90997992

Names of 90997992

• Cardinal: 90997992 can be written as Ninety million, nine hundred ninety-seven thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 9.0997992 × 10⁷

Factors of 90997992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 413

Divisors of 90997992

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 81 108 114 152 162 171 216 228 324 342 361 389 456 513 648 684 722 778 1026 1083 1167 1368 1444 1539 1556 2052 2166 2334 2888 3078 3112 3249 3501 4104 4332 4668 6156 6498 7002 7391 8664 9336 9747 10503 12312 12996 14004 14782 19494 21006 22173 25992 28008 29241 29564 31509 38988 42012 44346 58482 59128 63018 66519 77976 84024 88692 116964 126036 133038 140429 177384 199557 233928 252072 266076 280858 399114 421287 532152 561716 598671 798228 842574 1123432 1197342 1263861 1596456 1685148 2394684 2527722 3370296 3791583 4789368 5055444 7583166 10110888 11374749 15166332 22749498 30332664 45498996 90997992
• Sum of all divisors σ(n): 269690850
• Sum of proper divisors (its aliquot sum) s(n): 178692858
• 90997992 is an abundant number, because the sum of its proper divisors (178692858) is greater than itself. Its abundance is 87694866

Bases of 90997992

• Binary: 101011011001000010011101000₂
• Hexadecimal: 0x56C84E8
• Base-36: 1I6EI0

Squares and roots of 90997992

• 90997992 squared (90997992²) is 8280634548032064
• 90997992 cubed (90997992³) is 753521116356745375615488
• The square root of 90997992 is 9539.2867657911
• The cube root of 90997992 is 449.7908361273

Scales and comparisons

• 90,997,992 seconds is equal to 2 years, 46 weeks, 3 days, 5 hours, 13 minutes, 12 seconds.
• To count from 1 to 90,997,992 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 90997992 cubic inches would be around 37.5 feet tall.

Recreational maths with 90997992

• 90997992 backwards is 29979909
• 90997992 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 90997992's digits is 54
• More coming soon!