664421566464

Names of 664421566464

• Cardinal: 664421566464 can be written as Six hundred sixty-four billion, four hundred twenty-one million, five hundred sixty-six thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 6.64421566464 × 10¹¹

Factors of 664421566464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 33227

Divisors of 664421566464

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1123 1152 1536 2048 2246 2304 3072 3369 4492 4608 6144 6738 8984 9216 10107 13476 17968 18432 20214 26952 32099 35936 40428 53904 64198 71872 80856 96297 107808 128396 143744 161712 192594 215616 256792 287488 288891 323424 385188 431232 513584 574976 577782 646848 770376 862464 1027168 1149952 1155564 1293696 1540752 1724928 2054336 2299904 2311128 2587392 3081504 3449856 4108672 4622256 5174784 6163008 6899712 8217344 9244512 10349568 12326016 16434688 18489024 20699136 24652032 32869376 36047177 36978048 49304064 65738752 72094354 73956096 98608128 108141531 144188708 147912192 197216256 216283062 288377416 295824384 324424593 432566124 576754832 591648768 648849186 865132248 1153509664 1297698372 1730264496 2307019328 2595396744 3460528992 4614038656 5190793488 6921057984 9228077312 10381586976 13842115968 18456154624 20763173952 27684231936 36912309248 41526347904 55368463872 73824618496 83052695808 110736927744 166105391616 221473855488 332210783232 664421566464
• Sum of all divisors σ(n): 1920740094000
• Sum of proper divisors (its aliquot sum) s(n): 1256318527536
• 664421566464 is an abundant number, because the sum of its proper divisors (1256318527536) is greater than itself. Its abundance is 591896961072

Bases of 664421566464

• Binary: 1001101010110010100111001000100000000000₂
• Hexadecimal: 0x9AB29C8800
• Base-36: 8H8BG1S0

Squares and roots of 664421566464

• 664421566464 squared (664421566464²) is 441456017982475569463296
• 664421566464 cubed (664421566464³) is 293312898992876170763413572072505344
• The square root of 664421566464 is 815120.5840021463
• The cube root of 664421566464 is 8725.9872401781

Scales and comparisons

• 664,421,566,464 seconds is equal to 21,126 years, 28 weeks, 4 days, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 664,421,566,464 would take you about forty-two thousand, two hundred fifty-three 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 664421566464 cubic inches would be around 727.2 feet tall.

Recreational maths with 664421566464

• 664421566464 backwards is 464665124466
• The number of decimal digits it has is: 12
• The sum of 664421566464's digits is 54
• More coming soon!