390423932432561

Names of 390423932432561

• Cardinal: 390423932432561 can be written as Three hundred ninety trillion, four hundred twenty-three billion, nine hundred thirty-two million, four hundred thirty-two thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 3.90423932432561 × 10¹⁴

Factors of 390423932432561

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 75913656103

Divisors of 390423932432561

• Number of divisors d(n): 8
• Complete list of divisors:
  1 37 139 5143 75913655927 2808805269299 10551998173853 390423932432561
• Sum of all divisors σ(n): 403860649536960
• Sum of proper divisors (its aliquot sum) s(n): 13436717104399
• 390423932432561 is a deficient number, because the sum of its proper divisors (13436717104399) is less than itself. Its deficiency is 376987215328162

Bases of 390423932432561

• Binary: 1011000110001011010100111110011011111000010110001₂
• Hexadecimal: 0x16316A7CDF0B1
• Base-36: 3UE6A0X8DT

Squares and roots of 390423932432561

• 390423932432561 squared (390423932432561²) is 152430847016104957086813018721
• 390423932432561 cubed (390423932432561³) is 59512650716053804286658180460271357162974481
• The square root of 390423932432561 is 19759148.0695034269
• The cube root of 390423932432561 is 73087.8988998561

Scales and comparisons

• 390,423,932,432,561 seconds is equal to 12,414,273 years, 20 weeks, 2 days, 6 hours, 22 minutes, 41 seconds.
• To count from 1 to 390,423,932,432,561 would take you about thirty-one million, thirty-five thousand, six hundred eighty-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 390423932432561 cubic inches would be around 6090.7 feet tall.

Recreational maths with 390423932432561

• 390423932432561 backwards is 165234239324093
• The number of decimal digits it has is: 15
• The sum of 390423932432561's digits is 56
• More coming soon!