138298508370247679

Names of 138298508370247679

• Cardinal: 138298508370247679 can be written as One hundred thirty-eight quadrillion, two hundred ninety-eight trillion, five hundred eight billion, three hundred seventy million, two hundred forty-seven thousand, six hundred seventy-nine.

Scientific notation

• Scientific notation: 1.38298508370247679 × 10¹⁷

Factors of 138298508370247679

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2223071

Divisors of 138298508370247679

• Number of divisors d(n): 32
• Complete list of divisors:
  1 61 557 719 2551 33977 43859 155611 400483 1420907 1834169 2219183 24429463 86675327 111884309 135370163 1021632133 1236084931 1595592577 5661135833 62319560113 75401180791 97331147197 345329285813 888745065389 3153252658981 4070356663927 54213448988729 192348412197841 248291756499547 2267188661807339 138298508370247679
• Sum of all divisors σ(n): 141069253264220160
• Sum of proper divisors (its aliquot sum) s(n): 2770744893972481
• 138298508370247679 is a deficient number, because the sum of its proper divisors (2770744893972481) is less than itself. Its deficiency is 135527763476275198

Bases of 138298508370247679

• Binary: 111101011010101011100001010111000010111111111111111111111₂
• Hexadecimal: 0x1EB55C2B85FFFFF
• Base-36: 11TQQ9NLZ3ZZ

Squares and roots of 138298508370247679

• 138298508370247679 squared (138298508370247679²) is 19126477417435467329409207804887041
• 138298508370247679 cubed (138298508370247679³) is 2645163297208552189191433871871920509822939787427839
• The square root of 138298508370247679 is 371885074.1428696799
• The cube root of 138298508370247679 is 517137.2623456829

Scales and comparisons

• 138,298,508,370,247,679 seconds is equal to 4,397,464,780 years, 41 weeks, 4 days, 4 hours, 47 minutes, 59 seconds.
• To count from 1 to 138,298,508,370,247,679 would take you about thirteen billion, one hundred ninety-two million, three hundred ninety-four thousand, three hundred forty-two 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 138298508370247679 cubic inches would be around 43094.8 feet tall.

Recreational maths with 138298508370247679

• 138298508370247679 backwards is 976742073805892831
• The number of decimal digits it has is: 18
• The sum of 138298508370247679's digits is 89
• More coming soon!