90144340

Names of 90144340

• Cardinal: 90144340 can be written as Ninety million, one hundred forty-four thousand, three hundred forty.

Scientific notation

• Scientific notation: 9.014434 × 10⁷

Factors of 90144340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 807

Divisors of 90144340

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 13 20 22 26 43 44 52 55 65 86 110 130 143 172 215 220 260 286 430 473 559 572 715 733 860 946 1118 1430 1466 1892 2236 2365 2795 2860 2932 3665 4730 5590 6149 7330 8063 9460 9529 11180 12298 14660 16126 19058 24596 30745 31519 32252 38116 40315 47645 61490 63038 80630 95290 104819 122980 126076 157595 161260 190580 209638 315190 346709 409747 419276 524095 630380 693418 819494 1048190 1386836 1638988 1733545 2048735 2096380 3467090 4097470 4507217 6934180 8194940 9014434 18028868 22536085 45072170 90144340
• Sum of all divisors σ(n): 227880576
• Sum of proper divisors (its aliquot sum) s(n): 137736236
• 90144340 is an abundant number, because the sum of its proper divisors (137736236) is greater than itself. Its abundance is 47591896

Bases of 90144340

• Binary: 101010111110111111001010100₂
• Hexadecimal: 0x55F7E54
• Base-36: 1HO3TG

Squares and roots of 90144340

• 90144340 squared (90144340²) is 8126002034035600
• 90144340 cubed (90144340³) is 732513090196796698504000
• The square root of 90144340 is 9494.4373187673
• The cube root of 90144340 is 448.3799192741

Scales and comparisons

• 90,144,340 seconds is equal to 2 years, 45 weeks, 8 hours, 5 minutes, 40 seconds.
• To count from 1 to 90,144,340 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 90144340 cubic inches would be around 37.4 feet tall.

Recreational maths with 90144340

• 90144340 backwards is 04344109
• The number of decimal digits it has is: 8
• The sum of 90144340's digits is 25
• More coming soon!