21025901065120

Names of 21025901065120

• Cardinal: 21025901065120 can be written as Twenty-one trillion, twenty-five billion, nine hundred one million, sixty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.102590106512 × 10¹³

Factors of 21025901065120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 18773125965

Divisors of 21025901065120

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 18773125951 37546251902 75092503804 93865629755 131411881657 150185007608 187731259510 262823763314 300370015216 375462519020 525647526628 600740030432 657059408285 750925038040 1051295053256 1314118816570 1501850076080 2102590106512 2628237633140 3003700152160 4205180213024 5256475266280 10512950532560 21025901065120
• Sum of all divisors σ(n): 56769932878848
• Sum of proper divisors (its aliquot sum) s(n): 35744031813728
• 21025901065120 is an abundant number, because the sum of its proper divisors (35744031813728) is greater than itself. Its abundance is 14718130748608

Bases of 21025901065120

• Binary: 100110001111101111001010111010011001110100000₂
• Hexadecimal: 0x131F795D33A0
• Base-36: 7GB5YMDGG

Squares and roots of 21025901065120

• 21025901065120 squared (21025901065120²) is 442088515600214350480614400
• 21025901065120 cubed (21025901065120³) is 9295309391035866647870659296872009728000
• The square root of 21025901065120 is 4585400.8619879681
• The cube root of 21025901065120 is 27600.5798139763

Scales and comparisons

• 21,025,901,065,120 seconds is equal to 668,558 years, 32 weeks, 9 hours, 38 minutes, 40 seconds.
• To count from 1 to 21,025,901,065,120 would take you about one million, six hundred seventy-one thousand, three hundred ninety-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 21025901065120 cubic inches would be around 2300 feet tall.

Recreational maths with 21025901065120

• 21025901065120 backwards is 02156010952012
• The number of decimal digits it has is: 14
• The sum of 21025901065120's digits is 34
• More coming soon!