164421980128

Names of 164421980128

• Cardinal: 164421980128 can be written as One hundred sixty-four billion, four hundred twenty-one million, nine hundred eighty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.64421980128 × 10¹¹

Factors of 164421980128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6597

Divisors of 164421980128

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 56 68 112 119 136 224 238 272 476 544 952 1904 3808 6571 13142 26284 45997 52568 91994 105136 111707 183988 210272 223414 367976 446828 735952 781949 893656 1471904 1563898 1787312 3127796 3574624 6255592 12511184 25022368 43178041 86356082 172712164 302246287 345424328 604492574 690848656 734026697 1208985148 1381697312 1468053394 2417970296 2936106788 4835940592 5138186879 5872213576 9671881184 10276373758 11744427152 20552747516 23488854304 41105495032 82210990064 164421980128
• Sum of all divisors σ(n): 391770809136
• Sum of proper divisors (its aliquot sum) s(n): 227348829008
• 164421980128 is an abundant number, because the sum of its proper divisors (227348829008) is greater than itself. Its abundance is 62926848880

Bases of 164421980128

• Binary: 10011001001000010100000100111111100000₂
• Hexadecimal: 0x2648504FE0
• Base-36: 23J8LNTS

Squares and roots of 164421980128

• 164421980128 squared (164421980128²) is 27034587549212426896384
• 164421980128 cubed (164421980128³) is 4445080416785281877207902763057152
• The square root of 164421980128 is 405489.8027423131
• The cube root of 164421980128 is 5478.3943575885

Scales and comparisons

• 164,421,980,128 seconds is equal to 5,228 years, 5 weeks, 5 days, 4 hours, 15 minutes, 28 seconds.
• To count from 1 to 164,421,980,128 would take you about ten thousand, four hundred fifty-six 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 164421980128 cubic inches would be around 456.5 feet tall.

Recreational maths with 164421980128

• 164421980128 backwards is 821089124461
• The number of decimal digits it has is: 12
• The sum of 164421980128's digits is 46
• More coming soon!