136543990

Names of 136543990

• Cardinal: 136543990 can be written as One hundred thirty-six million, five hundred forty-three thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.3654399 × 10⁸

Factors of 136543990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 373

Divisors of 136543990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 22 55 67 97 110 134 191 194 335 382 485 670 737 955 970 1067 1474 1910 2101 2134 3685 4202 5335 6499 7370 10505 10670 12797 12998 18527 21010 25594 32495 37054 63985 64990 71489 92635 127970 140767 142978 185270 203797 281534 357445 407594 703835 714890 1018985 1241309 1407670 2037970 2482618 6206545 12413090 13654399 27308798 68271995 136543990
• Sum of all divisors σ(n): 276369408
• Sum of proper divisors (its aliquot sum) s(n): 139825418
• 136543990 is an abundant number, because the sum of its proper divisors (139825418) is greater than itself. Its abundance is 3281428

Bases of 136543990

• Binary: 1000001000110111111011110110₂
• Hexadecimal: 0x8237EF6
• Base-36: 29AM0M

Squares and roots of 136543990

• 136543990 squared (136543990²) is 18644261205120100
• 136543990 cubed (136543990³) is 2545761815549306883199000
• The square root of 136543990 is 11685.2038921021
• The cube root of 136543990 is 514.9410684445

Scales and comparisons

• 136,543,990 seconds is equal to 4 years, 17 weeks, 5 days, 8 hours, 53 minutes, 10 seconds.
• To count from 1 to 136,543,990 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 136543990 cubic inches would be around 42.9 feet tall.

Recreational maths with 136543990

• 136543990 backwards is 099345631
• The number of decimal digits it has is: 9
• The sum of 136543990's digits is 40
• More coming soon!