85991815120

Names of 85991815120

• Cardinal: 85991815120 can be written as Eighty-five billion, nine hundred ninety-one million, eight hundred fifteen thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.599181512 × 10¹⁰

Factors of 85991815120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 28838

Divisors of 85991815120

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 1259 2480 2518 5036 6295 10072 12590 20144 25180 27541 39029 50360 55082 78058 100720 110164 137705 156116 195145 220328 275410 312232 390290 440656 550820 624464 780580 853771 1101640 1561160 1707542 2203280 3122320 3415084 4268855 6830168 8537710 13660336 17075420 34150840 34674119 68301680 69348238 138696476 173370595 277392952 346741190 554785904 693482380 1074897689 1386964760 2149795378 2773929520 4299590756 5374488445 8599181512 10748976890 17198363024 21497953780 42995907560 85991815120
• Sum of all divisors σ(n): 206551779840
• Sum of proper divisors (its aliquot sum) s(n): 120559964720
• 85991815120 is an abundant number, because the sum of its proper divisors (120559964720) is greater than itself. Its abundance is 34568149600

Bases of 85991815120

• Binary: 1010000000101100000101111011111010000₂
• Hexadecimal: 0x140582F7D0
• Base-36: 13I5B174

Squares and roots of 85991815120

• 85991815120 squared (85991815120²) is 7394592267632260614400
• 85991815120 cubed (85991815120³) is 635874411166014914901142409728000
• The square root of 85991815120 is 293243.6105356773
• The cube root of 85991815120 is 4413.8649266003

Scales and comparisons

• 85,991,815,120 seconds is equal to 2,734 years, 14 weeks, 1 day, 15 hours, 18 minutes, 40 seconds.
• To count from 1 to 85,991,815,120 would take you about five thousand, four hundred sixty-eight 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 85991815120 cubic inches would be around 367.8 feet tall.

Recreational maths with 85991815120

• 85991815120 backwards is 02151819958
• The number of decimal digits it has is: 11
• The sum of 85991815120's digits is 49
• More coming soon!