21213935038462816

Names of 21213935038462816

• Cardinal: 21213935038462816 can be written as Twenty-one quadrillion, two hundred thirteen trillion, nine hundred thirty-five billion, thirty-eight million, four hundred sixty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1213935038462816 × 10¹⁶

Factors of 21213935038462816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11002104

Divisors of 21213935038462816

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 13 16 26 29 32 52 58 104 116 208 232 377 416 464 754 928 1508 3016 6032 12064 162221 324442 648884 1297768 2108873 2595536 4217746 4704409 5191072 8435492 9408818 10839839 16870984 18817636 21679678 33741968 37635272 43359356 61157317 67483936 75270544 86718712 122314634 140917907 150541088 173437424 244629268 281835814 314355331 346874848 489258536 563671628 628710662 978517072 1127343256 1257421324 1957034144 2254686512 2514842648 4086619303 4509373024 5029685296 8173238606 10059370592 16346477212 32692954424 65385908848 130771817696 1758449522419 3516899044838 7033798089676 14067596179352 22859843791447 28135192358704 45719687582894 50995036150151 56270384717408 91439375165788 101990072300302 182878750331576 203980144600604 365757500663152 407960289201208 662935469951963 731515001326304 815920578402416 1325870939903926 1631841156804832 2651741879807852 5303483759615704 10606967519231408 21213935038462816
• Sum of all divisors σ(n): 46528865477740800
• Sum of proper divisors (its aliquot sum) s(n): 25314930439277984
• 21213935038462816 is an abundant number, because the sum of its proper divisors (25314930439277984) is greater than itself. Its abundance is 4100995400815168

Bases of 21213935038462816

• Binary: 1001011010111011111011000100110010000010111101101100000₂
• Hexadecimal: 0x4B5DF626417B60
• Base-36: 5SVPN7UBUXS

Squares and roots of 21213935038462816

• 21213935038462816 squared (21213935038462816²) is 450031039816120358561308214649856
• 21213935038462816 cubed (21213935038462816³) is 9546929243951050317432397165745715522725915754496
• The square root of 21213935038462816 is 145650043.0431203683
• The cube root of 21213935038462816 is 276826.1279801203

Scales and comparisons

• 21,213,935,038,462,816 seconds is equal to 674,537,515 years, 11 weeks, 18 hours, 20 minutes, 16 seconds.
• To count from 1 to 21,213,935,038,462,816 would take you about two billion, twenty-three million, six hundred twelve thousand, five hundred forty-five 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 21213935038462816 cubic inches would be around 23068.8 feet tall.

Recreational maths with 21213935038462816

• 21213935038462816 backwards is 61826483053931212
• The number of decimal digits it has is: 17
• The sum of 21213935038462816's digits is 64
• More coming soon!