138005299936

Names of 138005299936

• Cardinal: 138005299936 can be written as One hundred thirty-eight billion, five million, two hundred ninety-nine thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.38005299936 × 10¹¹

Factors of 138005299936

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1164673

Divisors of 138005299936

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 32 46 56 92 112 161 184 224 322 368 529 644 736 1058 1288 2116 2576 3703 4232 5152 7406 8464 14812 16928 29624 59248 118496 1164641 2329282 4658564 8152487 9317128 16304974 18634256 26786743 32609948 37268512 53573486 65219896 107146972 130439792 187507201 214293944 260879584 375014402 428587888 616095089 750028804 857175776 1232190178 1500057608 2464380356 3000115216 4312665623 4928760712 6000230432 8625331246 9857521424 17250662492 19715042848 34501324984 69002649968 138005299936
• Sum of all divisors σ(n): 324599701104
• Sum of proper divisors (its aliquot sum) s(n): 186594401168
• 138005299936 is an abundant number, because the sum of its proper divisors (186594401168) is greater than itself. Its abundance is 48589101232

Bases of 138005299936

• Binary: 10000000100001110000011100001011100000₂
• Hexadecimal: 0x2021C1C2E0
• Base-36: 1RECSIXS

Squares and roots of 138005299936

• 138005299936 squared (138005299936²) is 19045462810425321604096
• 138005299936 cubed (138005299936³) is 2628374807572680015702529126137856
• The square root of 138005299936 is 371490.6458257059
• The cube root of 138005299936 is 5167.7154066141

Scales and comparisons

• 138,005,299,936 seconds is equal to 4,388 years, 7 weeks, 2 days, 13 hours, 32 minutes, 16 seconds.
• To count from 1 to 138,005,299,936 would take you about eight thousand, seven hundred seventy-six 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 138005299936 cubic inches would be around 430.6 feet tall.

Recreational maths with 138005299936

• 138005299936 backwards is 639992500831
• The number of decimal digits it has is: 12
• The sum of 138005299936's digits is 55
• More coming soon!