21494856 (number)

21494856 is an even 8-digits composite number following 21494855 and preceding 21494857. In scientific notation, it is written as 2.1494856 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors. There are 7131840 positive integers (up to 21494856) that are relatively prime to 21494856.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred fifty-six

Notation

Scientific notation 2.1494856 × 10^7
Engineering notation 2.1494856 × 10^6

Prime Factorization of 21494856

Prime Factorization 2 × 2 × 2 × 3 × 229 × 3911

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5373714
Product of the distinct prime numbers

The prime factorization of 21494856 is 2 × 2 × 2 × 3 × 229 × 3911. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494856)

Multiplication

n×y
n×2 42989712
n×3 64484568
n×4 85979424
n×5 107474280

Division

n÷y
n÷2 10747428
n÷3 7164952
n÷3 5373714
n÷5 4298971.2

Exponentiation

ny
n2 462028834460736
n3 9.9312432645814E+21
n4 2.1347064387315E+29
n5 4.5885207502806E+36

Nth Root

y√n
2√n 4636.2545227802
3√n 278.0427103435
4√n 68.090047163886
5√n 29.272978111378

Divisors of 21494856

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494856 can be divided by 32 positive divisors. The sum of these divisors (counting 21494856) is 1, the average is 0.03125.

Base conversion 21494856

Base System Value
2 Binary 1010001111111110001001000
3 Ternary 1111110001101210
4 Quaternary 1101333301020
5 Quinary 21000313411
6 Senary 2044413120
8 Octal 121776110
10 Decimal 21494856
12 Duodecimal 72471a0
16 Hexadecimal 147fc48
20 Vigesimal 6e6h2g
36 Base36 cspjc

Cryptographic Hash Functions

md5 6cdbc7f21d37d3dde81bfc9802dc5abc
sha1 bd69eb5b48030372edd08590f397d9b933f5d52d
sha256 ec1e49f55ea80d667d01fbe69367c3d3c7cc076d3a885fe960cf9b14d4304617
sha512 e35c65e580c148a929bb14d4b630176ab085d9199ca452cf6f43fbd77c2d86dee3a7f00747ec0b99adc29da59006b67b6e6b118ddfd4ff13fd838046317364db
ripemd-160 7be066c491101cee52eef291e4a43393b52fd0f6

21494856 as geometric shapes

Circle

Radius = n
Diameter 42989712
Circumference 135056163.39914
Area 1.4515063920885E+15

Sphere

Radius = n
Volume 4.1599894508029E+22
Surface area 5.806025568354E+15
Circumference 135056163.39914

Square

Length = n
Perimeter 85979424
Area 462028834460736
Diagonal 30398316.876457

Cube

Length = n
Surface area 2772173006764416
Volume 9.9312432645814E+21
Space diagonal 37230182.693377

Equilateral Triangle

Length = n
Perimeter 64484568
Area 2.0006435396196E+14
Altitude 18615091.346688

Triangular Pyramid

Length = n
Surface area 2.0006435396196E+14
Volume 1.1704082429998E+21
Height 10132772.292152