28708105421120

Names of 28708105421120

• Cardinal: 28708105421120 can be written as Twenty-eight trillion, seven hundred eight billion, one hundred five million, four hundred twenty-one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.870810542112 × 10¹³

Factors of 28708105421120

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 299528

Divisors of 28708105421120

• Number of divisors d(n): 42
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 299521 599042 1198084 1497605 2396168 2995210 4792336 5990420 9584672 11980840 19169344 23961680 47923360 95846720 89712829441 179425658882 358851317764 448564147205 717702635528 897128294410 1435405271056 1794256588820 2870810542112 3588513177640 5741621084224 7177026355280 14354052710560 28708105421120
• Sum of all divisors σ(n): 68361404269806
• Sum of proper divisors (its aliquot sum) s(n): 39653298848686
• 28708105421120 is an abundant number, because the sum of its proper divisors (39653298848686) is greater than itself. Its abundance is 10945193427566

Bases of 28708105421120

• Binary: 110100001110000100000011011010000000101000000₂
• Hexadecimal: 0x1A1C206D0140
• Base-36: A6CBKQVCW

Squares and roots of 28708105421120

• 28708105421120 squared (28708105421120²) is 824155316870139532542054400
• 28708105421120 cubed (28708105421120³) is 23659937720084524105221374575021948928000
• The square root of 28708105421120 is 5357994.5335097161
• The cube root of 28708105421120 is 30619.7408542459

Scales and comparisons

• 28,708,105,421,120 seconds is equal to 912,828 years, 49 weeks, 3 days, 16 hours, 5 minutes, 20 seconds.
• To count from 1 to 28,708,105,421,120 would take you about two million, two hundred eighty-two thousand and seventy-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 28708105421120 cubic inches would be around 2551.6 feet tall.

Recreational maths with 28708105421120

• 28708105421120 backwards is 02112450180782
• The number of decimal digits it has is: 14
• The sum of 28708105421120's digits is 41
• More coming soon!