21342645 (number)

21342645 is an odd 8-digits composite number following 21342644 and preceding 21342646. In scientific notation, it is written as 2.1342645 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors. There are 11100672 positive integers (up to 21342645) that are relatively prime to 21342645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1342645 × 10^7
Engineering notation 2.1342645 × 10^6

Prime Factorization of 21342645

Prime Factorization 5 × 3 × 3 × 73 × 89 × 73

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 97455
Product of the distinct prime numbers

The prime factorization of 21342645 is 5 × 3 × 3 × 73 × 89 × 73. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21342645)

Multiplication

n×y
n×2 42685290
n×3 64027935
n×4 85370580
n×5 106713225

Division

n÷y
n÷2 10671322.5
n÷3 7114215
n÷3 5335661.25
n÷5 4268529

Exponentiation

ny
n2 455508495596025
n3 9.72175611599E+21
n4 2.0748798956015E+29
n5 4.4283425029461E+36

Nth Root

y√n
2√n 4619.8100610306
3√n 277.38485605231
4√n 67.969184642974
5√n 29.231402174419

Divisors of 21342645

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 -21342644
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 21342645 can be divided by 36 positive divisors. The sum of these divisors (counting 21342645) is 1, the average is 0.027777777777778.

Base conversion 21342645

Base System Value
2 Binary 1010001011010100110110101
3 Ternary 1111011022121100
4 Quaternary 1101122212311
5 Quinary 20430431040
6 Senary 2041240313
8 Octal 121324665
10 Decimal 21342645
12 Duodecimal 7193099
16 Hexadecimal 145a9b5
20 Vigesimal 6d7gc5
36 Base36 cpg39

Cryptographic Hash Functions

md5 d252ec22175b10d92114e9a26bea2d63
sha1 90b59d3b903ec161686eb341a4494b331449b8b4
sha256 720d1df8586ccb7b91361672d39f9f1fe2e1e38109be2559f0d770a430f193b4
sha512 eebd72f19b4a100bb23f8b450c3c881912a711390c066304e3c95e4dc0e333f0b788746bca5b588c4e803645233ee215c2975954e7e183fb9d11573c75c1fc45
ripemd-160 3352e26e5b59d49c4488949fbd74dff366f4f77b

21342645 as geometric shapes

Circle

Radius = n
Diameter 42685290
Circumference 134099793.48035
Area 1.4310221434122E+15

Sphere

Radius = n
Volume 4.0722396791981E+22
Surface area 5.7240885736488E+15
Circumference 134099793.48035

Square

Length = n
Perimeter 85370580
Area 455508495596025
Diagonal 30183058.015914

Cube

Length = n
Surface area 2733050973576150
Volume 9.72175611599E+21
Space diagonal 36966545.507906

Equilateral Triangle

Length = n
Perimeter 64027935
Area 1.9724096441289E+14
Altitude 18483272.753953

Triangular Pyramid

Length = n
Surface area 1.9724096441289E+14
Volume 1.1457199457764E+21
Height 10061019.338638