21342640 (number)

21342640 is an even 8-digits composite number following 21342639 and preceding 21342641. In scientific notation, it is written as 2.1342640 × 10^7. The sum of its digits is 22. It has a total of 8 prime factors and 80 positive divisors. There are 7637760 positive integers (up to 21342640) that are relatively prime to 21342640.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred forty-two thousand six hundred forty

Notation

Scientific notation 2.1342640 × 10^7
Engineering notation 2.1342640 × 10^6

Prime Factorization of 21342640

Prime Factorization 2 × 2 × 2 × 2 × 11 × 5 × 79 × 307

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2667830
Product of the distinct prime numbers

The prime factorization of 21342640 is 2 × 2 × 2 × 2 × 11 × 5 × 79 × 307. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21342640)

Multiplication

n×y
n×2 42685280
n×3 64027920
n×4 85370560
n×5 106713200

Division

n÷y
n÷2 10671320
n÷3 7114213.3333333
n÷3 5335660
n÷5 4268528

Exponentiation

ny
n2 455508282169600
n3 9.7217492833642E+21
n4 2.074877951251E+29
n5 4.4283373157488E+36

Nth Root

y√n
2√n 4619.8095198828
3√n 277.38483439107
4√n 67.969180662141
5√n 29.231400804795

Divisors of 21342640

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21342639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21342640 can be divided by 80 positive divisors. The sum of these divisors (counting 21342640) is 1, the average is 0.0125.

Base conversion 21342640

Base System Value
2 Binary 1010001011010100110110000
3 Ternary 1111011022121011
4 Quaternary 1101122212300
5 Quinary 20430431030
6 Senary 2041240304
8 Octal 121324660
10 Decimal 21342640
12 Duodecimal 7193094
16 Hexadecimal 145a9b0
20 Vigesimal 6d7gc0
36 Base36 cpg34

Cryptographic Hash Functions

md5 e716c3c6c91f2ecfdd1d38683ea1975b
sha1 e3c97d44c388efd4076368f6631360b5e4937d01
sha256 64fcf822477eeae192224a5a4c2438a9f27eaedc4fba4405c2d7f41e1b1505dd
sha512 f53c3b7feb2549054602688fefe5336463c7d3ca66c9e84232f41f493275bda39b2b03d683fd654b90932cb7f54d61dab12d44460976adc89a418e714b345c12
ripemd-160 18ce33115304fc14601639ccbc97c37b2f970a7d

21342640 as geometric shapes

Circle

Radius = n
Diameter 42685280
Circumference 134099762.06442
Area 1.4310214729133E+15

Sphere

Radius = n
Volume 4.0722368171545E+22
Surface area 5.7240858916533E+15
Circumference 134099762.06442

Square

Length = n
Perimeter 85370560
Area 455508282169600
Diagonal 30183050.944847

Cube

Length = n
Surface area 2733049693017600
Volume 9.7217492833642E+21
Space diagonal 36966536.847652

Equilateral Triangle

Length = n
Perimeter 64027920
Area 1.9724087199654E+14
Altitude 18483268.423826

Triangular Pyramid

Length = n
Surface area 1.9724087199654E+14
Volume 1.1457191405437E+21
Height 10061016.981616