18022992

Names of 18022992

• Cardinal: 18022992 can be written as Eighteen million, twenty-two thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8022992 × 10⁷

Factors of 18022992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1734

Divisors of 18022992

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 24 26 34 39 48 51 52 68 78 102 104 136 156 204 208 221 272 312 408 442 624 663 816 884 1326 1699 1768 2652 3398 3536 5097 5304 6796 10194 10608 13592 20388 22087 27184 28883 40776 44174 57766 66261 81552 86649 88348 115532 132522 173298 176696 231064 265044 346596 353392 375479 462128 530088 693192 750958 1060176 1126437 1386384 1501916 2252874 3003832 4505748 6007664 9011496 18022992
• Sum of all divisors σ(n): 53121600
• Sum of proper divisors (its aliquot sum) s(n): 35098608
• 18022992 is an abundant number, because the sum of its proper divisors (35098608) is greater than itself. Its abundance is 17075616

Bases of 18022992

• Binary: 1000100110000001001010000₂
• Hexadecimal: 0x1130250
• Base-36: AQAMO

Squares and roots of 18022992

• 18022992 squared (18022992²) is 324828240632064
• 18022992 cubed (18022992³) is 5854376782285764415488
• The square root of 18022992 is 4245.3494555807
• The cube root of 18022992 is 262.1856772887

Scales and comparisons

• 18,022,992 seconds is equal to 29 weeks, 5 days, 14 hours, 23 minutes, 12 seconds.
• To count from 1 to 18,022,992 would take you about forty-four weeks!

  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 18022992 cubic inches would be around 21.8 feet tall.

Recreational maths with 18022992

• 18022992 backwards is 29922081
• The number of decimal digits it has is: 8
• The sum of 18022992's digits is 33
• More coming soon!