18038272122

Names of 18038272122

• Cardinal: 18038272122 can be written as Eighteen billion, thirty-eight million, two hundred seventy-two thousand, one hundred twenty-two.

Scientific notation

• Scientific notation: 1.8038272122 × 10¹⁰

Factors of 18038272122

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 199

Divisors of 18038272122

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 78 117 169 181 234 338 362 507 543 1014 1086 1521 1629 2353 3042 3258 4706 7059 14118 21177 30589 32761 42354 61178 65522 91767 98283 183534 196566 275301 294849 425893 550602 589698 851786 1277679 2555358 3833037 5536609 5929741 7666074 11073218 11859482 16609827 17789223 33219654 35578446 49829481 53367669 77086633 99658962 106735338 154173266 231259899 462519798 693779697 1002126229 1387559394 2004252458 3006378687 6012757374 9019136061 18038272122
• Sum of all divisors σ(n): 42555675708
• Sum of proper divisors (its aliquot sum) s(n): 24517403586
• 18038272122 is an abundant number, because the sum of its proper divisors (24517403586) is greater than itself. Its abundance is 6479131464

Bases of 18038272122

• Binary: 10000110011001010100011000001111010₂
• Hexadecimal: 0x4332A307A
• Base-36: 8ABIRUI

Squares and roots of 18038272122

• 18038272122 squared (18038272122²) is 325379261147322382884
• 18038272122 cubed (18038272122³) is 5869279655430703074123067159848
• The square root of 18038272122 is 134306.6346909191
• The cube root of 18038272122 is 2622.5975114377

Scales and comparisons

• 18,038,272,122 seconds is equal to 573 years, 29 weeks, 1 day, 7 hours, 8 minutes, 42 seconds.
• To count from 1 to 18,038,272,122 would take you about one thousand, one hundred forty-seven 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 18038272122 cubic inches would be around 218.5 feet tall.

Recreational maths with 18038272122

• 18038272122 backwards is 22127283081
• The number of decimal digits it has is: 11
• The sum of 18038272122's digits is 36
• More coming soon!