390420691894669140

Names of 390420691894669140

• Cardinal: 390420691894669140 can be written as Three hundred ninety quadrillion, four hundred twenty trillion, six hundred ninety-one billion, eight hundred ninety-four million, six hundred sixty-nine thousand, one hundred forty.

Scientific notation

• Scientific notation: 3.9042069189466914 × 10¹⁷

Factors of 390420691894669140

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2169003843859283

Divisors of 390420691894669140

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2169003843859273 4338007687718546 6507011531577819 8676015375437092 10845019219296365 13014023063155638 19521034594733457 21690038438592730 26028046126311276 32535057657889095 39042069189466914 43380076877185460 65070115315778190 78084138378933828 97605172973667285 130140230631556380 195210345947334570 390420691894669140
• Sum of all divisors σ(n): 1184276098747163604
• Sum of proper divisors (its aliquot sum) s(n): 793855406852494464
• 390420691894669140 is an abundant number, because the sum of its proper divisors (793855406852494464) is greater than itself. Its abundance is 403434714957825324

Bases of 390420691894669140

• Binary: 10101101011000011011000110011111101010110000000111101010100₂
• Hexadecimal: 0x56B0D8CFD580F54
• Base-36: 2YS8L1T2JJH0

Squares and roots of 390420691894669140

• 390420691894669140 squared (390420691894669140²) is 152428316659512169510784350068339600
• 390420691894669140 cubed (390420691894669140³) is 59511168854546463920722983421414699055763931159944000
• The square root of 390420691894669140 is 624836532.1383418761
• The cube root of 390420691894669140 is 730876.9668824173

Scales and comparisons

• 390,420,691,894,669,140 seconds is equal to 12,414,170,351 years, 39 weeks, 3 days, 3 hours, 39 minutes.
• To count from 1 to 390,420,691,894,669,140 would take you about thirty-seven billion, two hundred forty-two million, five hundred eleven thousand and fifty-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 390420691894669140 cubic inches would be around 60906.4 feet tall.

Recreational maths with 390420691894669140

• 390420691894669140 backwards is 041966498196024093
• The number of decimal digits it has is: 18
• The sum of 390420691894669140's digits is 81
• More coming soon!