71444940

Names of 71444940

• Cardinal: 71444940 can be written as Seventy-one million, four hundred forty-four thousand, nine hundred forty.

Scientific notation

• Scientific notation: 7.144494 × 10⁷

Factors of 71444940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1315

Divisors of 71444940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 49 57 60 70 76 84 95 98 105 114 133 140 147 190 196 210 228 245 266 285 294 380 399 420 490 532 570 588 665 735 798 931 980 1140 1279 1330 1470 1596 1862 1995 2558 2660 2793 2940 3724 3837 3990 4655 5116 5586 6395 7674 7980 8953 9310 11172 12790 13965 15348 17906 18620 19185 24301 25580 26859 27930 35812 38370 44765 48602 53718 55860 62671 72903 76740 89530 97204 107436 121505 125342 134295 145806 170107 179060 188013 243010 250684 268590 291612 313355 340214 364515 376026 486020 510321 537180 626710 680428 729030 752052 850535 940065 1020642 1190749 1253420 1458060 1701070 1880130 2041284 2381498 2551605 3402140 3572247 3760260 4762996 5103210 5953745 7144494 10206420 11907490 14288988 17861235 23814980 35722470 71444940
• Sum of all divisors σ(n): 245145600
• Sum of proper divisors (its aliquot sum) s(n): 173700660
• 71444940 is an abundant number, because the sum of its proper divisors (173700660) is greater than itself. Its abundance is 102255720

Bases of 71444940

• Binary: 100010000100010100111001100₂
• Hexadecimal: 0x44229CC
• Base-36: 16JB9O

Squares and roots of 71444940

• 71444940 squared (71444940²) is 5104379451603600
• 71444940 cubed (71444940³) is 364682083657052105784000
• The square root of 71444940 is 8452.5108695583
• The cube root of 71444940 is 414.9449581037

Scales and comparisons

• 71,444,940 seconds is equal to 2 years, 14 weeks, 21 hours, 49 minutes.
• To count from 1 to 71,444,940 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 71444940 cubic inches would be around 34.6 feet tall.

Recreational maths with 71444940

• 71444940 backwards is 04944417
• The number of decimal digits it has is: 8
• The sum of 71444940's digits is 33
• More coming soon!