28736128560

Names of 28736128560

• Cardinal: 28736128560 can be written as Twenty-eight billion, seven hundred thirty-six million, one hundred twenty-eight thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.873612856 × 10¹⁰

Factors of 28736128560

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 914140

Divisors of 28736128560

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 131 240 262 393 524 655 786 1048 1310 1572 1965 2096 2620 3144 3930 5240 6288 7860 10480 15720 31440 913999 1827998 2741997 3655996 4569995 5483994 7311992 9139990 10967988 13709985 14623984 18279980 21935976 27419970 36559960 43871952 54839940 73119920 109679880 119733869 219359760 239467738 359201607 478935476 598669345 718403214 957870952 1197338690 1436806428 1796008035 1915741904 2394677380 2873612856 3592016070 4789354760 5747225712 7184032140 9578709520 14368064280 28736128560
• Sum of all divisors σ(n): 89762112000
• Sum of proper divisors (its aliquot sum) s(n): 61025983440
• 28736128560 is an abundant number, because the sum of its proper divisors (61025983440) is greater than itself. Its abundance is 32289854880

Bases of 28736128560

• Binary: 11010110000110011101000011000110000₂
• Hexadecimal: 0x6B0CE8630
• Base-36: D78QYPC

Squares and roots of 28736128560

• 28736128560 squared (28736128560²) is 825765084616847673600
• 28736128560 cubed (28736128560³) is 23729291631909013090506518016000
• The square root of 28736128560 is 169517.3399980075
• The cube root of 28736128560 is 3062.9700668651

Scales and comparisons

• 28,736,128,560 seconds is equal to 913 years, 37 weeks, 3 days, 1 hour, 56 minutes.
• To count from 1 to 28,736,128,560 would take you about one thousand, eight hundred twenty-seven 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 28736128560 cubic inches would be around 255.2 feet tall.

Recreational maths with 28736128560

• 28736128560 backwards is 06582163782
• 28736128560 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28736128560's digits is 48
• More coming soon!