31015084321

Names of 31015084321

• Cardinal: 31015084321 can be written as Thirty-one billion, fifteen million, eighty-four thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 3.1015084321 × 10¹⁰

Factors of 31015084321

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 86

Divisors of 31015084321

• Number of divisors d(n): 81
• Complete list of divisors:
  1 13 19 23 31 169 247 299 361 403 437 529 589 713 961 3211 3887 4693 5239 5681 6877 7657 8303 9269 10051 11191 12493 13547 16399 18259 22103 61009 73853 89401 99541 107939 120497 130663 145483 162409 176111 190969 213187 237367 257393 287339 311581 346921 419957 508369 1403207 1698619 1891279 2289443 2482597 2771431 3085771 3346109 3735407 4050553 4509973 5459441 5920039 6608797 7979183 9659011 32273761 43499417 52657189 58629649 70972733 76960507 85914361 103729379 125567143 183521209 1000486591 1348481927 1632372859 2385775717 31015084321
• Sum of all divisors σ(n): 38286921267
• Sum of proper divisors (its aliquot sum) s(n): 7271836946
• 31015084321 is a deficient number, because the sum of its proper divisors (7271836946) is less than itself. Its deficiency is 23743247375

Bases of 31015084321

• Binary: 11100111000101001001010000100100001₂
• Hexadecimal: 0x738A4A121
• Base-36: E8XKW81

Squares and roots of 31015084321

• 31015084321 squared (31015084321²) is 961935455438740031041
• 31015084321 cubed (31015084321³) is 29834509261792060112734772408161
• 31015084321 is a perfect square number. Its square root is 176111
• The cube root of 31015084321 is 3141.8900922883

Scales and comparisons

• 31,015,084,321 seconds is equal to 986 years, 9 weeks, 3 days, 21 hours, 12 minutes, 1 second.
• To count from 1 to 31,015,084,321 would take you about one thousand, nine hundred seventy-two 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 31015084321 cubic inches would be around 261.8 feet tall.

Recreational maths with 31015084321

• 31015084321 backwards is 12348051013
• The number of decimal digits it has is: 11
• The sum of 31015084321's digits is 28
• More coming soon!