21039912 (number)

21039912 is an even 8-digits composite number following 21039911 and preceding 21039913. In scientific notation, it is written as 2.1039912 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 64 positive divisors. There are 6873984 positive integers (up to 21039912) that are relatively prime to 21039912.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-nine thousand nine hundred twelve

Notation

Scientific notation 2.1039912 × 10^7
Engineering notation 2.1039912 × 10^6

Prime Factorization of 21039912

Prime Factorization 2 × 2 × 2 × 9 × 27 × 79 × 137

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5259978
Product of the distinct prime numbers

The prime factorization of 21039912 is 2 × 2 × 2 × 9 × 27 × 79 × 137. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 5, 29, 44, 859, 979, 807, 3378, 39883, 74314, 22863, 641190, 7920145, 9016417, 40302481, 7318074, 243224897, 518562505, 7322094995, 8144158730

Basic calculations (n = 21039912)

Multiplication

n×y
n×2 42079824
n×3 63119736
n×4 84159648
n×5 105199560

Division

n÷y
n÷2 10519956
n÷3 7013304
n÷3 5259978
n÷5 4207982.4

Exponentiation

ny
n2 442677896967744
n3 9.3139039965464E+21
n4 1.9596372046378E+29
n5 4.1230594337506E+36

Nth Root

y√n
2√n 4586.928384006
3√n 276.06709144023
4√n 67.726866042997
5√n 29.14800154062

Divisors of 21039912

1, 2, 4, 8, 9, 18, 27, 36, 54, 72, 79, 108, 137, 158, 216, 243, 274, 316, 486, 548, 632, 711, 972, 1096, 1233, 1422, 1944, 2133, 2466, 2844, 3699, 4266, 4932, 5688, 7398, 8532, 9864, 10823, 14796, 17064, 19197, 21646, 29592, 33291, 38394, 43292, 66582, 76788, 86584, 97407, 133164, 153576, 194814, 266328, 292221, 389628, 584442, 779256, 1168884, 2337768, 2629989, 5259978, 10519956, 21039912

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21039911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21039912 can be divided by 64 positive divisors. The sum of these divisors (counting 21039912) is 1, the average is 0.015625.

Base conversion 21039912

Base System Value
2 Binary 1010000010000101100101000
3 Ternary 1110120221100000
4 Quaternary 1100100230220
5 Quinary 20341234122
6 Senary 2030543000
8 Octal 120205450
10 Decimal 21039912
12 Duodecimal 7067a60
16 Hexadecimal 1410b28
20 Vigesimal 6b9jfc
36 Base36 ciyi0

Cryptographic Hash Functions

md5 5a128c9eb60c752fb2a00b70d601b2aa
sha1 7191852bc454e9d2122b5ac2268bb070eb0c58ba
sha256 49e8bf4e894aed44ffd1ab8df070aead2c1b78982e61b0970a51da857c07e5a3
sha512 ba4838c8245f7817b72150c79c0a6e4729b55271e02df1fc9c3ad6c091db5a25b9cd32ce768436e38482e330403bb3b82dac40b486678349f8c203221a7526e6
ripemd-160 056e87cbf9c33b6a057496dc70b48f1084650aab

21039912 as geometric shapes

Circle

Radius = n
Diameter 42079824
Circumference 132197665.94275
Area 1.3907136290204E+15

Sphere

Radius = n
Volume 3.9013989829054E+22
Surface area 5.5628545160818E+15
Circumference 132197665.94275

Square

Length = n
Perimeter 84159648
Area 442677896967744
Diagonal 29754928.901536

Cube

Length = n
Surface area 2656067381806464
Volume 9.3139039965464E+21
Space diagonal 36442196.570778

Equilateral Triangle

Length = n
Perimeter 63119736
Area 1.9168515223397E+14
Altitude 18221098.285389

Triangular Pyramid

Length = n
Surface area 1.9168515223397E+14
Volume 1.0976541125464E+21
Height 9918309.6338455