3981040128

Names of 3981040128

• Cardinal: 3981040128 can be written as Three billion, nine hundred eighty-one million, forty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.981040128 × 10⁹

Factors of 3981040128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 66475

Divisors of 3981040128

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 416 468 512 576 624 768 832 936 1152 1248 1536 1664 1872 2304 2496 3328 3744 4608 4992 6656 7488 9984 14976 19968 29952 59904 66457 132914 199371 265828 398742 531656 598113 797484 863941 1063312 1196226 1594968 1727882 2126624 2392452 2591823 3189936 3455764 4253248 4784904 5183646 6379872 6911528 7775469 8506496 9569808 10367292 12759744 13823056 15550938 17012992 19139616 20734584 25519488 27646112 31101876 34025984 38279232 41469168 51038976 55292224 62203752 76558464 82938336 102077952 110584448 124407504 153116928 165876672 221168896 248815008 306233856 331753344 442337792 497630016 663506688 995260032 1327013376 1990520064 3981040128
• Sum of all divisors σ(n): 12373549188
• Sum of proper divisors (its aliquot sum) s(n): 8392509060
• 3981040128 is an abundant number, because the sum of its proper divisors (8392509060) is greater than itself. Its abundance is 4411468932

Bases of 3981040128

• Binary: 11101101010010011101101000000000₂
• Hexadecimal: 0xED49DA00
• Base-36: 1TU7I80

Squares and roots of 3981040128

• 3981040128 squared (3981040128²) is 15848680500746256384
• 3981040128 cubed (3981040128³) is 63094233049321980610480177152
• The square root of 3981040128 is 63095.4842124221
• The cube root of 3981040128 is 1584.8890020357

Scales and comparisons

• 3,981,040,128 seconds is equal to 126 years, 30 weeks, 2 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 3,981,040,128 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 3981040128 cubic inches would be around 132.1 feet tall.

Recreational maths with 3981040128

• 3981040128 backwards is 8210401893
• 3981040128 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3981040128's digits is 36
• More coming soon!