6645513336

Names of 6645513336

• Cardinal: 6645513336 can be written as Six billion, six hundred forty-five million, five hundred thirteen thousand, three hundred thirty-six.

Scientific notation

• Scientific notation: 6.645513336 × 10⁹

Factors of 6645513336

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11825

Divisors of 6645513336

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 132 154 168 231 264 308 313 462 616 626 924 939 1252 1848 1878 2191 2504 3443 3756 4382 6573 6886 7512 8764 10329 11489 13146 13772 17528 20658 22978 24101 26292 27544 34467 41316 45956 48202 52584 68934 72303 80423 82632 91912 96404 126379 137868 144606 160846 192808 241269 252758 275736 289212 321692 379137 482538 505516 578424 643384 758274 884653 965076 1011032 1516548 1769306 1930152 2653959 3033096 3538612 3596057 5307918 7077224 7192114 10615836 10788171 14384228 21231672 21576342 25172399 28768456 39556627 43152684 50344798 75517197 79113254 86305368 100689596 118669881 151034394 158226508 201379192 237339762 276896389 302068788 316453016 474679524 553792778 604137576 830689167 949359048 1107585556 1661378334 2215171112 3322756668 6645513336
• Sum of all divisors σ(n): 20781273600
• Sum of proper divisors (its aliquot sum) s(n): 14135760264
• 6645513336 is an abundant number, because the sum of its proper divisors (14135760264) is greater than itself. Its abundance is 7490246928

Bases of 6645513336

• Binary: 110001100000110100111110001111000₂
• Hexadecimal: 0x18C1A7C78
• Base-36: 31WKEWO

Squares and roots of 6645513336

• 6645513336 squared (6645513336²) is 44162847498953848896
• 6645513336 cubed (6645513336³) is 293484792010032048886896877056
• The square root of 6645513336 is 81520.0180078489
• The cube root of 6645513336 is 1880.0793440181

Scales and comparisons

• 6,645,513,336 seconds is equal to 211 years, 15 weeks, 6 days, 15 hours, 55 minutes, 36 seconds.
• To count from 1 to 6,645,513,336 would take you about four hundred twenty-two 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 6645513336 cubic inches would be around 156.7 feet tall.

Recreational maths with 6645513336

• 6645513336 backwards is 6333155466
• 6645513336 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6645513336's digits is 42
• More coming soon!