390645485673993

Names of 390645485673993

• Cardinal: 390645485673993 can be written as Three hundred ninety trillion, six hundred forty-five billion, four hundred eighty-five million, six hundred seventy-three thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 3.90645485673993 × 10¹⁴

Factors of 390645485673993

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 28399364

Divisors of 390645485673993

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 11 27 33 81 99 243 297 891 2673 5147 15441 46323 56617 138969 169851 416907 509553 1250721 1528659 4585977 13757931 28394203 85182609 255547827 312336233 766643481 937008699 2299930443 2811026097 6899791329 8433078291 25299234873 75897704619 146144962841 438434888523 1315304665569 1607594591251 3945913996707 4822783773753 11837741990121 14468351321259 35513225970363 43405053963777 130215161891331 390645485673993
• Sum of all divisors σ(n): 638485246054656
• Sum of proper divisors (its aliquot sum) s(n): 247839760380663
• 390645485673993 is a deficient number, because the sum of its proper divisors (247839760380663) is less than itself. Its deficiency is 142805725293330

Bases of 390645485673993

• Binary: 1011000110100101000111101011010000001111000001001₂
• Hexadecimal: 0x1634A3D681E09
• Base-36: 3UH02403K9

Squares and roots of 390645485673993

• 390645485673993 squared (390645485673993²) is 152603895477469870197476564049
• 390645485673993 cubed (390645485673993³) is 59614022864539481340726628363062990598077657
• The square root of 390645485673993 is 19764753.6203716185
• The cube root of 390645485673993 is 73101.7213097651

Scales and comparisons

• 390,645,485,673,993 seconds is equal to 12,421,318 years, 5 weeks, 21 hours, 26 minutes, 33 seconds.
• To count from 1 to 390,645,485,673,993 would take you about thirty-one million, fifty-three thousand, two hundred ninety-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 390645485673993 cubic inches would be around 6091.8 feet tall.

Recreational maths with 390645485673993

• 390645485673993 backwards is 399376584546093
• 390645485673993 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 390645485673993's digits is 81
• More coming soon!