3981398508

Names of 3981398508

• Cardinal: 3981398508 can be written as Three billion, nine hundred eighty-one million, three hundred ninety-eight thousand, five hundred eight.

Scientific notation

• Scientific notation: 3.981398508 × 10⁹

Factors of 3981398508

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 895

Divisors of 3981398508

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 61 81 108 122 162 183 243 244 324 366 486 549 729 732 829 972 1098 1458 1647 1658 2187 2196 2487 2916 3294 3316 4374 4941 4974 6561 6588 7461 8748 9882 9948 13122 14823 14922 19683 19764 22383 26244 29646 29844 39366 44469 44766 50569 59292 67149 78732 88938 89532 101138 133407 134298 151707 177876 201447 202276 266814 268596 303414 400221 402894 455121 533628 604341 606828 800442 805788 910242 1200663 1208682 1365363 1600884 1813023 1820484 2401326 2417364 2730726 3626046 4096089 4802652 5439069 5461452 7252092 8192178 10878138 12288267 16317207 16384356 21756276 24576534 32634414 36864801 49153068 65268828 73729602 110594403 147459204 221188806 331783209 442377612 663566418 995349627 1327132836 1990699254 3981398508
• Sum of all divisors σ(n): 10635135280
• Sum of proper divisors (its aliquot sum) s(n): 6653736772
• 3981398508 is an abundant number, because the sum of its proper divisors (6653736772) is greater than itself. Its abundance is 2672338264

Bases of 3981398508

• Binary: 11101101010011110101000111101100₂
• Hexadecimal: 0xED4F51EC
• Base-36: 1TUF6R0

Squares and roots of 3981398508

• 3981398508 squared (3981398508²) is 15851534079504626064
• 3981398508 cubed (3981398508³) is 63111274133650871590307512512
• The square root of 3981398508 is 63098.3241298847
• The cube root of 3981398508 is 1584.9365587427

Scales and comparisons

• 3,981,398,508 seconds is equal to 126 years, 31 weeks, 1 minute, 48 seconds.
• To count from 1 to 3,981,398,508 would take you about two hundred fifty-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 3981398508 cubic inches would be around 132.1 feet tall.

Recreational maths with 3981398508

• 3981398508 backwards is 8058931893
• 3981398508 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3981398508's digits is 54
• More coming soon!