644241509142016

Names of 644241509142016

• Cardinal: 644241509142016 can be written as Six hundred forty-four trillion, two hundred forty-one billion, five hundred nine million, one hundred forty-two thousand and sixteen.

Scientific notation

• Scientific notation: 6.44241509142016 × 10¹⁴

Factors of 644241509142016

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 265

Divisors of 644241509142016

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 263 512 526 1052 2104 4208 8416 16832 33664 67328 69169 134656 138338 276676 553352 1106704 2213408 4426816 8853632 17707264 18191447 35414528 36382894 72765788 145531576 291063152 582126304 1164252608 2328505216 4657010432 4784350561 9314020864 9568701122 19137402244 38274804488 76549608976 153099217952 306198435904 612396871808 1224793743616 1258284197543 2449587487232 2516568395086 5033136790172 10066273580344 20132547160688 40265094321376 80530188642752 161060377285504 322120754571008 644241509142016
• Sum of all divisors σ(n): 1292137805590632
• Sum of proper divisors (its aliquot sum) s(n): 647896296448616
• 644241509142016 is an abundant number, because the sum of its proper divisors (647896296448616) is greater than itself. Its abundance is 3654787306600

Bases of 644241509142016

• Binary: 10010010011110111100101010010011010100111000000000₂
• Hexadecimal: 0x249EF2A4D4E00
• Base-36: 6CD4GOPXJ4

Squares and roots of 644241509142016

• 644241509142016 squared (644241509142016²) is 415047122101582285304456544256
• 644241509142016 cubed (644241509142016³) is 267390584307773954864589918326208422893060096
• The square root of 644241509142016 is 25381913.0315667105
• The cube root of 644241509142016 is 86367.3447133595

Scales and comparisons

• 644,241,509,142,016 seconds is equal to 20,484,887 years, 11 weeks, 3 days, 9 hours, 40 minutes, 16 seconds.
• To count from 1 to 644,241,509,142,016 would take you about fifty-one million, two hundred twelve thousand, two hundred eighteen 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 644241509142016 cubic inches would be around 7197.3 feet tall.

Recreational maths with 644241509142016

• 644241509142016 backwards is 610241905142446
• The number of decimal digits it has is: 15
• The sum of 644241509142016's digits is 49
• More coming soon!