21142844352

Names of 21142844352

• Cardinal: 21142844352 can be written as Twenty-one billion, one hundred forty-two million, eight hundred forty-four thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1142844352 × 10¹⁰

Factors of 21142844352

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5243773

Divisors of 21142844352

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 144 168 192 224 252 288 336 448 504 576 672 1008 1344 2016 4032 5243761 10487522 15731283 20975044 31462566 36706327 41950088 47193849 62925132 73412654 83900176 94387698 110118981 125850264 146825308 167800352 188775396 220237962 251700528 293650616 330356943 335600704 377550792 440475924 503401056 587301232 660713886 755101584 880951848 1006802112 1174602464 1321427772 1510203168 1761903696 2349204928 2642855544 3020406336 3523807392 5285711088 7047614784 10571422176 21142844352
• Sum of all divisors σ(n): 69259608496
• Sum of proper divisors (its aliquot sum) s(n): 48116764144
• 21142844352 is an abundant number, because the sum of its proper divisors (48116764144) is greater than itself. Its abundance is 26973919792

Bases of 21142844352

• Binary: 10011101100001101100011001111000000₂
• Hexadecimal: 0x4EC3633C0
• Base-36: 9PNWJ40

Squares and roots of 21142844352

• 21142844352 squared (21142844352²) is 447019867292898299904
• 21142844352 cubed (21142844352³) is 9451271476425444349835688542208
• The square root of 21142844352 is 145405.7920166869
• The cube root of 21142844352 is 2765.1655499417

Scales and comparisons

• 21,142,844,352 seconds is equal to 672 years, 14 weeks, 2 days, 20 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,142,844,352 would take you about one thousand, three hundred forty-four 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 21142844352 cubic inches would be around 230.4 feet tall.

Recreational maths with 21142844352

• 21142844352 backwards is 25344824112
• 21142844352 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21142844352's digits is 36
• More coming soon!