82008156420

Names of 82008156420

• Cardinal: 82008156420 can be written as Eighty-two billion, eight million, one hundred fifty-six thousand, four hundred twenty.

Scientific notation

• Scientific notation: 8.200815642 × 10¹⁰

Factors of 82008156420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12313584

Divisors of 82008156420

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 111 148 180 185 222 333 370 444 555 666 740 1110 1332 1665 2220 3330 6660 12313537 24627074 36940611 49254148 61567685 73881222 110821833 123135370 147762444 184703055 221643666 246270740 369406110 443287332 455600869 554109165 738812220 911201738 1108218330 1366802607 1822403476 2216436660 2278004345 2733605214 4100407821 4556008690 5467210428 6834013035 8200815642 9112017380 13668026070 16401631284 20502039105 27336052140 41004078210 82008156420
• Sum of all divisors σ(n): 255481286424
• Sum of proper divisors (its aliquot sum) s(n): 173473130004
• 82008156420 is an abundant number, because the sum of its proper divisors (173473130004) is greater than itself. Its abundance is 91464973584

Bases of 82008156420

• Binary: 1001100011000000100010010100100000100₂
• Hexadecimal: 0x1318112904
• Base-36: 11O9JEH0

Squares and roots of 82008156420

• 82008156420 squared (82008156420²) is 6725337719407187216400
• 82008156420 cubed (82008156420³) is 551532547670470678914755589288000
• The square root of 82008156420 is 286370.6626384763
• The cube root of 82008156420 is 4344.6255273981

Scales and comparisons

• 82,008,156,420 seconds is equal to 2,607 years, 31 weeks, 3 days, 11 hours, 27 minutes.
• To count from 1 to 82,008,156,420 would take you about five thousand, two hundred fifteen 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 82008156420 cubic inches would be around 362.1 feet tall.

Recreational maths with 82008156420

• 82008156420 backwards is 02465180028
• 82008156420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 82008156420's digits is 36
• More coming soon!