61491086639120

Names of 61491086639120

• Cardinal: 61491086639120 can be written as Sixty-one trillion, four hundred ninety-one billion, eighty-six million, six hundred thirty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.149108663912 × 10¹³

Factors of 61491086639120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6052272441

Divisors of 61491086639120

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 127 254 508 635 1016 1270 2032 2540 5080 10160 6052272307 12104544614 24209089228 30261361535 48418178456 60522723070 96836356912 121045446140 242090892280 484181784560 768638582989 1537277165978 3074554331956 3843192914945 6149108663912 7686385829890 12298217327824 15372771659780 30745543319560 61491086639120
• Sum of all divisors σ(n): 144092499108864
• Sum of proper divisors (its aliquot sum) s(n): 82601412469744
• 61491086639120 is an abundant number, because the sum of its proper divisors (82601412469744) is greater than itself. Its abundance is 21110325830624

Bases of 61491086639120

• Binary: 1101111110110100000010011000000100000000010000₂
• Hexadecimal: 0x37ED02604010
• Base-36: LSOM5BYFK

Squares and roots of 61491086639120

• 61491086639120 squared (61491086639120²) is 3781153736059762177114374400
• 61491086639120 cubed (61491086639120³) is 232507251979883112963002430703937366528000
• The square root of 61491086639120 is 7841625.2549532103
• The cube root of 61491086639120 is 39470.3268336005

Scales and comparisons

• 61,491,086,639,120 seconds is equal to 1,955,226 years, 18 weeks, 1 day, 15 hours, 45 minutes, 20 seconds.
• To count from 1 to 61,491,086,639,120 would take you about four million, eight hundred eighty-eight thousand and sixty-five 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 61491086639120 cubic inches would be around 3289.2 feet tall.

Recreational maths with 61491086639120

• 61491086639120 backwards is 02193668019416
• The number of decimal digits it has is: 14
• The sum of 61491086639120's digits is 56
• More coming soon!