130816920

Names of 130816920

• Cardinal: 130816920 can be written as One hundred thirty million, eight hundred sixteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3081692 × 10⁸

Factors of 130816920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 83880

Divisors of 130816920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 83857 167714 251571 335428 419285 503142 670856 838570 1006284 1090141 1257855 1677140 2012568 2180282 2515710 3270423 3354280 4360564 5031420 5450705 6540846 8721128 10062840 10901410 13081692 16352115 21802820 26163384 32704230 43605640 65408460 130816920
• Sum of all divisors σ(n): 422644320
• Sum of proper divisors (its aliquot sum) s(n): 291827400
• 130816920 is an abundant number, because the sum of its proper divisors (291827400) is greater than itself. Its abundance is 161010480

Bases of 130816920

• Binary: 111110011000001101110011000₂
• Hexadecimal: 0x7CC1B98
• Base-36: 25VUZC

Squares and roots of 130816920

• 130816920 squared (130816920²) is 17113066558286400
• 130816920 cubed (130816920³) is 2238678658910027325888000
• The square root of 130816920 is 11437.5224589945
• The cube root of 130816920 is 507.6386025697

Scales and comparisons

• 130,816,920 seconds is equal to 4 years, 8 weeks, 2 days, 2 hours, 2 minutes.
• To count from 1 to 130,816,920 would take you about six 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 130816920 cubic inches would be around 42.3 feet tall.

Recreational maths with 130816920

• 130816920 backwards is 029618031
• 130816920 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 130816920's digits is 30
• More coming soon!