42171948

Names of 42171948

• Cardinal: 42171948 can be written as Forty-two million, one hundred seventy-one thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 4.2171948 × 10⁷

Factors of 42171948

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 638

Divisors of 42171948

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 49 52 54 63 78 84 91 98 108 117 126 147 156 182 189 196 234 252 273 294 351 364 378 441 468 546 588 613 637 702 756 819 882 1092 1226 1274 1323 1404 1638 1764 1839 1911 2452 2457 2548 2646 3276 3678 3822 4291 4914 5292 5517 5733 7356 7644 7969 8582 9828 11034 11466 12873 15938 16551 17164 17199 22068 22932 23907 25746 30037 31876 33102 34398 38619 47814 51492 55783 60074 66204 68796 71721 77238 90111 95628 111566 115857 120148 143442 154476 167349 180222 215163 223132 231714 270333 286884 334698 360444 390481 430326 463428 502047 540666 669396 780962 810999 860652 1004094 1081332 1171443 1506141 1561924 1621998 2008188 2342886 3012282 3243996 3514329 4685772 6024564 7028658 10542987 14057316 21085974 42171948
• Sum of all divisors σ(n): 137192160
• Sum of proper divisors (its aliquot sum) s(n): 95020212
• 42171948 is an abundant number, because the sum of its proper divisors (95020212) is greater than itself. Its abundance is 52848264

Bases of 42171948

• Binary: 10100000110111111000101100₂
• Hexadecimal: 0x2837E2C
• Base-36: P3W30

Squares and roots of 42171948

• 42171948 squared (42171948²) is 1778473198114704
• 42171948 cubed (42171948³) is 75001679230286995123392
• The square root of 42171948 is 6493.9932245115
• The cube root of 42171948 is 348.0763803807

Scales and comparisons

• 42,171,948 seconds is equal to 1 year, 17 weeks, 5 days, 2 hours, 25 minutes, 48 seconds.
• To count from 1 to 42,171,948 would take you about two 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 42171948 cubic inches would be around 29 feet tall.

Recreational maths with 42171948

• 42171948 backwards is 84917124
• 42171948 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42171948's digits is 36
• More coming soon!