138702672

Names of 138702672

• Cardinal: 138702672 can be written as One hundred thirty-eight million, seven hundred two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.38702672 × 10⁸

Factors of 138702672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 237

Divisors of 138702672

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 41 48 54 72 82 108 123 144 164 191 216 246 328 369 382 432 492 573 656 738 764 984 1107 1146 1476 1528 1681 1719 1968 2214 2292 2952 3056 3362 3438 4428 4584 5043 5157 5904 6724 6876 7831 8856 9168 10086 10314 13448 13752 15129 15662 17712 20172 20628 23493 26896 27504 30258 31324 40344 41256 45387 46986 60516 62648 70479 80688 82512 90774 93972 121032 125296 140958 181548 187944 211437 242064 281916 321071 363096 375888 422874 563832 642142 726192 845748 963213 1127664 1284284 1691496 1926426 2568568 2889639 3382992 3852852 5137136 5779278 7705704 8668917 11558556 15411408 17337834 23117112 34675668 46234224 69351336 138702672
• Sum of all divisors σ(n): 410211840
• Sum of proper divisors (its aliquot sum) s(n): 271509168
• 138702672 is an abundant number, because the sum of its proper divisors (271509168) is greater than itself. Its abundance is 132806496

Bases of 138702672

• Binary: 1000010001000110111101010000₂
• Hexadecimal: 0x8446F50
• Base-36: 2AKVO0

Squares and roots of 138702672

• 138702672 squared (138702672²) is 19238431219939584
• 138702672 cubed (138702672³) is 2668421815293839979368448
• The square root of 138702672 is 11777.2098563285
• The cube root of 138702672 is 517.6405331417

Scales and comparisons

• 138,702,672 seconds is equal to 4 years, 21 weeks, 2 days, 8 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,702,672 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 138702672 cubic inches would be around 43.1 feet tall.

Recreational maths with 138702672

• 138702672 backwards is 276207831
• 138702672 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138702672's digits is 36
• More coming soon!