131807790

Names of 131807790

• Cardinal: 131807790 can be written as One hundred thirty-one million, eight hundred seven thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.3180779 × 10⁸

Factors of 131807790

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1468

Divisors of 131807790

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 521 937 1042 1563 1874 2605 2811 3126 4685 4689 5210 5622 7815 8433 9370 9378 14055 14067 15630 16866 23445 25299 28110 28134 42165 46890 50598 70335 84330 126495 140670 252990 488177 976354 1464531 2440885 2929062 4393593 4881770 7322655 8787186 13180779 14645310 21967965 26361558 43935930 65903895 131807790
• Sum of all divisors σ(n): 352537920
• Sum of proper divisors (its aliquot sum) s(n): 220730130
• 131807790 is an abundant number, because the sum of its proper divisors (220730130) is greater than itself. Its abundance is 88922340

Bases of 131807790

• Binary: 111110110110011101000101110₂
• Hexadecimal: 0x7DB3A2E
• Base-36: 26H3JI

Squares and roots of 131807790

• 131807790 squared (131807790²) is 17373293504684100
• 131807790 cubed (131807790³) is 2289935421873765869139000
• The square root of 131807790 is 11480.7573791975
• The cube root of 131807790 is 508.9170793447

Scales and comparisons

• 131,807,790 seconds is equal to 4 years, 9 weeks, 6 days, 13 hours, 16 minutes, 30 seconds.
• To count from 1 to 131,807,790 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 131807790 cubic inches would be around 42.4 feet tall.

Recreational maths with 131807790

• 131807790 backwards is 097708131
• The number of decimal digits it has is: 9
• The sum of 131807790's digits is 36
• More coming soon!