21356738 (number)

21356738 is an even 8-digits composite number following 21356737 and preceding 21356739. In scientific notation, it is written as 2.1356738 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 9833616 positive integers (up to 21356738) that are relatively prime to 21356738.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand seven hundred thirty-eight

Notation

Scientific notation 2.1356738 × 10^7
Engineering notation 2.1356738 × 10^6

Prime Factorization of 21356738

Prime Factorization 2 × 13 × 1327 × 619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21356738
Product of the distinct prime numbers

The prime factorization of 21356738 is 2 × 13 × 1327 × 619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 41, 3, 792, 504, 6236, 6825, 15245, 43591, 59739, 198830, 9110927, 7071839, 64428377, 18802476, 220809057, 88928868, 6747722841, 663557088

Basic calculations (n = 21356738)

Multiplication

n×y
n×2 42713476
n×3 64070214
n×4 85426952
n×5 106783690

Division

n÷y
n÷2 10678369
n÷3 7118912.6666667
n÷3 5339184.5
n÷5 4271347.6

Exponentiation

ny
n2 456110258000644
n3 9.7410272792322E+21
n4 2.0803656745341E+29
n5 4.4429824655219E+36

Nth Root

y√n
2√n 4621.3350884782
3√n 277.4458969816
4√n 67.980402238279
5√n 29.235261577825

Divisors of 21356738

1, 2, 13, 26, 619, 1238, 1327, 2654, 8047, 16094, 17251, 34502, 821413, 1642826, 10678369, 21356738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21356737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21356738 can be divided by 16 positive divisors. The sum of these divisors (counting 21356738) is 1, the average is 0.0625.

Base conversion 21356738

Base System Value
2 Binary 1010001011110000011000010
3 Ternary 1111012000221022
4 Quaternary 1101132003002
5 Quinary 20431403423
6 Senary 2041425442
8 Octal 121360302
10 Decimal 21356738
12 Duodecimal 719b282
16 Hexadecimal 145e0c2
20 Vigesimal 6d9bgi
36 Base36 cpqyq

Cryptographic Hash Functions

md5 9231e2c72af73bb2643d896ff2103bbc
sha1 53886b206ffeb9454e44a62d0a8285f3472177aa
sha256 9a2dc07b819610374a2ab87c2516111f4d8d7dc47a0f87455bddb9709f4f70b7
sha512 4636742d71fc46b874c258acb062db7d6b5e68d29a07197866c3bc0f4d3a4a033c62afd7235294492be0a2c65bcbcab446cb27f0563845ed57897769d5dad3dd
ripemd-160 53353999b3d41661ab3e402a717a9c84bc0c406d

21356738 as geometric shapes

Circle

Radius = n
Diameter 42713476
Circumference 134188342.41088
Area 1.4329126357618E+15

Sphere

Radius = n
Volume 4.0803119651805E+22
Surface area 5.7316505430471E+15
Circumference 134188342.41088

Square

Length = n
Perimeter 85426952
Area 456110258000644
Diagonal 30202988.527649

Cube

Length = n
Surface area 2736661548003864
Volume 9.7410272792322E+21
Space diagonal 36990955.299937

Equilateral Triangle

Length = n
Perimeter 64070214
Area 1.9750153517762E+14
Altitude 18495477.649968

Triangular Pyramid

Length = n
Surface area 1.9750153517762E+14
Volume 1.1479910741447E+21
Height 10067662.84255