19978713774440

Names of 19978713774440

• Cardinal: 19978713774440 can be written as Nineteen trillion, nine hundred seventy-eight billion, seven hundred thirteen million, seven hundred seventy-four thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.997871377444 × 10¹³

Factors of 19978713774440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 126096658

Divisors of 19978713774440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 17 20 34 40 68 85 136 170 233 340 466 680 932 1165 1864 2330 3961 4660 7922 9320 15844 19805 31688 39610 79220 158440 126096401 252192802 504385604 630482005 1008771208 1260964010 2143638817 2521928020 4287277634 5043856040 8574555268 10718194085 17149110536 21436388170 29380461433 42872776340 58760922866 85745552680 117521845732 146902307165 235043691464 293804614330 499467844361 587609228660 998935688722 1175218457320 1997871377444 2497339221805 3995742754888 4994678443610 9989356887220 19978713774440
• Sum of all divisors σ(n): 47800624070160
• Sum of proper divisors (its aliquot sum) s(n): 27821910295720
• 19978713774440 is an abundant number, because the sum of its proper divisors (27821910295720) is greater than itself. Its abundance is 7843196521280

Bases of 19978713774440

• Binary: 100100010101110101000001000110011100101101000₂
• Hexadecimal: 0x122BA8233968
• Base-36: 72Y3ECGO8

Squares and roots of 19978713774440

• 19978713774440 squared (19978713774440²) is 399149004080998591197313600
• 19978713774440 cubed (19978713774440³) is 7974483705887054327424003752244344384000
• The square root of 19978713774440 is 4469755.4490642997
• The cube root of 19978713774440 is 27134.5427965639

Scales and comparisons

• 19,978,713,774,440 seconds is equal to 635,261 years, 15 weeks, 4 days, 3 hours, 7 minutes, 20 seconds.
• To count from 1 to 19,978,713,774,440 would take you about one million, five hundred eighty-eight thousand, one hundred fifty-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 19978713774440 cubic inches would be around 2261.2 feet tall.

Recreational maths with 19978713774440

• 19978713774440 backwards is 04447731787991
• The number of decimal digits it has is: 14
• The sum of 19978713774440's digits is 71
• More coming soon!