397400437761646

Names of 397400437761646

• Cardinal: 397400437761646 can be written as Three hundred ninety-seven trillion, four hundred billion, four hundred thirty-seven million, seven hundred sixty-one thousand, six hundred forty-six.

Scientific notation

• Scientific notation: 3.97400437761646 × 10¹⁴

Factors of 397400437761646

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 203888

Divisors of 397400437761646

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 11 22 67 121 134 242 737 1474 1811 3622 4489 8107 8978 16214 19921 39842 49379 98758 121337 201997 219131 242674 403994 438262 543169 1086338 1334707 2221967 2669414 4443934 8129579 13533799 14681777 16259158 24441637 27067598 29363554 48883274 89425369 148871789 178850738 297743578 365816567 731633134 906764533 983679059 1637589679 1813529066 1967358118 3275179358 4023982237 8047964474 9974409863 19948819726 24509709989 44263804607 49019419978 88527609214 109718508493 219437016986 269606809879 539213619758 1642150569263 2965674908669 3284301138526 5931349817338 18063656261893 36127312523786 198700218880823 397400437761646
• Sum of all divisors σ(n): 665513986519368
• Sum of proper divisors (its aliquot sum) s(n): 268113548757722
• 397400437761646 is a deficient number, because the sum of its proper divisors (268113548757722) is less than itself. Its deficiency is 129286889003924

Bases of 397400437761646

• Binary: 1011010010110111011111111111011010010011001101110₂
• Hexadecimal: 0x1696EFFED266E
• Base-36: 3WV78O2G6M

Squares and roots of 397400437761646

• 397400437761646 squared (397400437761646²) is 157927107933147876058708629316
• 397400437761646 cubed (397400437761646³) is 62760301827063682780202994154460603776014136
• The square root of 397400437761646 is 19934905.0100983927
• The cube root of 397400437761646 is 73520.6684596525

Scales and comparisons

• 397,400,437,761,646 seconds is equal to 12,636,104 years, 35 weeks, 2 days, 17 hours, 20 minutes, 46 seconds.
• To count from 1 to 397,400,437,761,646 would take you about thirty-one million, five hundred ninety thousand, two hundred sixty-one 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 397400437761646 cubic inches would be around 6126.7 feet tall.

Recreational maths with 397400437761646

• 397400437761646 backwards is 646167734004793
• 397400437761646 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 397400437761646's digits is 67
• More coming soon!