31923871402

Names of 31923871402

• Cardinal: 31923871402 can be written as Thirty-one billion, nine hundred twenty-three million, eight hundred seventy-one thousand, four hundred two.

Scientific notation

• Scientific notation: 3.1923871402 × 10¹⁰

Factors of 31923871402

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1475

Divisors of 31923871402

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 19 38 43 79 86 158 223 446 817 1109 1501 1634 2218 3002 3397 4237 6794 8474 9589 17617 19178 21071 35234 42142 47687 64543 87611 95374 129086 175222 182191 247307 334723 364382 494614 669446 757531 906053 1515062 1664609 1812106 3329218 3767273 4698833 7534546 9397666 10634201 14393089 19537253 21268402 28786178 39074506 71578187 143156374 202049819 371207807 404099638 742415614 840101879 1680203758 15961935701 31923871402
• Sum of all divisors σ(n): 52512768000
• Sum of proper divisors (its aliquot sum) s(n): 20588896598
• 31923871402 is a deficient number, because the sum of its proper divisors (20588896598) is less than itself. Its deficiency is 11334974804

Bases of 31923871402

• Binary: 11101101110110011111001111010101010₂
• Hexadecimal: 0x76ECF9EAA
• Base-36: ENYNCTM

Squares and roots of 31923871402

• 31923871402 squared (31923871402²) is 1019133565291433445604
• 31923871402 cubed (31923871402³) is 32534688879825491969703858216808
• The square root of 31923871402 is 178672.5255936121
• The cube root of 31923871402 is 3172.2824669461

Scales and comparisons

• 31,923,871,402 seconds is equal to 1,015 years, 4 weeks, 1 day, 6 hours, 3 minutes, 22 seconds.
• To count from 1 to 31,923,871,402 would take you about two thousand and thirty 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 31923871402 cubic inches would be around 264.4 feet tall.

Recreational maths with 31923871402

• 31923871402 backwards is 20417832913
• The number of decimal digits it has is: 11
• The sum of 31923871402's digits is 40
• More coming soon!