138251842875

Names of 138251842875

• Cardinal: 138251842875 can be written as One hundred thirty-eight billion, two hundred fifty-one million, eight hundred forty-two thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.38251842875 × 10¹¹

Factors of 138251842875

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2800

Divisors of 138251842875

• Number of divisors d(n): 112
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 125 135 225 243 375 405 675 729 739 1125 1215 2025 2053 2217 3375 3645 3695 6075 6159 6651 10125 10265 11085 18225 18475 18477 19953 30375 30795 33255 51325 55425 55431 59859 91125 92375 92385 99765 153975 166275 166293 179577 256625 277125 277155 299295 461925 498825 498879 538731 769875 831375 831465 897885 1385775 1496475 1496637 1517167 2309625 2494125 2494395 2693655 4157325 4489425 4551501 6928875 7482375 7483185 7585835 12471975 13468275 13654503 20786625 22447125 22757505 37415925 37929175 40963509 62359875 67341375 68272515 113787525 122890527 187079625 189645875 204817545 341362575 368671581 568937625 614452635 1024087725 1106014743 1706812875 1843357905 3072263175 5120438625 5530073715 9216789525 15361315875 27650368575 46083947625 138251842875
• Sum of all divisors σ(n): 259165339680
• Sum of proper divisors (its aliquot sum) s(n): 120913496805
• 138251842875 is a deficient number, because the sum of its proper divisors (120913496805) is less than itself. Its deficiency is 17338346070

Bases of 138251842875

• Binary: 10000000110000011100111011010100111011₂
• Hexadecimal: 0x203073B53B
• Base-36: 1RIFKSOR

Squares and roots of 138251842875

• 138251842875 squared (138251842875²) is 19113572058333688265625
• 138251842875 cubed (138251842875³) is 2642486560988739404418418763671875
• The square root of 138251842875 is 371822.3270259601
• The cube root of 138251842875 is 5170.7909063783

Scales and comparisons

• 138,251,842,875 seconds is equal to 4,395 years, 51 weeks, 1 hour, 41 minutes, 15 seconds.
• To count from 1 to 138,251,842,875 would take you about eight thousand, seven hundred ninety-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 138251842875 cubic inches would be around 430.9 feet tall.

Recreational maths with 138251842875

• 138251842875 backwards is 578248152831
• The number of decimal digits it has is: 12
• The sum of 138251842875's digits is 54
• More coming soon!