138872711243231896

Names of 138872711243231896

• Cardinal: 138872711243231896 can be written as One hundred thirty-eight quadrillion, eight hundred seventy-two trillion, seven hundred eleven billion, two hundred forty-three million, two hundred thirty-one thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 1.38872711243231896 × 10¹⁷

Factors of 138872711243231896

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 64056292

Divisors of 138872711243231896

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 28 56 5647 6857 11294 13714 22588 27428 39529 45176 47999 54856 79058 95998 158116 191996 316232 383992 38721479 64043779 77442958 128087558 154885916 256175116 271050353 309771832 448306453 512350232 542100706 896612906 1084201412 1793225812 2168402824 3586451624 361655220013 439148192603 723310440026 878296385206 1446620880052 1756592770412 2531586540091 2893241760104 3074037348221 3513185540824 5063173080182 6148074696442 10126346160364 12296149392884 20252692320728 24592298785768 2479869843629141 4959739687258282 9919479374516564 17359088905403987 19838958749033128 34718177810807974 69436355621615948 138872711243231896
• Sum of all divisors σ(n): 297680489978342400
• Sum of proper divisors (its aliquot sum) s(n): 158807778735110504
• 138872711243231896 is an abundant number, because the sum of its proper divisors (158807778735110504) is greater than itself. Its abundance is 19935067491878608

Bases of 138872711243231896

• Binary: 111101101010111111111111010111110101001011111001010011000₂
• Hexadecimal: 0x1ED5FFEBEA5F298
• Base-36: 11ZE9MTB2KD4

Squares and roots of 138872711243231896

• 138872711243231896 squared (138872711243231896²) is 19285629928046066657541867231754816
• 138872711243231896 cubed (138872711243231896³) is 2678247716141372542572536066932147651386171302811136
• The square root of 138872711243231896 is 372656291.0286526963
• The cube root of 138872711243231896 is 517851.9764623259

Scales and comparisons

• 138,872,711,243,231,896 seconds is equal to 4,415,722,656 years, 1 week, 5 days, 15 hours, 58 minutes, 16 seconds.
• To count from 1 to 138,872,711,243,231,896 would take you about thirteen billion, two hundred forty-seven million, one hundred sixty-seven thousand, nine hundred sixty-eight 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 138872711243231896 cubic inches would be around 43154.3 feet tall.

Recreational maths with 138872711243231896

• 138872711243231896 backwards is 698132342117278831
• The number of decimal digits it has is: 18
• The sum of 138872711243231896's digits is 76
• More coming soon!