31695396909

Names of 31695396909

• Cardinal: 31695396909 can be written as Thirty-one billion, six hundred ninety-five million, three hundred ninety-six thousand, nine hundred nine.

Scientific notation

• Scientific notation: 3.1695396909 × 10¹⁰

Factors of 31695396909

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 90

Divisors of 31695396909

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 11 29 33 47 87 121 141 319 363 517 841 957 1363 1551 2209 2523 3509 4089 5687 6627 9251 10527 14993 17061 24299 27753 39527 44979 64061 72897 101761 103823 118581 164923 192183 267289 305283 311469 434797 494769 704671 801867 1142053 1304391 1857769 2114013 3010867 3426159 4782767 5573307 7751381 9032601 12562583 14348301 20435459 23254143 33119537 37687749 61306377 87315143 99358611 224790049 261945429 364314907 674370147 960466573 1092944721 2881399719 10565132303 31695396909
• Sum of all divisors σ(n): 49154501760
• Sum of proper divisors (its aliquot sum) s(n): 17459104851
• 31695396909 is a deficient number, because the sum of its proper divisors (17459104851) is less than itself. Its deficiency is 14236292058

Bases of 31695396909

• Binary: 11101100001001100010110000000101101₂
• Hexadecimal: 0x76131602D
• Base-36: EK6MCRX

Squares and roots of 31695396909

• 31695396909 squared (31695396909²) is 1004598185219046754281
• 31695396909 cubed (31695396909³) is 31841138214578783983564489917429
• The square root of 31695396909 is 178032.0109109595
• The cube root of 31695396909 is 3164.6964864467

Scales and comparisons

• 31,695,396,909 seconds is equal to 1,007 years, 42 weeks, 2 days, 20 hours, 55 minutes, 9 seconds.
• To count from 1 to 31,695,396,909 would take you about two thousand and fifteen 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 31695396909 cubic inches would be around 263.7 feet tall.

Recreational maths with 31695396909

• 31695396909 backwards is 90969359613
• The number of decimal digits it has is: 11
• The sum of 31695396909's digits is 60
• More coming soon!