138880945615248

Names of 138880945615248

• Cardinal: 138880945615248 can be written as One hundred thirty-eight trillion, eight hundred eighty billion, nine hundred forty-five million, six hundred fifteen thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 1.38880945615248 × 10¹⁴

Factors of 138880945615248

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 964451011222

Divisors of 138880945615248

• Number of divisors d(n): 30
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 964451011217 1928902022434 2893353033651 3857804044868 5786706067302 7715608089736 8680059100953 11573412134604 15431216179472 17360118201906 23146824269208 34720236403812 46293648538416 69440472807624 138880945615248
• Sum of all divisors σ(n): 388673757520854
• Sum of proper divisors (its aliquot sum) s(n): 249792811905606
• 138880945615248 is an abundant number, because the sum of its proper divisors (249792811905606) is greater than itself. Its abundance is 110911866290358

Bases of 138880945615248

• Binary: 11111100100111110111101011011011111000110010000₂
• Hexadecimal: 0x7E4FBD6DF190
• Base-36: 1D890X7WK0

Squares and roots of 138880945615248

• 138880945615248 squared (138880945615248²) is 19287917054985472677250101504
• 138880945615248 cubed (138880945615248³) is 2678724159544851798933876191954211730132992
• The square root of 138880945615248 is 11784776.0103978221
• The cube root of 138880945615248 is 51786.2211498203

Scales and comparisons

• 138,880,945,615,248 seconds is equal to 4,415,984 years, 25 weeks, 1 day, 40 minutes, 48 seconds.
• To count from 1 to 138,880,945,615,248 would take you about eleven million, thirty-nine thousand, nine hundred sixty-one 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 138880945615248 cubic inches would be around 4315.5 feet tall.

Recreational maths with 138880945615248

• 138880945615248 backwards is 842516549088831
• 138880945615248 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138880945615248's digits is 72
• More coming soon!