90428910

Names of 90428910

• Cardinal: 90428910 can be written as Ninety million, four hundred twenty-eight thousand, nine hundred ten.

Scientific notation

• Scientific notation: 9.042891 × 10⁷

Factors of 90428910

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 338

Divisors of 90428910

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 107 110 130 143 165 195 197 214 286 321 330 390 394 429 535 591 642 715 858 985 1070 1177 1182 1391 1430 1605 1970 2145 2167 2354 2561 2782 2955 3210 3531 4173 4290 4334 5122 5885 5910 6501 6955 7062 7683 8346 10835 11770 12805 13002 13910 15301 15366 17655 20865 21079 21670 25610 28171 30602 32505 35310 38415 41730 42158 45903 56342 63237 65010 76505 76830 84513 91806 105395 126474 140855 153010 169026 210790 229515 231869 274027 281710 316185 422565 459030 463738 548054 632370 695607 822081 845130 1159345 1370135 1391214 1644162 2318690 2740270 3014297 3478035 4110405 6028594 6956070 8220810 9042891 15071485 18085782 30142970 45214455 90428910
• Sum of all divisors σ(n): 258660864
• Sum of proper divisors (its aliquot sum) s(n): 168231954
• 90428910 is an abundant number, because the sum of its proper divisors (168231954) is greater than itself. Its abundance is 77803044

Bases of 90428910

• Binary: 101011000111101010111101110₂
• Hexadecimal: 0x563D5EE
• Base-36: 1HU7E6

Squares and roots of 90428910

• 90428910 squared (90428910²) is 8177387763788100
• 90428910 cubed (90428910³) is 739472262126695353971000
• The square root of 90428910 is 9509.4116537249
• The cube root of 90428910 is 448.8512427947

Scales and comparisons

• 90,428,910 seconds is equal to 2 years, 45 weeks, 3 days, 15 hours, 8 minutes, 30 seconds.
• To count from 1 to 90,428,910 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 90428910 cubic inches would be around 37.4 feet tall.

Recreational maths with 90428910

• 90428910 backwards is 01982409
• 90428910 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 90428910's digits is 33
• More coming soon!