31492013402

Names of 31492013402

• Cardinal: 31492013402 can be written as Thirty-one billion, four hundred ninety-two million, thirteen thousand, four hundred two.

Scientific notation

• Scientific notation: 3.1492013402 × 10¹⁰

Factors of 31492013402

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 684609012

Divisors of 31492013402

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 23 46 684608987 1369217974 15746006701 31492013402
• Sum of all divisors σ(n): 49291847136
• Sum of proper divisors (its aliquot sum) s(n): 17799833734
• 31492013402 is a deficient number, because the sum of its proper divisors (17799833734) is less than itself. Its deficiency is 13692179668

Bases of 31492013402

• Binary: 11101010101000100011111110101011010₂
• Hexadecimal: 0x75511FD5A
• Base-36: EGTJ522

Squares and roots of 31492013402

• 31492013402 squared (31492013402²) is 991746908111747613604
• 31492013402 cubed (31492013402³) is 31232106921647218361258685520808
• The square root of 31492013402 is 177459.8923757141
• The cube root of 31492013402 is 3157.9128650241

Scales and comparisons

• 31,492,013,402 seconds is equal to 1,001 years, 18 weeks, 21 hours, 30 minutes, 2 seconds.
• To count from 1 to 31,492,013,402 would take you about two thousand and 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 31492013402 cubic inches would be around 263.2 feet tall.

Recreational maths with 31492013402

• 31492013402 backwards is 20431029413
• The number of decimal digits it has is: 11
• The sum of 31492013402's digits is 29
• More coming soon!