668627568

Names of 668627568

• Cardinal: 668627568 can be written as Six hundred sixty-eight million, six hundred twenty-seven thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 6.68627568 × 10⁸

Factors of 668627568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1880

Divisors of 668627568

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 127 144 168 189 216 252 254 336 378 381 432 504 508 756 762 889 1008 1016 1143 1512 1524 1741 1778 2032 2286 2667 3024 3048 3429 3482 3556 4572 5223 5334 6096 6858 6964 7112 8001 9144 10446 10668 12187 13716 13928 14224 15669 16002 18288 20892 21336 24003 24374 27432 27856 31338 32004 36561 41784 42672 47007 48006 48748 54864 62676 64008 73122 83568 94014 96012 97496 109683 125352 128016 146244 188028 192024 194992 219366 221107 250704 292488 329049 376056 384048 438732 442214 584976 658098 663321 752112 877464 884428 1316196 1326642 1547749 1754928 1768856 1989963 2632392 2653284 3095498 3537712 3979926 4643247 5264784 5306568 5969889 6190996 7959852 9286494 10613136 11939778 12381992 13929741 15919704 18572988 23879556 24763984 27859482 31839408 37145976 41789223 47759112 55718964 74291952 83578446 95518224 111437928 167156892 222875856 334313784 668627568
• Sum of all divisors σ(n): 2211921920
• Sum of proper divisors (its aliquot sum) s(n): 1543294352
• 668627568 is an abundant number, because the sum of its proper divisors (1543294352) is greater than itself. Its abundance is 874666784

Bases of 668627568

• Binary: 100111110110100111001001110000₂
• Hexadecimal: 0x27DA7270
• Base-36: B230C0

Squares and roots of 668627568

• 668627568 squared (668627568²) is 447062824689594624
• 668627568 cubed (668627568³) is 298918529215414008350994432
• The square root of 668627568 is 25857.8337839813
• The cube root of 668627568 is 874.4361288963

Scales and comparisons

• 668,627,568 seconds is equal to 21 years, 13 weeks, 3 days, 17 hours, 52 minutes, 48 seconds.
• To count from 1 to 668,627,568 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 668627568 cubic inches would be around 72.9 feet tall.

Recreational maths with 668627568

• 668627568 backwards is 865726866
• 668627568 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 668627568's digits is 54
• More coming soon!