1389003697483940

Names of 1389003697483940

• Cardinal: 1389003697483940 can be written as One quadrillion, three hundred eighty-nine trillion, three billion, six hundred ninety-seven million, four hundred eighty-three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.38900369748394 × 10¹⁵

Factors of 1389003697483940

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 17026281329

Divisors of 1389003697483940

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 10 20 4079 8158 16316 20395 40790 81580 17026277243 34052554486 68105108972 85131386215 170262772430 340525544860 69450184874197 138900369748394 277800739496788 347250924370985 694501848741970 1389003697483940
• Sum of all divisors σ(n): 2917622868531840
• Sum of proper divisors (its aliquot sum) s(n): 1528619171047900
• 1389003697483940 is an abundant number, because the sum of its proper divisors (1528619171047900) is greater than itself. Its abundance is 139615473563960

Bases of 1389003697483940

• Binary: 100111011110100101010011111111110101111000010100100₂
• Hexadecimal: 0x4EF4A9FFAF0A4
• Base-36: DOCZHMGW4K

Squares and roots of 1389003697483940

• 1389003697483940 squared (1389003697483940²) is 1929331271624056707486557923600
• 1389003697483940 cubed (1389003697483940³) is 2679848269957206536426222536706088390746984000
• The square root of 1389003697483940 is 37269339.9121038901
• The cube root of 1389003697483940 is 111575.2325285829

Scales and comparisons

• 1,389,003,697,483,940 seconds is equal to 44,166,021 years, 5 weeks, 4 days, 20 hours, 12 minutes, 20 seconds.
• To count from 1 to 1,389,003,697,483,940 would take you about one hundred thirty-two million, four hundred ninety-eight thousand and 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 1389003697483940 cubic inches would be around 9297.9 feet tall.

Recreational maths with 1389003697483940

• 1389003697483940 backwards is 0493847963009831
• The number of decimal digits it has is: 16
• The sum of 1389003697483940's digits is 74
• More coming soon!