138395419692806144

Names of 138395419692806144

• Cardinal: 138395419692806144 can be written as One hundred thirty-eight quadrillion, three hundred ninety-five trillion, four hundred nineteen billion, six hundred ninety-two million, eight hundred six thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.38395419692806144 × 10¹⁷

Factors of 138395419692806144

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1752620

Divisors of 138395419692806144

• Number of divisors d(n): 78
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1024 1408 2048 2816 4096 5632 11264 22528 45056 1752607 3505214 7010428 14020856 19278677 28041712 38557354 56083424 77114708 112166848 154229416 224333696 308458832 448667392 616917664 897334784 1233835328 1794669568 2467670656 3589339136 4935341312 7178678272 9870682624 19741365248 39482730496 78965460992 3071631296449 6143262592898 12286525185796 24573050371592 33787944260939 49146100743184 67575888521878 98292201486368 135151777043756 196584402972736 270303554087512 393168805945472 540607108175024 786337611890944 1081214216350048 1572675223781888 2162428432700096 3145350447563776 4324856865400192 6290700895127552 8649713730800384 12581401790255104 17299427461600768 34598854923201536 69197709846403072 138395419692806144
• Sum of all divisors σ(n): 301916955657910644
• Sum of proper divisors (its aliquot sum) s(n): 163521535965104500
• 138395419692806144 is an abundant number, because the sum of its proper divisors (163521535965104500) is greater than itself. Its abundance is 25126116272298356

Bases of 138395419692806144

• Binary: 111101011101011011110011010100101010101001011000000000000₂
• Hexadecimal: 0x1EBADE6A554B000
• Base-36: 11UP2Y3P90JK

Squares and roots of 138395419692806144

• 138395419692806144 squared (138395419692806144²) is 19153292191947954649289025164148736
• 138395419692806144 cubed (138395419692806144³) is 2650727911403584118290122998954709962533236830633984
• The square root of 138395419692806144 is 372015348.7328260009
• The cube root of 138395419692806144 is 517258.0270957363

Scales and comparisons

• 138,395,419,692,806,144 seconds is equal to 4,400,546,261 years, 4 weeks, 5 days, 2 hours, 35 minutes, 44 seconds.
• To count from 1 to 138,395,419,692,806,144 would take you about thirteen billion, two hundred one million, six hundred thirty-eight thousand, seven hundred eighty-three 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 138395419692806144 cubic inches would be around 43104.8 feet tall.

Recreational maths with 138395419692806144

• 138395419692806144 backwards is 441608296914593831
• The number of decimal digits it has is: 18
• The sum of 138395419692806144's digits is 83
• More coming soon!