2213918322350721

Names of 2213918322350721

• Cardinal: 2213918322350721 can be written as Two quadrillion, two hundred thirteen trillion, nine hundred eighteen billion, three hundred twenty-two million, three hundred fifty thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 2.213918322350721 × 10¹⁵

Factors of 2213918322350721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 15951053

Divisors of 2213918322350721

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 21 257 771 1799 5397 25759 77277 180313 540939 6620063 15925027 19860189 46340441 47775081 111475189 139021323 334425567 4092731939 12278195817 28649123573 85947370719 410212770493 1230638311479 2871489393451 8614468180353 105424682016701 316274046050103 737972774116907 2213918322350721
• Sum of all divisors σ(n): 3386848322887680
• Sum of proper divisors (its aliquot sum) s(n): 1172930000536959
• 2213918322350721 is a deficient number, because the sum of its proper divisors (1172930000536959) is less than itself. Its deficiency is 1040988321813762

Bases of 2213918322350721

• Binary: 111110111011000110000000111001010100101101010000001₂
• Hexadecimal: 0x7DD8C072A5A81
• Base-36: LSRO1BG7SX

Squares and roots of 2213918322350721

• 2213918322350721 squared (2213918322350721²) is 4901434338040230979743329219841
• 2213918322350721 cubed (2213918322350721³) is 10851375286786244891637575266530515994113855361
• The square root of 2213918322350721 is 47052293.4866167921
• The cube root of 2213918322350721 is 130332.8418115463

Scales and comparisons

• 2,213,918,322,350,721 seconds is equal to 70,395,754 years, 28 weeks, 4 days, 20 hours, 5 minutes, 21 seconds.
• To count from 1 to 2,213,918,322,350,721 would take you about two hundred eleven million, one hundred eighty-seven thousand, two hundred sixty-three 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 2213918322350721 cubic inches would be around 10861.1 feet tall.

Recreational maths with 2213918322350721

• 2213918322350721 backwards is 1270532238193122
• The number of decimal digits it has is: 16
• The sum of 2213918322350721's digits is 51
• More coming soon!