82857138

Names of 82857138

• Cardinal: 82857138 can be written as Eighty-two million, eight hundred fifty-seven thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 8.2857138 × 10⁷

Factors of 82857138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 207

Divisors of 82857138

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 13 14 19 21 26 38 39 42 49 57 78 91 98 114 133 147 163 182 247 266 273 294 326 343 399 489 494 546 637 686 741 798 931 978 1029 1141 1274 1482 1729 1862 1911 2058 2119 2282 2793 3097 3423 3458 3822 4238 4459 5187 5586 6194 6357 6517 6846 7987 8918 9291 10374 12103 12714 13034 13377 14833 15974 18582 19551 21679 23961 24206 26754 29666 36309 39102 40261 43358 44499 47922 55909 65037 72618 80522 84721 88998 103831 111818 120783 130074 151753 167727 169442 207662 241566 254163 281827 303506 311493 335454 455259 508326 563654 622986 726817 845481 910518 1062271 1453634 1690962 1972789 2124542 2180451 3186813 3945578 4360902 5918367 6373626 11836734 13809523 27619046 41428569 82857138
• Sum of all divisors σ(n): 220416000
• Sum of proper divisors (its aliquot sum) s(n): 137558862
• 82857138 is an abundant number, because the sum of its proper divisors (137558862) is greater than itself. Its abundance is 54701724

Bases of 82857138

• Binary: 100111100000100110010110010₂
• Hexadecimal: 0x4F04CB2
• Base-36: 1DBWZ6

Squares and roots of 82857138

• 82857138 squared (82857138²) is 6865305317551044
• 82857138 cubed (82857138³) is 568839550108460674752072
• The square root of 82857138 is 9102.5896315283
• The cube root of 82857138 is 435.9566526779

Scales and comparisons

• 82,857,138 seconds is equal to 2 years, 32 weeks, 6 days, 23 hours, 52 minutes, 18 seconds.
• To count from 1 to 82,857,138 would take you about three 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 82857138 cubic inches would be around 36.3 feet tall.

Recreational maths with 82857138

• 82857138 backwards is 83175828
• 82857138 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 82857138's digits is 42
• More coming soon!