31930405879808

Names of 31930405879808

• Cardinal: 31930405879808 can be written as Thirty-one trillion, nine hundred thirty billion, four hundred five million, eight hundred seventy-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 3.1930405879808 × 10¹³

Factors of 31930405879808

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 1953

Divisors of 31930405879808

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 1024 1951 2048 3902 4096 7804 8192 15608 16384 31216 32768 62432 65536 124864 131072 249728 262144 499456 524288 998912 1048576 1997824 2097152 3806401 3995648 4194304 7612802 7991296 8388608 15225604 15982592 30451208 31965184 60902416 63930368 121804832 127860736 243609664 255721472 487219328 511442944 974438656 1022885888 1948877312 2045771776 3897754624 4091543552 7795509248 8183087104 15591018496 16366174208 31182036992 62364073984 124728147968 249456295936 498912591872 997825183744 1995650367488 3991300734976 7982601469952 15965202939904 31930405879808
• Sum of all divisors σ(n): 63893557076895
• Sum of proper divisors (its aliquot sum) s(n): 31963151197087
• 31930405879808 is an abundant number, because the sum of its proper divisors (31963151197087) is greater than itself. Its abundance is 32745317279

Bases of 31930405879808

• Binary: 111010000101001100000100000000000000000000000₂
• Hexadecimal: 0x1D0A60800000
• Base-36: BBGMJ8PVK

Squares and roots of 31930405879808

• 31930405879808 squared (31930405879808²) is 1019550819649277298542116864
• 31930405879808 cubed (31930405879808³) is 32554671486492349633747062500592673882112
• The square root of 31930405879808 is 5650699.5920689325
• The cube root of 31930405879808 is 31724.9889636909

Scales and comparisons

• 31,930,405,879,808 seconds is equal to 1,015,288 years, 7 weeks, 1 day, 20 hours, 50 minutes, 8 seconds.
• To count from 1 to 31,930,405,879,808 would take you about two million, five hundred thirty-eight thousand, two hundred twenty 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 31930405879808 cubic inches would be around 2643.7 feet tall.

Recreational maths with 31930405879808

• 31930405879808 backwards is 80897850403913
• The number of decimal digits it has is: 14
• The sum of 31930405879808's digits is 65
• More coming soon!