21495345 (number)

21495345 is an odd 8-digits composite number following 21495344 and preceding 21495346. In scientific notation, it is written as 2.1495345 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 11358144 positive integers (up to 21495345) that are relatively prime to 21495345.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand three hundred forty-five

Notation

Scientific notation 2.1495345 × 10^7
Engineering notation 2.1495345 × 10^6

Prime Factorization of 21495345

Prime Factorization 3 × 5 × 109 × 13147

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21495345
Product of the distinct prime numbers

The prime factorization of 21495345 is 3 × 5 × 109 × 13147. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495345)

Multiplication

n×y
n×2 42990690
n×3 64486035
n×4 85981380
n×5 107476725

Division

n÷y
n÷2 10747672.5
n÷3 7165115
n÷3 5373836.25
n÷5 4299069

Exponentiation

ny
n2 462049856669025
n3 9.9319210763012E+21
n4 2.1349007004787E+29
n5 4.5890427097531E+36

Nth Root

y√n
2√n 4636.3072590155
3√n 278.04481878368
4√n 68.090434416411
5√n 29.273111300044

Divisors of 21495345

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 -21495344
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 21495345 can be divided by 16 positive divisors. The sum of these divisors (counting 21495345) is 1, the average is 0.0625.

Base conversion 21495345

Base System Value
2 Binary 1010001111111111000110001
3 Ternary 1111110002001220
4 Quaternary 1101333320301
5 Quinary 21000322340
6 Senary 2044415253
8 Octal 121777061
10 Decimal 21495345
12 Duodecimal 7247529
16 Hexadecimal 147fe31
20 Vigesimal 6e6i75
36 Base36 cspwx

Cryptographic Hash Functions

md5 21fc44f3479d1075fa3492c9ea04a711
sha1 080a9787edbc1b217156986f06d43acfbf5cd7d1
sha256 7a60203bf13f4ed5f18aea8af5fcc4ced9d2c0335a01c283e760edcc8bd17c9a
sha512 9323038ddadc36135ea80c8625d91b84e5e4fb3cd0b19a30c7236ea97cf24dcb7ae05185a6d6711c631d1f04e4908cbf8e961aa89f5647721f67f554efdac1f7
ripemd-160 2f2bd086cfb271078a7abbee96973aee7fb78522

21495345 as geometric shapes

Circle

Radius = n
Diameter 42990690
Circumference 135059235.87676
Area 1.4515724353036E+15

Sphere

Radius = n
Volume 4.1602733719122E+22
Surface area 5.8062897412145E+15
Circumference 135059235.87676

Square

Length = n
Perimeter 85981380
Area 462049856669025
Diagonal 30399008.426889

Cube

Length = n
Surface area 2772299140014150
Volume 9.9319210763012E+21
Space diagonal 37231029.666222

Equilateral Triangle

Length = n
Perimeter 64486035
Area 2.0007345684517E+14
Altitude 18615514.833111

Triangular Pyramid

Length = n
Surface area 2.0007345684517E+14
Volume 1.170488123877E+21
Height 10133002.808963