21495538 (number)

21495538 is an even 8-digits composite number following 21495537 and preceding 21495539. In scientific notation, it is written as 2.1495538 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 10580416 positive integers (up to 21495538) that are relatively prime to 21495538.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand five hundred thirty-eight

Notation

Scientific notation 2.1495538 × 10^7
Engineering notation 2.1495538 × 10^6

Prime Factorization of 21495538

Prime Factorization 2 × 419 × 113 × 227

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21495538
Product of the distinct prime numbers

The prime factorization of 21495538 is 2 × 419 × 113 × 227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 21, 90, 660, 699, 9877, 6109, 99275, 78349, 862674, 847189, 4500780, 6009384, 49818862, 93922106, 418926304, 524522916, 52177856, 8496870488

Basic calculations (n = 21495538)

Multiplication

n×y
n×2 42991076
n×3 64486614
n×4 85982152
n×5 107477690

Division

n÷y
n÷2 10747769
n÷3 7165179.3333333
n÷3 5373884.5
n÷5 4299107.6

Exponentiation

ny
n2 462058153909444
n3 9.9321886055703E+21
n4 2.134977375942E+29
n5 4.5892487313702E+36

Nth Root

y√n
2√n 4636.3280729474
3√n 278.04565094044
4√n 68.090587256591
5√n 29.273163866683

Divisors of 21495538

1, 2, 113, 226, 227, 419, 454, 838, 25651, 47347, 51302, 94694, 95113, 190226, 10747769, 21495538

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 -21495537
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 21495538 can be divided by 16 positive divisors. The sum of these divisors (counting 21495538) is 1, the average is 0.0625.

Base conversion 21495538

Base System Value
2 Binary 1010001111111111011110010
3 Ternary 1111110002100001
4 Quaternary 1101333323302
5 Quinary 21000324123
6 Senary 2044420214
8 Octal 121777362
10 Decimal 21495538
12 Duodecimal 724766a
16 Hexadecimal 147fef2
20 Vigesimal 6e6igi
36 Base36 csq2a

Cryptographic Hash Functions

md5 c930447827bf7b1d12ffef89ec60d27e
sha1 ae76d2022a3659d997329216630b8bc46f8be44f
sha256 380c44dc10eed5091daa4d9d16ac616fc18ffbc2baa3d57504eb705e72d53887
sha512 6c9b6cce6cbe68d9fef2931d399b7810cf595b48069028a4b5277746825040c753754bbbb85c0bdf7ad944f6d710b846b01dfe720dd213f127fbf4677b0a54d2
ripemd-160 fa24c906e3085a5ff689ee1623843dcf0c9555c3

21495538 as geometric shapes

Circle

Radius = n
Diameter 42991076
Circumference 135060448.53152
Area 1.4515985018532E+15

Sphere

Radius = n
Volume 4.1603854343104E+22
Surface area 5.8063940074127E+15
Circumference 135060448.53152

Square

Length = n
Perimeter 85982152
Area 462058153909444
Diagonal 30399281.370106

Cube

Length = n
Surface area 2772348923456664
Volume 9.9321886055703E+21
Space diagonal 37231363.952027

Equilateral Triangle

Length = n
Perimeter 64486614
Area 2.0007704965566E+14
Altitude 18615681.976014

Triangular Pyramid

Length = n
Surface area 2.0007704965566E+14
Volume 1.1705196525038E+21
Height 10133093.790035