388409810181128

Names of 388409810181128

• Cardinal: 388409810181128 can be written as Three hundred eighty-eight trillion, four hundred nine billion, eight hundred ten million, one hundred eighty-one thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.88409810181128 × 10¹⁴

Factors of 388409810181128

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 193

Divisors of 388409810181128

• Number of divisors d(n): 28
• Complete list of divisors:
  1 2 4 8 191 382 764 1528 36481 72962 145924 291848 6967871 13935742 27871484 55742968 1330863361 2661726722 5323453444 10646906888 254194901951 508389803902 1016779607804 2033559215608 48551226272641 97102452545282 194204905090564 388409810181128
• Sum of all divisors σ(n): 732101385637455
• Sum of proper divisors (its aliquot sum) s(n): 343691575456327
• 388409810181128 is a deficient number, because the sum of its proper divisors (343691575456327) is less than itself. Its deficiency is 44718234724801

Bases of 388409810181128

• Binary: 1011000010100000110110100110000110101110000001000₂
• Hexadecimal: 0x16141B4C35C08
• Base-36: 3TOH04JCW8

Squares and roots of 388409810181128

• 388409810181128 squared (388409810181128²) is 150862180644939884164167352384
• 388409810181128 cubed (388409810181128³) is 58596350947812142925482921486559791242609152
• The square root of 388409810181128 is 19708115.3381323603
• 388409810181128 is a perfect cube number. Its cube root is 72962
• Being both a perfect square and a perfect cube, 388409810181128 is also a perfect sixth number.

Scales and comparisons

• 388,409,810,181,128 seconds is equal to 12,350,230 years, 27 weeks, 5 days, 3 hours, 12 minutes, 8 seconds.
• To count from 1 to 388,409,810,181,128 would take you about thirty million, eight hundred seventy-five thousand, five hundred seventy-six 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 388409810181128 cubic inches would be around 6080.2 feet tall.

Recreational maths with 388409810181128

• 388409810181128 backwards is 821181018904883
• The number of decimal digits it has is: 15
• The sum of 388409810181128's digits is 62
• More coming soon!