390734442

Names of 390734442

• Cardinal: 390734442 can be written as Three hundred ninety million, seven hundred thirty-four thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 3.90734442 × 10⁸

Factors of 390734442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 317

Divisors of 390734442

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 27 42 46 54 63 69 71 81 126 138 142 161 162 189 207 211 213 322 378 414 422 426 483 497 567 621 633 639 966 994 1134 1242 1266 1278 1449 1477 1491 1633 1863 1899 1917 2898 2954 2982 3266 3726 3798 3834 4347 4431 4473 4853 4899 5697 5751 8694 8862 8946 9706 9798 11394 11431 11502 13041 13293 13419 14559 14697 14981 17091 22862 26082 26586 26838 29118 29394 29962 33971 34182 34293 39879 40257 43677 44091 44943 67942 68586 79758 80514 87354 88182 89886 101913 102879 104867 119637 131031 132273 134829 203826 205758 209734 239274 262062 264546 269658 305739 308637 314601 344563 393093 404487 611478 617274 629202 689126 786186 808974 917217 925911 943803 1033689 1213461 1834434 1851822 1887606 2067378 2411941 2426922 2751651 2831409 3101067 4823882 5503302 5662818 6202134 7235823 8494227 9303201 14471646 16988454 18606402 21707469 27909603 43414938 55819206 65122407 130244814 195367221 390734442
• Sum of all divisors σ(n): 1063839744
• Sum of proper divisors (its aliquot sum) s(n): 673105302
• 390734442 is an abundant number, because the sum of its proper divisors (673105302) is greater than itself. Its abundance is 282370860

Bases of 390734442

• Binary: 10111010010100010001001101010₂
• Hexadecimal: 0x174A226A
• Base-36: 6GMSMI

Squares and roots of 390734442

• 390734442 squared (390734442²) is 152673404165051364
• 390734442 cubed (390734442³) is 59654757384671820613878888
• The square root of 390734442 is 19767.0038700861
• The cube root of 390734442 is 731.0726970529

Scales and comparisons

• 390,734,442 seconds is equal to 12 years, 22 weeks, 9 hours, 20 minutes, 42 seconds.
• To count from 1 to 390,734,442 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 390734442 cubic inches would be around 60.9 feet tall.

Recreational maths with 390734442

• 390734442 backwards is 244437093
• The number of decimal digits it has is: 9
• The sum of 390734442's digits is 36
• More coming soon!