131979750

Names of 131979750

• Cardinal: 131979750 can be written as One hundred thirty-one million, nine hundred seventy-nine thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 1.3197975 × 10⁸

Factors of 131979750

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1133

Divisors of 131979750

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 23 25 30 35 42 46 50 69 70 75 105 115 125 138 150 161 175 210 230 250 322 345 350 375 483 525 575 690 750 805 875 966 1050 1093 1150 1610 1725 1750 2186 2415 2625 2875 3279 3450 4025 4830 5250 5465 5750 6558 7651 8050 8625 10930 12075 15302 16395 17250 20125 22953 24150 25139 27325 32790 38255 40250 45906 50278 54650 60375 75417 76510 81975 114765 120750 125695 136625 150834 163950 175973 191275 229530 251390 273250 351946 377085 382550 409875 527919 573825 628475 754170 819750 879865 956375 1055838 1147650 1256950 1759730 1885425 1912750 2639595 2869125 3142375 3770850 4399325 5279190 5738250 6284750 8798650 9427125 13197975 18854250 21996625 26395950 43993250 65989875 131979750
• Sum of all divisors σ(n): 393209856
• Sum of proper divisors (its aliquot sum) s(n): 261230106
• 131979750 is an abundant number, because the sum of its proper divisors (261230106) is greater than itself. Its abundance is 129250356

Bases of 131979750

• Binary: 111110111011101100111100110₂
• Hexadecimal: 0x7DDD9E6
• Base-36: 26KS86

Squares and roots of 131979750

• 131979750 squared (131979750²) is 17418654410062500
• 131979750 cubed (131979750³) is 2298909654376446234375000
• The square root of 131979750 is 11488.2439911415
• The cube root of 131979750 is 509.1382988217

Scales and comparisons

• 131,979,750 seconds is equal to 4 years, 10 weeks, 1 day, 13 hours, 2 minutes, 30 seconds.
• To count from 1 to 131,979,750 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 131979750 cubic inches would be around 42.4 feet tall.

Recreational maths with 131979750

• 131979750 backwards is 057979131
• 131979750 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 131979750's digits is 42
• More coming soon!