390197155966532161

Names of 390197155966532161

• Cardinal: 390197155966532161 can be written as Three hundred ninety quadrillion, one hundred ninety-seven trillion, one hundred fifty-five billion, nine hundred sixty-six million, five hundred thirty-two thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 3.90197155966532161 × 10¹⁷

Factors of 390197155966532161

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 21884

Divisors of 390197155966532161

• Number of divisors d(n): 27
• Complete list of divisors:
  1 13 169 2197 21871 28561 284323 371293 3696199 4826809 48050587 62748517 478340641 624657631 815730721 6218428333 8120549203 80839568329 105567139639 1050914388277 1372372815307 13661887047601 17840846598991 177604531618813 2308858911044569 30015165843579397 390197155966532161
• Sum of all divisors σ(n): 422732914058070153
• Sum of proper divisors (its aliquot sum) s(n): 32535758091537992
• 390197155966532161 is a deficient number, because the sum of its proper divisors (32535758091537992) is less than itself. Its deficiency is 357661397874994169

Bases of 390197155966532161

• Binary: 10101101010010000100011111011111001110000001011101001000001₂
• Hexadecimal: 0x56A423EF9C0BA41
• Base-36: 2YQ1CITIGFUP

Squares and roots of 390197155966532161

• 390197155966532161 squared (390197155966532161²) is 152253820524370224810588328247329921
• 390197155966532161 cubed (390197155966532161³) is 59409007753648084059727686108548024102843886024089281
• 390197155966532161 is a perfect square number. Its square root is 624657631
• The cube root of 390197155966532161 is 730737.4520333591

Scales and comparisons

• 390,197,155,966,532,161 seconds is equal to 12,407,062,600 years, 35 weeks, 4 days, 16 hours, 16 minutes, 1 second.
• To count from 1 to 390,197,155,966,532,161 would take you about thirty-seven billion, two hundred twenty-one million, one hundred eighty-seven thousand, eight hundred two 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 390197155966532161 cubic inches would be around 60894.8 feet tall.

Recreational maths with 390197155966532161

• 390197155966532161 backwards is 161235669551791093
• The number of decimal digits it has is: 18
• The sum of 390197155966532161's digits is 79
• More coming soon!