1664104861378368

Names of 1664104861378368

• Cardinal: 1664104861378368 can be written as One quadrillion, six hundred sixty-four trillion, one hundred four billion, eight hundred sixty-one million, three hundred seventy-eight thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.664104861378368 × 10¹⁵

Factors of 1664104861378368

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 963023646636

Divisors of 1664104861378368

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 963023646631 1926047293262 2889070939893 3852094586524 5778141879786 7704189173048 8667212819679 11556283759572 15408378346096 17334425639358 23112567519144 26001638459037 30816756692192 34668851278716 46225135038288 52003276918074 61633513384384 69337702557432 92450270076576 104006553836148 138675405114864 184900540153152 208013107672296 277350810229728 416026215344592 554701620459456 832052430689184 1664104861378368
• Sum of all divisors σ(n): 4892160124890560
• Sum of proper divisors (its aliquot sum) s(n): 3228055263512192
• 1664104861378368 is an abundant number, because the sum of its proper divisors (3228055263512192) is greater than itself. Its abundance is 1563950402133824

Bases of 1664104861378368

• Binary: 101111010010111111010011011001000011010011101000000₂
• Hexadecimal: 0x5E97E9B21A740
• Base-36: GDVJ7WJTC0

Squares and roots of 1664104861378368

• 1664104861378368 squared (1664104861378368²) is 2769244989663117377236858343424
• 1664104861378368 cubed (1664104861378368³) is 4608314049646082068122281113450641401748652032
• The square root of 1664104861378368 is 40793441.4015092381
• The cube root of 1664104861378368 is 118502.3318780885

Scales and comparisons

• 1,664,104,861,378,368 seconds is equal to 52,913,387 years, 9 weeks, 1 day, 14 hours, 52 minutes, 48 seconds.
• To count from 1 to 1,664,104,861,378,368 would take you about one hundred fifty-eight million, seven hundred forty thousand, one 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 1664104861378368 cubic inches would be around 9875.2 feet tall.

Recreational maths with 1664104861378368

• 1664104861378368 backwards is 8638731684014661
• 1664104861378368 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1664104861378368's digits is 72
• More coming soon!