138388233015

Names of 138388233015

• Cardinal: 138388233015 can be written as One hundred thirty-eight billion, three hundred eighty-eight million, two hundred thirty-three thousand and fifteen.

Scientific notation

• Scientific notation: 1.38388233015 × 10¹¹

Factors of 138388233015

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 414

Divisors of 138388233015

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 15 17 29 45 51 79 85 87 145 153 237 255 261 281 395 435 493 711 765 843 1185 1305 1343 1405 1479 2291 2465 2529 3555 4029 4215 4437 4777 6715 6873 7395 8149 11455 12087 12645 14331 20145 20619 22185 22199 23885 24447 34365 38947 40745 42993 60435 66597 71655 73341 78961 103095 110995 116841 122235 138533 194735 199791 214965 236883 332985 350523 366705 377383 394805 415599 584205 643771 692665 710649 998955 1132149 1184415 1246797 1342337 1752615 1886915 1931313 2077995 2289869 3218855 3396447 3553245 4027011 5660745 5793939 6233985 6237919 6711685 6869607 9656565 10944107 11449345 12081033 16982235 18713757 20135055 20608821 28969695 31189595 32832321 34348035 38927773 54720535 56141271 60405165 93568785 98496963 103044105 106044623 116783319 164161605 180899651 194638865 280706355 318133869 350349957 492484815 530223115 542698953 583916595 904498255 954401607 1590669345 1628096859 1751749785 2713494765 3075294067 4772008035 8140484295 9225882201 15376470335 27677646603 46129411005 138388233015
• Sum of all divisors σ(n): 267017212800
• Sum of proper divisors (its aliquot sum) s(n): 128628979785
• 138388233015 is a deficient number, because the sum of its proper divisors (128628979785) is less than itself. Its deficiency is 9759253230

Bases of 138388233015

• Binary: 10000000111000100101001101101100110111₂
• Hexadecimal: 0x203894DB37
• Base-36: 1RKOS3ZR

Squares and roots of 138388233015

• 138388233015 squared (138388233015²) is 19151303037013935990225
• 138388233015 cubed (138388233015³) is 2650314987227161743617552062278375
• The square root of 138388233015 is 372005.6894927819
• The cube root of 138388233015 is 5172.4907344891

Scales and comparisons

• 138,388,233,015 seconds is equal to 4,400 years, 16 weeks, 3 days, 15 hours, 50 minutes, 15 seconds.
• To count from 1 to 138,388,233,015 would take you about eight thousand, eight hundred 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 138388233015 cubic inches would be around 431 feet tall.

Recreational maths with 138388233015

• 138388233015 backwards is 510332883831
• 138388233015 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138388233015's digits is 45
• More coming soon!