668352512

Names of 668352512

• Cardinal: 668352512 can be written as Six hundred sixty-eight million, three hundred fifty-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 6.68352512 × 10⁸

Factors of 668352512

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 134

Divisors of 668352512

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 76 113 128 152 226 256 304 361 452 512 608 722 904 1024 1216 1444 1808 2048 2147 2432 2888 3616 4096 4294 4864 5776 7232 8192 8588 9728 11552 14464 16384 17176 19456 23104 28928 34352 38912 40793 46208 57856 68704 77824 81586 92416 115712 137408 155648 163172 184832 231424 274816 311296 326344 369664 462848 549632 652688 739328 925696 1099264 1305376 1478656 1851392 2198528 2610752 2957312 4397056 5221504 5914624 8794112 10443008 17588224 20886016 35176448 41772032 83544064 167088128 334176256 668352512
• Sum of all divisors σ(n): 1423201878
• Sum of proper divisors (its aliquot sum) s(n): 754849366
• 668352512 is an abundant number, because the sum of its proper divisors (754849366) is greater than itself. Its abundance is 86496854

Bases of 668352512

• Binary: 100111110101100100000000000000₂
• Hexadecimal: 0x27D64000
• Base-36: B1X43K

Squares and roots of 668352512

• 668352512 squared (668352512²) is 446695080296710144
• 668352512 cubed (668352512³) is 298549779014347930078281728
• The square root of 668352512 is 25852.5146165707
• The cube root of 668352512 is 874.3162056865

Scales and comparisons

• 668,352,512 seconds is equal to 21 years, 13 weeks, 13 hours, 28 minutes, 32 seconds.
• To count from 1 to 668,352,512 would take you about thirty-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 668352512 cubic inches would be around 72.9 feet tall.

Recreational maths with 668352512

• 668352512 backwards is 215253866
• 668352512 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 668352512's digits is 38
• More coming soon!