8420397056

Names of 8420397056

• Cardinal: 8420397056 can be written as Eight billion, four hundred twenty million, three hundred ninety-seven thousand and fifty-six.

Scientific notation

• Scientific notation: 8.420397056 × 10⁹

Factors of 8420397056

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 633

Divisors of 8420397056

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 8 16 32 61 64 67 122 128 134 244 256 268 488 503 512 536 976 1006 1024 1072 1952 2012 2048 2144 3904 4024 4087 4096 4288 7808 8048 8174 8576 15616 16096 16348 17152 30683 31232 32192 32696 33701 34304 61366 62464 64384 65392 67402 68608 122732 124928 128768 130784 134804 137216 245464 249856 257536 261568 269608 274432 490928 515072 523136 539216 981856 1030144 1046272 1078432 1963712 2055761 2060288 2092544 2156864 3927424 4111522 4185088 4313728 7854848 8223044 8370176 8627456 15709696 16446088 16740352 17254912 31419392 32892176 34509824 62838784 65784352 69019648 125677568 131568704 138039296 263137408 526274816 1052549632 2105099264 4210198528 8420397056
• Sum of all divisors σ(n): 17404761024
• Sum of proper divisors (its aliquot sum) s(n): 8984363968
• 8420397056 is an abundant number, because the sum of its proper divisors (8984363968) is greater than itself. Its abundance is 563966912

Bases of 8420397056

• Binary: 111110101111001010001000000000000₂
• Hexadecimal: 0x1F5E51000
• Base-36: 3V9ABY8

Squares and roots of 8420397056

• 8420397056 squared (8420397056²) is 70903086580693467136
• 8420397056 cubed (8420397056³) is 597032141505384377110407151616
• The square root of 8420397056 is 91762.7214940795
• The cube root of 8420397056 is 2034.4367402799

Scales and comparisons

• 8,420,397,056 seconds is equal to 267 years, 38 weeks, 4 days, 7 hours, 10 minutes, 56 seconds.
• To count from 1 to 8,420,397,056 would take you about five hundred thirty-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 8420397056 cubic inches would be around 169.5 feet tall.

Recreational maths with 8420397056

• 8420397056 backwards is 6507930248
• The number of decimal digits it has is: 10
• The sum of 8420397056's digits is 44
• More coming soon!