90381984

Names of 90381984

• Cardinal: 90381984 can be written as Ninety million, three hundred eighty-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 9.0381984 × 10⁷

Factors of 90381984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12250

Divisors of 90381984

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 132 154 168 176 224 231 264 308 336 352 462 528 616 672 924 1056 1232 1848 2464 3696 7392 12227 24454 36681 48908 73362 85589 97816 134497 146724 171178 195632 256767 268994 293448 342356 391264 403491 513534 537988 586896 684712 806982 941479 1027068 1075976 1173792 1369424 1613964 1882958 2054136 2151952 2738848 2824437 3227928 3765916 4108272 4303904 5648874 6455856 7531832 8216544 11297748 12911712 15063664 22595496 30127328 45190992 90381984
• Sum of all divisors σ(n): 295819776
• Sum of proper divisors (its aliquot sum) s(n): 205437792
• 90381984 is an abundant number, because the sum of its proper divisors (205437792) is greater than itself. Its abundance is 115055808

Bases of 90381984

• Binary: 101011000110001111010100000₂
• Hexadecimal: 0x5631EA0
• Base-36: 1HT76O

Squares and roots of 90381984

• 90381984 squared (90381984²) is 8168903031776256
• 90381984 cubed (90381984³) is 738321663115553061371904
• The square root of 90381984 is 9506.9439884749
• The cube root of 90381984 is 448.7735890229

Scales and comparisons

• 90,381,984 seconds is equal to 2 years, 45 weeks, 3 days, 2 hours, 6 minutes, 24 seconds.
• To count from 1 to 90,381,984 would take you about four 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 90381984 cubic inches would be around 37.4 feet tall.

Recreational maths with 90381984

• 90381984 backwards is 48918309
• 90381984 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 90381984's digits is 42
• More coming soon!