90425478

Names of 90425478

• Cardinal: 90425478 can be written as Ninety million, four hundred twenty-five thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 9.0425478 × 10⁷

Factors of 90425478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 96

Divisors of 90425478

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 11 13 22 26 33 39 66 67 78 121 134 143 169 201 242 286 338 363 402 429 507 726 737 858 871 1014 1331 1474 1573 1742 1859 2211 2613 2662 3146 3718 3993 4422 4719 5226 5577 7986 8107 9438 9581 11154 11323 16214 17303 19162 20449 22646 24321 28743 33969 34606 40898 48642 51909 57486 61347 67938 89177 103818 105391 122694 124553 178354 210782 224939 249106 267531 316173 373659 449878 535062 632346 674817 747318 1159301 1349634 1370083 2318602 2740166 3477903 4110249 6955806 8220498 15070913 30141826 45212739 90425478
• Sum of all divisors σ(n): 218616192
• Sum of proper divisors (its aliquot sum) s(n): 128190714
• 90425478 is an abundant number, because the sum of its proper divisors (128190714) is greater than itself. Its abundance is 37765236

Bases of 90425478

• Binary: 101011000111100100010000110₂
• Hexadecimal: 0x563C886
• Base-36: 1HU4QU

Squares and roots of 90425478

• 90425478 squared (90425478²) is 8176767071528484
• 90425478 cubed (90425478³) is 739388070937623356315352
• The square root of 90425478 is 9509.2311992085
• The cube root of 90425478 is 448.8455643859

Scales and comparisons

• 90,425,478 seconds is equal to 2 years, 45 weeks, 3 days, 14 hours, 11 minutes, 18 seconds.
• To count from 1 to 90,425,478 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 90425478 cubic inches would be around 37.4 feet tall.

Recreational maths with 90425478

• 90425478 backwards is 87452409
• 90425478 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 90425478's digits is 39
• More coming soon!