138651979246

Names of 138651979246

• Cardinal: 138651979246 can be written as One hundred thirty-eight billion, six hundred fifty-one million, nine hundred seventy-nine thousand, two hundred forty-six.

Scientific notation

• Scientific notation: 1.38651979246 × 10¹¹

Factors of 138651979246

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3206

Divisors of 138651979246

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 11 22 121 242 397 683 794 1366 2113 4226 4367 7513 8734 15026 23243 46486 48037 82643 96074 165286 255673 271151 511346 542302 838861 1443179 1677722 2886358 2982661 5965322 9227471 15874969 18454942 31749938 32809271 65618542 101502181 174624659 203004362 349249318 572942063 1145884126 6302362693 12604725386 69325989623 138651979246
• Sum of all divisors σ(n): 229623880752
• Sum of proper divisors (its aliquot sum) s(n): 90971901506
• 138651979246 is a deficient number, because the sum of its proper divisors (90971901506) is less than itself. Its deficiency is 47680077740

Bases of 138651979246

• Binary: 10000001001000010011010100110111101110₂
• Hexadecimal: 0x20484D4DEE
• Base-36: 1RP1T3VY

Squares and roots of 138651979246

• 138651979246 squared (138651979246²) is 19224371348833214728516
• 138651979246 cubed (138651979246³) is 2665497137275819914853661956378936
• The square root of 138651979246 is 372360.0129525189
• The cube root of 138651979246 is 5175.7746340827

Scales and comparisons

• 138,651,979,246 seconds is equal to 4,408 years, 36 weeks, 4 days, 6 hours, 40 minutes, 46 seconds.
• To count from 1 to 138,651,979,246 would take you about eight thousand, eight hundred seventeen 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 138651979246 cubic inches would be around 431.3 feet tall.

Recreational maths with 138651979246

• 138651979246 backwards is 642979156831
• The number of decimal digits it has is: 12
• The sum of 138651979246's digits is 61
• More coming soon!