21495874 (number)

21495874 is an even 8-digits composite number following 21495873 and preceding 21495875. In scientific notation, it is written as 2.1495874 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10747936 positive integers (up to 21495874) that are relatively prime to 21495874.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1495874 × 10^7
Engineering notation 2.1495874 × 10^6

Prime Factorization of 21495874

Prime Factorization 2 × 10747937

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21495874
Product of the distinct prime numbers

The prime factorization of 21495874 is 2 × 10747937. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495874)

Multiplication

n×y
n×2 42991748
n×3 64487622
n×4 85983496
n×5 107479370

Division

n÷y
n÷2 10747937
n÷3 7165291.3333333
n÷3 5373968.5
n÷5 4299174.8

Exponentiation

ny
n2 462072599023876
n3 9.9326543674698E+21
n4 2.1351108676868E+29
n5 4.5896074187826E+36

Nth Root

y√n
2√n 4636.3643083778
3√n 278.0470996574
4√n 68.090853338593
5√n 29.27325538076

Divisors of 21495874

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495873
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495874 can be divided by 4 positive divisors. The sum of these divisors (counting 21495874) is 1, the average is 0.25.

Base conversion 21495874

Base System Value
2 Binary 1010010000000000001000010
3 Ternary 1111110002210111
4 Quaternary 1102000001002
5 Quinary 21000331444
6 Senary 2044421534
8 Octal 122000102
10 Decimal 21495874
12 Duodecimal 72478aa
16 Hexadecimal 1480042
20 Vigesimal 6e6jde
36 Base36 csqbm

Cryptographic Hash Functions

md5 264866684219b1b4f31d0fd7860e5b3e
sha1 c3737edbb62cea33987ec6921ef3eef43a1345c7
sha256 df25c74766bf7f617a501751d0d409294899a61ebf7fa8d51f3ff1549664ab47
sha512 025974d15e4f97b151a224126558c0a001bd1bbf7a12e5d29bc24cc8a1a0abaafb66b8c5074fbf71e8a2bedb2bbdf78d4d3a9ade98465f83959760663825aa1a
ripemd-160 55f0b9dc47c70172b7945f1f043d81b851d54dc0

21495874 as geometric shapes

Circle

Radius = n
Diameter 42991748
Circumference 135062559.68178
Area 1.4516438825186E+15

Sphere

Radius = n
Volume 4.1605805321986E+22
Surface area 5.8065755300742E+15
Circumference 135062559.68178

Square

Length = n
Perimeter 85983496
Area 462072599023876
Diagonal 30399756.545863

Cube

Length = n
Surface area 2772435594143256
Volume 9.9326543674698E+21
Space diagonal 37231945.921099

Equilateral Triangle

Length = n
Perimeter 64487622
Area 2.0008330457369E+14
Altitude 18615972.960549

Triangular Pyramid

Length = n
Surface area 2.0008330457369E+14
Volume 1.17057454307E+21
Height 10133252.181954