31512148345

Names of 31512148345

• Cardinal: 31512148345 can be written as Thirty-one billion, five hundred twelve million, one hundred forty-eight thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 3.1512148345 × 10¹⁰

Factors of 31512148345

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4894

Divisors of 31512148345

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 17 29 37 73 85 145 185 365 493 629 1073 1241 2117 2465 2701 3145 4733 5365 6205 10585 13505 18241 23665 35989 45917 78329 80461 91205 137257 175121 179945 229585 345509 391645 402305 686285 875605 1331593 1727545 2333369 2977057 5078509 5873653 6657965 10019761 11666845 12783833 14885285 25392545 29368265 50098805 63919165 86334653 170335937 217325161 370731157 431673265 851679685 1086625805 1853655785 6302429669 31512148345
• Sum of all divisors σ(n): 43130905920
• Sum of proper divisors (its aliquot sum) s(n): 11618757575
• 31512148345 is a deficient number, because the sum of its proper divisors (11618757575) is less than itself. Its deficiency is 19893390770

Bases of 31512148345

• Binary: 11101010110010001010011100101111001₂
• Hexadecimal: 0x756453979
• Base-36: EH5IPA1

Squares and roots of 31512148345

• 31512148345 squared (31512148345²) is 993015493317286239025
• 31512148345 cubed (31512148345³) is 31292051534297680116982928163625
• The square root of 31512148345 is 177516.6142787769
• The cube root of 31512148345 is 3158.5857430255

Scales and comparisons

• 31,512,148,345 seconds is equal to 1,001 years, 51 weeks, 2 days, 22 hours, 32 minutes, 25 seconds.
• To count from 1 to 31,512,148,345 would take you about two thousand and three 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 31512148345 cubic inches would be around 263.2 feet tall.

Recreational maths with 31512148345

• 31512148345 backwards is 54384121513
• 31512148345 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31512148345's digits is 37
• More coming soon!