3863897940

Names of 3863897940

• Cardinal: 3863897940 can be written as Three billion, eight hundred sixty-three million, eight hundred ninety-seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.86389794 × 10⁹

Factors of 3863897940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 45365

Divisors of 3863897940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 29 30 35 42 49 58 60 70 84 87 98 105 116 140 145 147 174 196 203 210 245 290 294 348 406 420 435 490 580 588 609 735 812 870 980 1015 1218 1421 1470 1740 2030 2436 2842 2940 3045 4060 4263 5684 6090 7105 8526 12180 14210 17052 21315 28420 42630 45319 85260 90638 135957 181276 226595 271914 317233 453190 543828 634466 679785 906380 951699 1268932 1314251 1359570 1586165 1903398 2220631 2628502 2719140 3172330 3806796 3942753 4441262 4758495 5257004 6344660 6571255 6661893 7885506 8882524 9199757 9516990 11103155 13142510 13323786 15771012 18399514 19033980 19713765 22206310 26285020 26647572 27599271 33309465 36799028 39427530 44412620 45998785 55198542 64398299 66618930 78855060 91997570 110397084 128796598 133237860 137996355 183995140 193194897 257593196 275992710 321991495 386389794 551985420 643982990 772779588 965974485 1287965980 1931948970 3863897940
• Sum of all divisors σ(n): 13019529600
• Sum of proper divisors (its aliquot sum) s(n): 9155631660
• 3863897940 is an abundant number, because the sum of its proper divisors (9155631660) is greater than itself. Its abundance is 5291733720

Bases of 3863897940

• Binary: 11100110010011100110011101010100₂
• Hexadecimal: 0xE64E6754
• Base-36: 1RWGQQC

Squares and roots of 3863897940

• 3863897940 squared (3863897940²) is 14929707290736243600
• 3863897940 cubed (3863897940³) is 57686865245478752729378184000
• The square root of 3863897940 is 62160.2601345909
• The cube root of 3863897940 is 1569.1888570973

Scales and comparisons

• 3,863,897,940 seconds is equal to 122 years, 44 weeks, 5 days, 59 minutes.
• To count from 1 to 3,863,897,940 would take you about two hundred forty-five 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 3863897940 cubic inches would be around 130.8 feet tall.

Recreational maths with 3863897940

• 3863897940 backwards is 0497983683
• The number of decimal digits it has is: 10
• The sum of 3863897940's digits is 57
• More coming soon!