31478671889020413948

Names of 31478671889020413948

• Cardinal: 31478671889020413948 can be written as Thirty-one quintillion, four hundred seventy-eight quadrillion, six hundred seventy-one trillion, eight hundred eighty-nine billion, twenty million, four hundred thirteen thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 3.1478671889020413948 × 10¹⁹

Factors of 31478671889020413948

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 238474787038033455

Divisors of 31478671889020413948

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 3 4 6 11 12 22 33 44 66 132 238474787038033439 476949574076066878 715424361114100317 953899148152133756 1430848722228200634 2623222657418367829 2861697444456401268 5246445314836735658 7869667972255103487 10492890629673471316 15739335944510206974 31478671889020413948
• Sum of all divisors σ(n): 80127528444779235840
• Sum of proper divisors (its aliquot sum) s(n): 48648856555758821892
• 31478671889020413948 is an abundant number, because the sum of its proper divisors (48648856555758821892) is greater than itself. Its abundance is 17170184666738407944

Bases of 31478671889020413948

• Binary: 11011010011011010101101010100110101001010001000101110011111111100₂
• Hexadecimal: 0x1B4DAB54D4A22E7FC
• Base-36: 6N5RLW40BRQ4C

Squares and roots of 31478671889020413948

• 31478671889020413948 squared (31478671889020413948²) is 990906783896604036263102632273272946704
• 31478671889020413948 cubed (31478671889020413948³) is 31192429522885655678438577950635446364889289719579822227392
• The square root of 31478671889020413948 is 5610585699.2849163633
• The cube root of 31478671889020413948 is 3157466.8547299629

Scales and comparisons

• 31,478,671,889,020,413,948 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 31,478,671,889,020,413,948 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 31478671889020413948 cubic inches would be around 263122.2 feet tall.

Recreational maths with 31478671889020413948

• 31478671889020413948 backwards is 84931402098817687413
• The number of decimal digits it has is: 20
• The sum of 31478671889020413948's digits is 93
• More coming soon!