64489979101440

Names of 64489979101440

• Cardinal: 64489979101440 can be written as Sixty-four trillion, four hundred eighty-nine billion, nine hundred seventy-nine million, one hundred one thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.448997910144 × 10¹³

Factors of 64489979101440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 16794265401

Divisors of 64489979101440

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 16794265391 33588530782 50382796173 67177061564 83971326955 100765592346 134354123128 167942653910 201531184692 251913980865 268708246256 335885307820 403062369384 503827961730 537416492512 671770615640 806124738768 1007655923460 1074832985024 1343541231280 1612249477536 2015311846920 2149665970048 2687082462560 3224498955072 4030623693840 4299331940096 5374164925120 6448997910144 8061247387680 10748329850240 12897995820288 16122494775360 21496659700480 32244989550720 64489979101440
• Sum of all divisors σ(n): 205964870767488
• Sum of proper divisors (its aliquot sum) s(n): 141474891666048
• 64489979101440 is an abundant number, because the sum of its proper divisors (141474891666048) is greater than itself. Its abundance is 76984912564608

Bases of 64489979101440

• Binary: 1110101010011100111110010010111100000100000000₂
• Hexadecimal: 0x3AA73E4BC100
• Base-36: MUYACH3PC

Squares and roots of 64489979101440

• 64489979101440 squared (64489979101440²) is 4158957404504167949810073600
• 64489979101440 cubed (64489979101440³) is 268211076100252935608627497281188265984000
• The square root of 64489979101440 is 8030565.3039770495
• The cube root of 64489979101440 is 40101.8195788867

Scales and comparisons

• 64,489,979,101,440 seconds is equal to 2,050,581 years, 44 weeks, 3 days, 3 hours, 44 minutes.
• To count from 1 to 64,489,979,101,440 would take you about five million, one hundred twenty-six thousand, four hundred fifty-four 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 64489979101440 cubic inches would be around 3341.8 feet tall.

Recreational maths with 64489979101440

• 64489979101440 backwards is 04410197998446
• The number of decimal digits it has is: 14
• The sum of 64489979101440's digits is 66
• More coming soon!