640272328676864

Names of 640272328676864

• Cardinal: 640272328676864 can be written as Six hundred forty trillion, two hundred seventy-two billion, three hundred twenty-eight million, six hundred seventy-six thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 6.40272328676864 × 10¹⁴

Factors of 640272328676864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 86741215

Divisors of 640272328676864

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1109 1664 2218 3328 4436 6656 8872 14417 17744 28834 35488 57668 70976 115336 141952 230672 283904 461344 567808 922688 1845376 3690752 7381504 86740091 173480182 346960364 693920728 1127621183 1387841456 2255242366 2775682912 4510484732 5551365824 9020969464 11102731648 18041938928 22205463296 36083877856 44410926592 72167755712 96194760919 144335511424 192389521838 288671022848 384779043676 577342045696 769558087352 1250531891947 1539116174704 2501063783894 3078232349408 5002127567788 6156464698816 10004255135576 12312929397632 20008510271152 24625858795264 40017020542304 49251717590528 80034041084608 160068082169216 320136164338432 640272328676864
• Sum of all divisors σ(n): 1378943673362640
• Sum of proper divisors (its aliquot sum) s(n): 738671344685776
• 640272328676864 is an abundant number, because the sum of its proper divisors (738671344685776) is greater than itself. Its abundance is 98399016008912

Bases of 640272328676864

• Binary: 10010001100101001100000100101101011101011000000000₂
• Hexadecimal: 0x2465304B5D600
• Base-36: 6AYH1P5HQ8

Squares and roots of 640272328676864

• 640272328676864 squared (640272328676864²) is 409948654869294162496928874496
• 640272328676864 cubed (640272328676864³) is 262478779891110995468168867328295012394860544
• The square root of 640272328676864 is 25303603.0769703625
• The cube root of 640272328676864 is 86189.6090835647

Scales and comparisons

• 640,272,328,676,864 seconds is equal to 20,358,679 years, 29 weeks, 16 hours, 27 minutes, 44 seconds.
• To count from 1 to 640,272,328,676,864 would take you about fifty million, eight hundred ninety-six thousand, six hundred ninety-eight 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 640272328676864 cubic inches would be around 7182.5 feet tall.

Recreational maths with 640272328676864

• 640272328676864 backwards is 468676823272046
• The number of decimal digits it has is: 15
• The sum of 640272328676864's digits is 71
• More coming soon!