389939022

Names of 389939022

• Cardinal: 389939022 can be written as Three hundred eighty-nine million, nine hundred thirty-nine thousand and twenty-two.

Scientific notation

• Scientific notation: 3.89939022 × 10⁸

Factors of 389939022

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1866

Divisors of 389939022

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 127 162 198 254 297 381 594 762 891 1143 1397 1723 1782 2286 2794 3429 3446 4191 5169 6858 8382 10287 10338 12573 15507 18953 20574 25146 31014 37719 37906 46521 56859 75438 93042 113157 113718 139563 170577 218821 226314 279126 341154 437642 511731 656463 1023462 1312926 1535193 1969389 2407031 3070386 3938778 4814062 5908167 7221093 11816334 14442186 17724501 21663279 35449002 43326558 64989837 129979674 194969511 389939022
• Sum of all divisors σ(n): 961247232
• Sum of proper divisors (its aliquot sum) s(n): 571308210
• 389939022 is an abundant number, because the sum of its proper divisors (571308210) is greater than itself. Its abundance is 181369188

Bases of 389939022

• Binary: 10111001111011111111101001110₂
• Hexadecimal: 0x173DFF4E
• Base-36: 6G5QVI

Squares and roots of 389939022

• 389939022 squared (389939022²) is 152052440878316484
• 389939022 cubed (389939022³) is 59291180088803550777438648
• The square root of 389939022 is 19746.8737272511
• The cube root of 389939022 is 730.5762772999

Scales and comparisons

• 389,939,022 seconds is equal to 12 years, 20 weeks, 5 days, 4 hours, 23 minutes, 42 seconds.
• To count from 1 to 389,939,022 would take you about eighteen 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 389939022 cubic inches would be around 60.9 feet tall.

Recreational maths with 389939022

• 389939022 backwards is 220939983
• The number of decimal digits it has is: 9
• The sum of 389939022's digits is 45
• More coming soon!