31229971644

Names of 31229971644

• Cardinal: 31229971644 can be written as Thirty-one billion, two hundred twenty-nine million, nine hundred seventy-one thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 3.1229971644 × 10¹⁰

Factors of 31229971644

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 886

Divisors of 31229971644

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 53 106 159 212 307 318 521 614 636 921 1042 1228 1563 1842 2084 3126 3684 6252 16271 27613 32542 48813 55226 65084 82839 94249 97626 110452 159947 165678 188498 195252 282747 319894 331356 376996 479841 565494 639788 959682 1130988 1919364 4995197 8477191 9990394 14985591 16954382 19980788 25431573 29971182 33908764 49103729 50863146 59942364 98207458 101726292 147311187 196414916 294622374 589244748 2602497637 5204995274 7807492911 10409990548 15614985822 31229971644
• Sum of all divisors σ(n): 74630436048
• Sum of proper divisors (its aliquot sum) s(n): 43400464404
• 31229971644 is an abundant number, because the sum of its proper divisors (43400464404) is greater than itself. Its abundance is 12170492760

Bases of 31229971644

• Binary: 11101000101011100111000110010111100₂
• Hexadecimal: 0x745738CBC
• Base-36: ECHIOCC

Squares and roots of 31229971644

• 31229971644 squared (31229971644²) is 975311128885044062736
• 31229971644 cubed (31229971644³) is 30458938899157555414935837057984
• The square root of 31229971644 is 176720.0374717027
• The cube root of 31229971644 is 3149.1295703329

Scales and comparisons

• 31,229,971,644 seconds is equal to 993 years, 6 days, 7 minutes, 24 seconds.
• To count from 1 to 31,229,971,644 would take you about one thousand, nine hundred eighty-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 31229971644 cubic inches would be around 262.4 feet tall.

Recreational maths with 31229971644

• 31229971644 backwards is 44617992213
• The number of decimal digits it has is: 11
• The sum of 31229971644's digits is 48
• More coming soon!