8142640144

Names of 8142640144

• Cardinal: 8142640144 can be written as Eight billion, one hundred forty-two million, six hundred forty thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 8.142640144 × 10⁹

Factors of 8142640144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1622

Divisors of 8142640144

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 17 34 61 68 122 136 244 272 449 488 898 976 1037 1093 1796 2074 2186 3592 4148 4372 7184 7633 8296 8744 15266 16592 17488 18581 27389 30532 37162 54778 61064 66673 74324 109556 122128 133346 148648 219112 266692 297296 438224 465613 490757 533384 931226 981514 1066768 1133441 1862452 1963028 2266882 3724904 3926056 4533764 7449808 7852112 8342869 9067528 16685738 18135056 29936177 33371476 59872354 66742952 119744708 133485904 239489416 478978832 508915009 1017830018 2035660036 4071320072 8142640144
• Sum of all divisors σ(n): 17031610800
• Sum of proper divisors (its aliquot sum) s(n): 8888970656
• 8142640144 is an abundant number, because the sum of its proper divisors (8888970656) is greater than itself. Its abundance is 746330512

Bases of 8142640144

• Binary: 111100101010101101101010000010000₂
• Hexadecimal: 0x1E556D410
• Base-36: 3QNX1CG

Squares and roots of 8142640144

• 8142640144 squared (8142640144²) is 66302588514680340736
• 8142640144 cubed (8142640144³) is 539878118890749475804552105984
• The square root of 8142640144 is 90236.5787472021
• The cube root of 8142640144 is 2011.8167236851

Scales and comparisons

• 8,142,640,144 seconds is equal to 258 years, 47 weeks, 2 days, 12 hours, 29 minutes, 4 seconds.
• To count from 1 to 8,142,640,144 would take you about five 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 8142640144 cubic inches would be around 167.7 feet tall.

Recreational maths with 8142640144

• 8142640144 backwards is 4410462418
• 8142640144 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8142640144's digits is 34
• More coming soon!