18005037372

Names of 18005037372

• Cardinal: 18005037372 can be written as Eighteen billion, five million, thirty-seven thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 1.8005037372 × 10¹⁰

Factors of 18005037372

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 98021

Divisors of 18005037372

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 729 756 972 1134 1458 1701 2187 2268 2916 3402 4374 5103 6561 6804 8748 10206 13122 15309 20412 26244 30618 45927 61236 91854 98009 183708 196018 294027 392036 588054 686063 882081 1176108 1372126 1764162 2058189 2646243 2744252 3528324 4116378 5292486 6174567 7938729 8232756 10584972 12349134 15877458 18523701 23816187 24698268 31754916 37047402 47632374 55571103 71448561 74094804 95264748 111142206 142897122 166713309 214345683 222284412 285794244 333426618 428691366 500139927 643037049 666853236 857382732 1000279854 1286074098 1500419781 2000559708 2572148196 3000839562 4501259343 6001679124 9002518686 18005037372
• Sum of all divisors σ(n): 54012918960
• Sum of proper divisors (its aliquot sum) s(n): 36007881588
• 18005037372 is an abundant number, because the sum of its proper divisors (36007881588) is greater than itself. Its abundance is 18002844216

Bases of 18005037372

• Binary: 10000110001001011110001000100111100₂
• Hexadecimal: 0x4312F113C
• Base-36: 89RQFR0

Squares and roots of 18005037372

• 18005037372 squared (18005037372²) is 324181370767116666384
• 18005037372 cubed (18005037372³) is 5836897695968123886927976102848
• The square root of 18005037372 is 134182.8505137673
• The cube root of 18005037372 is 2620.9858463941

Scales and comparisons

• 18,005,037,372 seconds is equal to 572 years, 26 weeks, 1 day, 15 hours, 16 minutes, 12 seconds.
• To count from 1 to 18,005,037,372 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 18005037372 cubic inches would be around 218.4 feet tall.

Recreational maths with 18005037372

• 18005037372 backwards is 27373050081
• 18005037372 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18005037372's digits is 36
• More coming soon!