397428339

Names of 397428339

• Cardinal: 397428339 can be written as Three hundred ninety-seven million, four hundred twenty-eight thousand, three hundred thirty-nine.

Scientific notation

• Scientific notation: 3.97428339 × 10⁸

Factors of 397428339

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 221

Divisors of 397428339

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 19 21 23 31 33 57 69 77 93 127 133 161 209 217 231 253 341 381 399 437 483 589 627 651 713 759 889 1023 1311 1397 1463 1767 1771 2139 2387 2413 2667 2921 3059 3937 4123 4191 4389 4807 4991 5313 6479 7161 7239 7843 8763 9177 9779 11811 12369 13547 14421 14973 16891 19437 20447 23529 26543 27559 29337 32131 33649 40641 43307 45353 50673 54901 55499 61341 74803 79629 82677 90551 94829 96393 100947 129921 136059 149017 164703 166497 185801 224409 224917 271653 284487 303149 388493 447051 523621 557403 610489 633857 674751 822833 909447 996061 1043119 1165479 1570863 1720469 1831467 1901571 2468499 2988183 3129357 4273423 5161407 5759831 6972427 12043283 12820269 17279493 18925159 20917281 36129849 56775477 132476113 397428339
• Sum of all divisors σ(n): 754974720
• Sum of proper divisors (its aliquot sum) s(n): 357546381
• 397428339 is a deficient number, because the sum of its proper divisors (357546381) is less than itself. Its deficiency is 39881958

Bases of 397428339

• Binary: 10111101100000100011001110011₂
• Hexadecimal: 0x17B04673
• Base-36: 6KM9O3

Squares and roots of 397428339

• 397428339 squared (397428339²) is 157949284640298921
• 397428339 cubed (397428339³) is 62773521840832212636522219
• The square root of 397428339 is 19935.6048064763
• The cube root of 397428339 is 735.2238903291

Scales and comparisons

• 397,428,339 seconds is equal to 12 years, 33 weeks, 20 hours, 45 minutes, 39 seconds.
• To count from 1 to 397,428,339 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 397428339 cubic inches would be around 61.3 feet tall.

Recreational maths with 397428339

• 397428339 backwards is 933824793
• The number of decimal digits it has is: 9
• The sum of 397428339's digits is 48
• More coming soon!