221438536615339784

Names of 221438536615339784

• Cardinal: 221438536615339784 can be written as Two hundred twenty-one quadrillion, four hundred thirty-eight trillion, five hundred thirty-six billion, six hundred fifteen million, three hundred thirty-nine thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 2.21438536615339784 × 10¹⁷

Factors of 221438536615339784

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 23284

Divisors of 221438536615339784

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 13 26 52 104 169 338 676 1352 2197 4394 8788 17576 23269 46538 93076 186152 302497 604994 1209988 2419976 3932461 7864922 15729844 31459688 51121993 102243986 204487972 408975944 541446361 1082892722 2165785444 4331570888 7038802693 14077605386 28155210772 56310421544 91504435009 183008870018 366017740036 732035480072 1189557655117 2379115310234 4758230620468 9516461240936
• Sum of all divisors σ(n): 221448350619925548
• Sum of proper divisors (its aliquot sum) s(n): 9814004585764
• 221438536615339784 is a deficient number, because the sum of its proper divisors (9814004585764) is less than itself. Its deficiency is 221428722610754020

Bases of 221438536615339784

• Binary: 1100010010101101010010110100000010100010100010011100001000₂
• Hexadecimal: 0x312B52D028A2708
• Base-36: 1OKDERCV6PS8

Squares and roots of 221438536615339784

• 221438536615339784 squared (221438536615339784²) is 49035025498343178201675497773166656
• 221438536615339784 cubed (221438536615339784³) is 10858244289248985805151118606453793626488467099042304
• The square root of 221438536615339784 is 470572562.5398699167
• 221438536615339784 is a perfect cube number. Its cube root is 604994

Scales and comparisons

• 221,438,536,615,339,784 seconds is equal to 7,041,060,510 years, 12 hours, 9 minutes, 44 seconds.
• To count from 1 to 221,438,536,615,339,784 would take you about twenty-one billion, one hundred twenty-three million, one hundred eighty-one thousand, five hundred thirty 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 221438536615339784 cubic inches would be around 50416.2 feet tall.

Recreational maths with 221438536615339784

• 221438536615339784 backwards is 487933516635834122
• The number of decimal digits it has is: 18
• The sum of 221438536615339784's digits is 80
• More coming soon!