664309421568

Names of 664309421568

• Cardinal: 664309421568 can be written as Six hundred sixty-four billion, three hundred nine million, four hundred twenty-one thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 6.64309421568 × 10¹¹

Factors of 664309421568

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 241

Divisors of 664309421568

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 223 234 256 288 312 384 416 446 468 512 576 624 669 768 832 892 936 1152 1248 1338 1536 1664 1784 1872 2007 2304 2496 2676 2899 3328 3568 3744 4014 4608 4992 5352 5798 6656 7136 7488 8028 8697 9984 10704 11596 14272 14976 16056 17394 19968 21408 23192 26091 28544 29952 32112 34788 42816 46384 49729 52182 57088 59904 64224 69576 85632 92768 99458 104364 114176 128448 139152 149187 171264 185536 198916 208728 256896 278304 298374 342528 371072 397832 417456 447561 513792 556608 596748 646477 742144 795664 834912 895122 1027584 1113216 1193496 1292954 1484288 1591328 1669824 1790244 1939431 2226432 2386992 2585908 3182656 3339648 3580488 3878862 4452864 4773984 5171816 5818293 6365312 6679296 7160976 7757724 9547968 10343632 11089567 11636586 12730624 13358592 14321952 15515448 19095936 20687264 22179134 23273172 25461248 28643904 31030896 33268701 38191872 41374528 44358268 46546344 57287808 62061792 66537402 76383744 82749056 88716536 93092688 99806103 114575616 124123584 133074804 144164371 165498112 177433072 186185376 199612206 229151232 248247168 266149608 288328742 330996224 354866144 372370752 399224412 432493113 496494336 532299216 576657484 709732288 744741504 798448824 864986226 992988672 1064598432 1153314968 1297479339 1419464576 1489483008 1596897648 1729972452 2129196864 2306629936 2594958678 2838929152 2978966016 3193795296 3459944904 4258393728 4613259872 5189917356 5677858304 6387590592 6919889808 8516787456 9226519744 10379834712 12775181184 13839779616 17033574912 18453039488 20759669424 25550362368 27679559232 36906078976 41519338848 51100724736 55359118464 73812157952 83038677696 110718236928 166077355392 221436473856 332154710784 664309421568
• Sum of all divisors σ(n): 2074022670720
• Sum of proper divisors (its aliquot sum) s(n): 1409713249152
• 664309421568 is an abundant number, because the sum of its proper divisors (1409713249152) is greater than itself. Its abundance is 745403827584

Bases of 664309421568

• Binary: 1001101010101011111011010101011000000000₂
• Hexadecimal: 0x9AABED5600
• Base-36: 8H6GOE80

Squares and roots of 664309421568

• 664309421568 squared (664309421568²) is 441307007584010743578624
• 664309421568 cubed (664309421568³) is 293164402942039166232213279769362432
• The square root of 664309421568 is 815051.7907274359
• The cube root of 664309421568 is 8725.4962717717

Scales and comparisons

• 664,309,421,568 seconds is equal to 21,122 years, 51 weeks, 1 day, 10 hours, 52 minutes, 48 seconds.
• To count from 1 to 664,309,421,568 would take you about forty-two thousand, two hundred forty-five 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 664309421568 cubic inches would be around 727.1 feet tall.

Recreational maths with 664309421568

• 664309421568 backwards is 865124903466
• The number of decimal digits it has is: 12
• The sum of 664309421568's digits is 54
• More coming soon!