31205434739913

Names of 31205434739913

• Cardinal: 31205434739913 can be written as Thirty-one trillion, two hundred five billion, four hundred thirty-four million, seven hundred thirty-nine thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 3.1205434739913 × 10¹³

Factors of 31205434739913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 386670142

Divisors of 31205434739913

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 21 27 49 61 63 147 183 189 427 441 549 1281 1323 1647 2989 3843 8967 11529 26901 80703 386670071 1160010213 2706690497 3480030639 8120071491 10440091917 18946833479 23586874331 24360214473 56840500437 70760622993 73080643419 165108120317 170521501311 212281868979 495324360951 511564503933 636845606937 1155756842219 1485973082853 3467270526657 4457919248559 10401811579971 31205434739913
• Sum of all divisors σ(n): 54659681377920
• Sum of proper divisors (its aliquot sum) s(n): 23454246638007
• 31205434739913 is a deficient number, because the sum of its proper divisors (23454246638007) is less than itself. Its deficiency is 7751188101906

Bases of 31205434739913

• Binary: 111000110000110010100110110100100110011001001₂
• Hexadecimal: 0x1C6194DA4CC9
• Base-36: B27KU5689

Squares and roots of 31205434739913

• 31205434739913 squared (31205434739913²) is 973779157306969121955247569
• 31205434739913 cubed (31205434739913³) is 30387201944430100295683872901363040521497
• The square root of 31205434739913 is 5586182.4835851003
• The cube root of 31205434739913 is 31483.0461349851

Scales and comparisons

• 31,205,434,739,913 seconds is equal to 992,236 years, 15 weeks, 4 days, 4 hours, 38 minutes, 33 seconds.
• To count from 1 to 31,205,434,739,913 would take you about two million, four hundred eighty thousand, five hundred ninety 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 31205434739913 cubic inches would be around 2623.6 feet tall.

Recreational maths with 31205434739913

• 31205434739913 backwards is 31993743450213
• The number of decimal digits it has is: 14
• The sum of 31205434739913's digits is 54
• More coming soon!