639120132

Names of 639120132

• Cardinal: 639120132 can be written as Six hundred thirty-nine million, one hundred twenty thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 6.39120132 × 10⁸

Factors of 639120132

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 83

Divisors of 639120132

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 71 81 84 98 108 126 142 147 162 189 196 213 243 252 284 294 324 343 378 426 441 486 497 567 588 639 686 729 756 852 882 972 994 1029 1134 1278 1323 1372 1458 1491 1701 1764 1917 1988 2058 2187 2268 2556 2646 2916 2982 3087 3402 3479 3834 3969 4116 4374 4473 5103 5292 5751 5964 6174 6561 6804 6958 7668 7938 8748 8946 9261 10206 10437 11502 11907 12348 13122 13419 13916 15309 15876 17253 17892 18522 20412 20874 23004 23814 24353 26244 26838 27783 30618 31311 34506 35721 37044 40257 41748 45927 47628 48706 51759 53676 55566 61236 62622 69012 71442 73059 80514 83349 91854 93933 97412 103518 107163 111132 120771 125244 142884 146118 155277 161028 166698 183708 187866 207036 214326 219177 241542 250047 281799 292236 310554 321489 333396 362313 375732 428652 438354 465831 483084 500094 563598 621108 642978 657531 724626 750141 845397 876708 931662 1000188 1086939 1127196 1285956 1315062 1449252 1500282 1690794 1863324 1972593 2173878 2250423 2536191 2630124 3000564 3260817 3381588 3945186 4347756 4500846 5072382 5917779 6521634 7608573 7890372 9001692 10144764 11835558 13043268 15217146 17753337 22825719 23671116 30434292 35506674 45651438 53260011 71013348 91302876 106520022 159780033 213040044 319560066 639120132
• Sum of all divisors σ(n): 1983945600
• Sum of proper divisors (its aliquot sum) s(n): 1344825468
• 639120132 is an abundant number, because the sum of its proper divisors (1344825468) is greater than itself. Its abundance is 705705336

Bases of 639120132

• Binary: 100110000110000011001100000100₂
• Hexadecimal: 0x26183304
• Base-36: AKIK90

Squares and roots of 639120132

• 639120132 squared (639120132²) is 408474543127697424
• 639120132 cubed (639120132³) is 261064303922413670482939968
• The square root of 639120132 is 25280.8253820955
• The cube root of 639120132 is 861.3787744501

Scales and comparisons

• 639,120,132 seconds is equal to 20 years, 16 weeks, 5 days, 5 hours, 22 minutes, 12 seconds.
• To count from 1 to 639,120,132 would take you about thirty 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 639120132 cubic inches would be around 71.8 feet tall.

Recreational maths with 639120132

• 639120132 backwards is 231021936
• 639120132 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 639120132's digits is 27
• More coming soon!