668436912

Names of 668436912

• Cardinal: 668436912 can be written as Six hundred sixty-eight million, four hundred thirty-six thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 6.68436912 × 10⁸

Factors of 668436912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 256

Divisors of 668436912

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 33 36 39 44 48 52 66 72 78 88 99 104 117 121 132 143 144 156 169 176 198 208 227 234 242 264 286 312 338 363 396 429 454 468 484 507 528 572 624 676 681 726 792 858 908 936 968 1014 1089 1144 1287 1352 1362 1452 1521 1573 1584 1716 1816 1859 1872 1936 2028 2043 2178 2288 2497 2574 2704 2724 2904 2951 3042 3146 3432 3632 3718 4056 4086 4356 4719 4994 5148 5448 5577 5808 5902 6084 6292 6864 7436 7491 8112 8172 8712 8853 9438 9988 10296 10896 11154 11804 12168 12584 14157 14872 14982 16344 16731 17424 17706 18876 19976 20449 20592 22308 22473 23608 24336 25168 26559 27467 28314 29744 29964 32461 32688 33462 35412 37752 38363 39952 40898 44616 44946 47216 53118 54934 56628 59928 61347 64922 66924 70824 75504 76726 81796 82401 89232 89892 97383 106236 109868 113256 115089 119856 122694 129844 133848 141648 153452 163592 164802 179784 184041 194766 212472 219736 226512 230178 245388 247203 259688 267696 292149 306904 327184 329604 345267 357071 359568 368082 389532 421993 424944 439472 460356 490776 494406 519376 584298 613808 659208 690534 714142 736164 779064 843986 920712 981552 988812 1071213 1168596 1265979 1318416 1381068 1428284 1472328 1558128 1687972 1841424 1977624 2142426 2337192 2531958 2762136 2856568 2944656 3213639 3375944 3797937 3955248 4284852 4641923 4674384 5063916 5524272 5713136 6427278 6751888 7595874 8569704 9283846 10127832 12854556 13925769 15191748 17139408 18567692 20255664 25709112 27851538 30383496 37135384 41777307 51418224 55703076 60766992 74270768 83554614 111406152 167109228 222812304 334218456 668436912
• Sum of all divisors σ(n): 2236364676
• Sum of proper divisors (its aliquot sum) s(n): 1567927764
• 668436912 is an abundant number, because the sum of its proper divisors (1567927764) is greater than itself. Its abundance is 899490852

Bases of 668436912

• Binary: 100111110101111000100110110000₂
• Hexadecimal: 0x27D789B0
• Base-36: B1YX80

Squares and roots of 668436912

• 668436912 squared (668436912²) is 446807905324095744
• 668436912 cubed (668436912³) is 298662896492026918311702528
• The square root of 668436912 is 25854.1469014161
• The cube root of 668436912 is 874.3530072149

Scales and comparisons

• 668,436,912 seconds is equal to 21 years, 13 weeks, 1 day, 12 hours, 55 minutes, 12 seconds.
• To count from 1 to 668,436,912 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 668436912 cubic inches would be around 72.9 feet tall.

Recreational maths with 668436912

• 668436912 backwards is 219634866
• The number of decimal digits it has is: 9
• The sum of 668436912's digits is 45
• More coming soon!