131807940

Names of 131807940

• Cardinal: 131807940 can be written as One hundred thirty-one million, eight hundred seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.3180794 × 10⁸

Factors of 131807940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 520

Divisors of 131807940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 19 20 22 23 30 33 38 44 46 55 57 60 66 69 76 92 95 110 114 115 132 138 165 190 209 220 228 230 253 276 285 330 345 380 418 437 457 460 506 570 627 660 690 759 836 874 914 1012 1045 1140 1254 1265 1311 1371 1380 1518 1748 1828 2090 2185 2285 2508 2530 2622 2742 3036 3135 3795 4180 4370 4570 4807 5027 5060 5244 5484 6270 6555 6855 7590 8683 8740 9140 9614 10054 10511 12540 13110 13710 14421 15081 15180 17366 19228 20108 21022 24035 25135 26049 26220 27420 28842 30162 31533 34732 42044 43415 48070 50270 52098 52555 57684 60324 63066 72105 75405 86830 95513 96140 100540 104196 105110 115621 126132 130245 144210 150810 157665 173660 191026 199709 210220 231242 260490 286539 288420 301620 315330 346863 382052 399418 462484 477565 520980 573078 578105 599127 630660 693726 798836 955130 998545 1146156 1156210 1198254 1387452 1432695 1734315 1910260 1997090 2196799 2312420 2396508 2865390 2995635 3468630 3994180 4393598 5730780 5991270 6590397 6937260 8787196 10983995 11982540 13180794 21967990 26361588 32951985 43935980 65903970 131807940
• Sum of all divisors σ(n): 443197440
• Sum of proper divisors (its aliquot sum) s(n): 311389500
• 131807940 is an abundant number, because the sum of its proper divisors (311389500) is greater than itself. Its abundance is 179581560

Bases of 131807940

• Binary: 111110110110011101011000100₂
• Hexadecimal: 0x7DB3AC4
• Base-36: 26H3NO

Squares and roots of 131807940

• 131807940 squared (131807940²) is 17373333047043600
• 131807940 cubed (131807940³) is 2289943239864740006184000
• The square root of 131807940 is 11480.7639118657
• The cube root of 131807940 is 508.9172723975

Scales and comparisons

• 131,807,940 seconds is equal to 4 years, 9 weeks, 6 days, 13 hours, 19 minutes.
• To count from 1 to 131,807,940 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 131807940 cubic inches would be around 42.4 feet tall.

Recreational maths with 131807940

• 131807940 backwards is 049708131
• 131807940 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 131807940's digits is 33
• More coming soon!