79128400842

Names of 79128400842

• Cardinal: 79128400842 can be written as Seventy-nine billion, one hundred twenty-eight million, four hundred thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 7.9128400842 × 10¹⁰

Factors of 79128400842

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 711

Divisors of 79128400842

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 23 46 69 138 207 414 529 683 1058 1366 1587 2049 3174 4098 4761 6147 9522 12167 12294 15709 24334 31418 36501 47127 73002 94254 109503 141381 219006 279841 282762 361307 559682 722614 839523 1083921 1679046 2167842 2518569 3251763 5037138 6436343 6503526 8310061 12872686 16620122 19309029 24930183 38618058 49860366 57927087 74790549 115854174 149581098 191131403 382262806 573394209 1146788418 1720182627 3440365254 4396022269 8792044538 13188066807 26376133614 39564200421 79128400842
• Sum of all divisors σ(n): 179500243104
• Sum of proper divisors (its aliquot sum) s(n): 100371842262
• 79128400842 is an abundant number, because the sum of its proper divisors (100371842262) is greater than itself. Its abundance is 21243441420

Bases of 79128400842

• Binary: 1001001101100011010111001001111001010₂
• Hexadecimal: 0x126C6B93CA
• Base-36: 10CN08UI

Squares and roots of 79128400842

• 79128400842 squared (79128400842²) is 6261303819812226308964
• 79128400842 cubed (79128400842³) is 495446958447647584548121529747688
• The square root of 79128400842 is 281297.7085615879
• The cube root of 79128400842 is 4293.1638418067

Scales and comparisons

• 79,128,400,842 seconds is equal to 2,516 years, 1 week, 6 days, 23 hours, 20 minutes, 42 seconds.
• To count from 1 to 79,128,400,842 would take you about five thousand and thirty-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 79128400842 cubic inches would be around 357.8 feet tall.

Recreational maths with 79128400842

• 79128400842 backwards is 24800482197
• The number of decimal digits it has is: 11
• The sum of 79128400842's digits is 45
• More coming soon!