664534990512

Names of 664534990512

• Cardinal: 664534990512 can be written as Six hundred sixty-four billion, five hundred thirty-four million, nine hundred ninety thousand, five hundred twelve.

Scientific notation

• Scientific notation: 6.64534990512 × 10¹¹

Factors of 664534990512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13613175

Divisors of 664534990512

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 113 144 216 226 339 432 452 678 904 1017 1356 1808 2034 2712 3051 4068 5424 6102 8136 12204 16272 24408 48816 13613057 27226114 40839171 54452228 81678342 108904456 122517513 163356684 217808912 245035026 326713368 367552539 490070052 653426736 735105078 980140104 1470210156 1538275441 1960280208 2940420312 3076550882 4614826323 5880840624 6153101764 9229652646 12306203528 13844478969 18459305292 24612407056 27688957938 36918610584 41533436907 55377915876 73837221168 83066873814 110755831752 166133747628 221511663504 332267495256 664534990512
• Sum of all divisors σ(n): 1924341878880
• Sum of proper divisors (its aliquot sum) s(n): 1259806888368
• 664534990512 is an abundant number, because the sum of its proper divisors (1259806888368) is greater than itself. Its abundance is 595271897856

Bases of 664534990512

• Binary: 1001101010111001010111110011111010110000₂
• Hexadecimal: 0x9AB95F3EB0
• Base-36: 8HA6Z4C0

Squares and roots of 664534990512

• 664534990512 squared (664534990512²) is 441606753614783930022144
• 664534990512 cubed (664534990512³) is 293463139823435560640195534989897728
• The square root of 664534990512 is 815190.1560445881
• The cube root of 664534990512 is 8726.4837524987

Scales and comparisons

• 664,534,990,512 seconds is equal to 21,130 years, 8 weeks, 1 day, 4 hours, 55 minutes, 12 seconds.
• To count from 1 to 664,534,990,512 would take you about forty-two thousand, two hundred sixty 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 664534990512 cubic inches would be around 727.2 feet tall.

Recreational maths with 664534990512

• 664534990512 backwards is 215099435466
• 664534990512 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664534990512's digits is 54
• More coming soon!