131105157942

Names of 131105157942

• Cardinal: 131105157942 can be written as One hundred thirty-one billion, one hundred five million, one hundred fifty-seven thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.31105157942 × 10¹¹

Factors of 131105157942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1081534

Divisors of 131105157942

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 11 22 33 66 121 167 242 334 363 501 726 1002 1837 3674 5511 11022 20207 40414 60621 121242 1081351 2162702 3244053 6488106 11894861 23789722 35684583 71369166 130843471 180585617 261686942 361171234 392530413 541756851 785060826 1083513702 1986441787 3972883574 5959325361 11918650722 21850859657 43701719314 65552578971 131105157942
• Sum of all divisors σ(n): 289940749056
• Sum of proper divisors (its aliquot sum) s(n): 158835591114
• 131105157942 is an abundant number, because the sum of its proper divisors (158835591114) is greater than itself. Its abundance is 27730433172

Bases of 131105157942

• Binary: 1111010000110011110011111001100110110₂
• Hexadecimal: 0x1E8679F336
• Base-36: 1O88MJAU

Squares and roots of 131105157942

• 131105157942 squared (131105157942²) is 17188562438996765675364
• 131105157942 cubed (131105157942³) is 2253509193360599703895761518340888
• The square root of 131105157942 is 362084.4624421213
• The cube root of 131105157942 is 5080.1116745191

Scales and comparisons

• 131,105,157,942 seconds is equal to 4,168 years, 38 weeks, 2 days, 19 hours, 25 minutes, 42 seconds.
• To count from 1 to 131,105,157,942 would take you about eight thousand, three hundred thirty-seven 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 131105157942 cubic inches would be around 423.3 feet tall.

Recreational maths with 131105157942

• 131105157942 backwards is 249751501131
• The number of decimal digits it has is: 12
• The sum of 131105157942's digits is 39
• More coming soon!