137872728

Names of 137872728

• Cardinal: 137872728 can be written as One hundred thirty-seven million, eight hundred seventy-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.37872728 × 10⁸

Factors of 137872728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9474

Divisors of 137872728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 29 36 42 56 58 63 72 84 87 116 126 168 174 203 232 252 261 348 406 504 522 609 696 812 1044 1218 1624 1827 2088 2436 3654 4872 7308 9433 14616 18866 28299 37732 56598 66031 75464 84897 113196 132062 169794 198093 226392 264124 273557 339588 396186 528248 547114 594279 679176 792372 820671 1094228 1188558 1584744 1641342 1914899 2188456 2377116 2462013 3282684 3829798 4754232 4924026 5744697 6565368 7659596 9848052 11489394 15319192 17234091 19696104 22978788 34468182 45957576 68936364 137872728
• Sum of all divisors σ(n): 441511200
• Sum of proper divisors (its aliquot sum) s(n): 303638472
• 137872728 is an abundant number, because the sum of its proper divisors (303638472) is greater than itself. Its abundance is 165765744

Bases of 137872728

• Binary: 1000001101111100010101011000₂
• Hexadecimal: 0x837C558
• Base-36: 2A33A0

Squares and roots of 137872728

• 137872728 squared (137872728²) is 19008889126161984
• 137872728 cubed (137872728³) is 2620807400073488903972352
• The square root of 137872728 is 11741.9218188507
• The cube root of 137872728 is 516.6060123501

Scales and comparisons

• 137,872,728 seconds is equal to 4 years, 19 weeks, 6 days, 17 hours, 58 minutes, 48 seconds.
• To count from 1 to 137,872,728 would take you about 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 137872728 cubic inches would be around 43.1 feet tall.

Recreational maths with 137872728

• 137872728 backwards is 827278731
• The number of decimal digits it has is: 9
• The sum of 137872728's digits is 45
• More coming soon!