): 10627926531
• 18005636349 is a deficient number, because the sum of its proper divisors (10627926531) is less than itself. Its deficiency is 7377709818

Bases of 18005636349

• Binary: 10000110001001110000011010011111101₂
• Hexadecimal: 0x4313834FD
• Base-36: 89S39X9

Squares and roots of 18005636349

• 18005636349 squared (18005636349²) is 324202940332430049801
• 18005636349 cubed (18005636349³) is 5837480246902280648196765816549
• The square root of 18005636349 is 134185.0824383993
• The cube root of 18005636349 is 2621.0149103497

Scales and comparisons

• 18,005,636,349 seconds is equal to 572 years, 27 weeks, 1 day, 13 hours, 39 minutes, 9 seconds.
• To count from 1 to 18,005,636,349 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 18005636349 cubic inches would be around 218.4 feet tall.

Recreational maths with 18005636349

• 18005636349 backwards is 94363650081
• The number of decimal digits it has is: 11
• The sum of 18005636349's digits is 45
• More coming soon!