131980940

Names of 131980940

• Cardinal: 131980940 can be written as One hundred thirty-one million, nine hundred eighty thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.3198094 × 10⁸

Factors of 131980940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 725

Divisors of 131980940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 127 130 140 182 254 260 364 455 508 571 635 889 910 1142 1270 1651 1778 1820 2284 2540 2855 3302 3556 3997 4445 5710 6604 7423 7994 8255 8890 11420 11557 14846 15988 16510 17780 19985 23114 29692 33020 37115 39970 46228 51961 57785 72517 74230 79940 103922 115570 145034 148460 207844 231140 259805 290068 362585 507619 519610 725170 942721 1015238 1039220 1450340 1885442 2030476 2538095 3770884 4713605 5076190 6599047 9427210 10152380 13198094 18854420 26396188 32995235 65990470 131980940
• Sum of all divisors σ(n): 344408064
• Sum of proper divisors (its aliquot sum) s(n): 212427124
• 131980940 is an abundant number, because the sum of its proper divisors (212427124) is greater than itself. Its abundance is 80446184

Bases of 131980940

• Binary: 111110111011101111010001100₂
• Hexadecimal: 0x7DDDE8C
• Base-36: 26KT58

Squares and roots of 131980940

• 131980940 squared (131980940²) is 17418968523283600
• 131980940 cubed (131980940³) is 2298971839533381414584000
• The square root of 131980940 is 11488.2957831003
• The cube root of 131980940 is 509.1398290381

Scales and comparisons

• 131,980,940 seconds is equal to 4 years, 10 weeks, 1 day, 13 hours, 22 minutes, 20 seconds.
• To count from 1 to 131,980,940 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 131980940 cubic inches would be around 42.4 feet tall.

Recreational maths with 131980940

• 131980940 backwards is 049089131
• 131980940 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 131980940's digits is 35
• More coming soon!