221001350640

Names of 221001350640

• Cardinal: 221001350640 can be written as Two hundred twenty-one billion, one million, three hundred fifty thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.2100135064 × 10¹¹

Factors of 221001350640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 131548440

Divisors of 221001350640

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 131548423 263096846 394645269 526193692 657742115 789290538 920838961 1052387384 1315484230 1578581076 1841677922 1973226345 2104774768 2630968460 2762516883 3157162152 3683355844 3946452690 4604194805 5261936920 5525033766 6314324304 7366711688 7892905380 9208389610 10523873840 11050067532 13812584415 14733423376 15785810760 18416779220 22100135064 27625168830 31571621520 36833558440 44200270128 55250337660 73667116880 110500675320 221001350640
• Sum of all divisors σ(n): 782976219648
• Sum of proper divisors (its aliquot sum) s(n): 561974869008
• 221001350640 is an abundant number, because the sum of its proper divisors (561974869008) is greater than itself. Its abundance is 340973518368

Bases of 221001350640

• Binary: 11001101110100101101001111110111110000₂
• Hexadecimal: 0x3374B4FDF0
• Base-36: 2TIYHXIO

Squares and roots of 221001350640

• 221001350640 squared (221001350640²) is 48841596984704228409600
• 221001350640 cubed (221001350640³) is 10794058901034185899440659142144000
• The square root of 221001350640 is 470107.8074654793
• The cube root of 221001350640 is 6045.9559125685

Scales and comparisons

• 221,001,350,640 seconds is equal to 7,027 years, 8 weeks, 2 days, 4 minutes.
• To count from 1 to 221,001,350,640 would take you about fourteen thousand and 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 221001350640 cubic inches would be around 503.8 feet tall.

Recreational maths with 221001350640

• 221001350640 backwards is 046053100122
• 221001350640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221001350640's digits is 24
• More coming soon!