21017856 (number)

21017856 is an even 8-digits composite number following 21017855 and preceding 21017857. In scientific notation, it is written as 2.1017856 × 10^7. The sum of its digits is 30. It has a total of 10 prime factors and 36 positive divisors. There are 7005696 positive integers (up to 21017856) that are relatively prime to 21017856.

Interesting facts

Basic properties

Name

Name twenty-one million seventeen thousand eight hundred fifty-six

Notation

Scientific notation 2.1017856 × 10^7
Engineering notation 2.1017856 × 10^6

Prime Factorization of 21017856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 27367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 164202
Product of the distinct prime numbers

The prime factorization of 21017856 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 27367. Since it has a total of 10 prime factors.

Most popular turbo-numbers

7, 8, 56, 8, 841, 106, 2401, 7169, 71341, 20919, 610561, 332766, 2631948, 7935567, 2822636, 22667863, 745957706, 392420117, 8376239745, 5406325901

Basic calculations (n = 21017856)

Multiplication

n×y
n×2 42035712
n×3 63053568
n×4 84071424
n×5 105089280

Division

n÷y
n÷2 10508928
n÷3 7005952
n÷3 5254464
n÷5 4203571.2

Exponentiation

ny
n2 441750270836736
n3 9.2846435804075E+21
n4 1.9514330178433E+29
n5 4.1014938162676E+36

Nth Root

y√n
2√n 4584.5235303137
3√n 275.97059127945
4√n 67.709109655302
5√n 29.141887845221

Divisors of 21017856

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 27367, 54734, 82101, 109468, 164202, 218936, 328404, 437872, 656808, 875744, 1313616, 1751488, 2627232, 3502976, 5254464, 7005952, 10508928, 21017856

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21017855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21017856 can be divided by 36 positive divisors. The sum of these divisors (counting 21017856) is 1, the average is 0.027777777777778.

Base conversion 21017856

Base System Value
2 Binary 1010000001011010100000000
3 Ternary 1110112211002010
4 Quaternary 1100023110000
5 Quinary 20340032411
6 Senary 2030252520
8 Octal 120132400
10 Decimal 21017856
12 Duodecimal 7057140
16 Hexadecimal 140b500
20 Vigesimal 6b74cg
36 Base36 cihhc

Cryptographic Hash Functions

md5 c0d1c8fd2b70c8745b326409f113e5ff
sha1 1d937ff72f3cbfede767b627ed558cee90ef3fbf
sha256 feffb662e8fe204df89f4f7d354843224569c62623dd33cac9e8709dfc5c4cb1
sha512 dc119674bf0a32c37998a87da8865ce06892a3f0784c47b0ea21b2e96813dcfdf2c31b19b91bf606c3feb1ff5b15ef8fe9a823d29492a8f41bb5eabf87dcf71f
ripemd-160 d34288749f9bec773f22abdded5039261b514ef4

21017856 as geometric shapes

Circle

Radius = n
Diameter 42035712
Circumference 132059084.00762
Area 1.387799405582E+15

Sphere

Radius = n
Volume 3.8891424084544E+22
Surface area 5.551197622328E+15
Circumference 132059084.00762

Square

Length = n
Perimeter 84071424
Area 441750270836736
Diagonal 29723737.007205

Cube

Length = n
Surface area 2650501625020416
Volume 9.2846435804075E+21
Space diagonal 36403994.458166

Equilateral Triangle

Length = n
Perimeter 63053568
Area 1.9128347833663E+14
Altitude 18201997.229083

Triangular Pyramid

Length = n
Surface area 1.9128347833663E+14
Volume 1.0942057394344E+21
Height 9907912.3357349