21491295 (number)

21491295 is an odd 8-digits composite number following 21491294 and preceding 21491296. In scientific notation, it is written as 2.1491295 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 9824544 positive integers (up to 21491295) that are relatively prime to 21491295.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand two hundred ninety-five

Notation

Scientific notation 2.1491295 × 10^7
Engineering notation 2.1491295 × 10^6

Prime Factorization of 21491295

Prime Factorization 105 × 204679

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21491295
Product of the distinct prime numbers

The prime factorization of 21491295 is 105 × 204679. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491295)

Multiplication

n×y
n×2 42982590
n×3 64473885
n×4 85965180
n×5 107456475

Division

n÷y
n÷2 10745647.5
n÷3 7163765
n÷3 5372823.75
n÷5 4298259

Exponentiation

ny
n2 461875760777025
n3 9.9263082282085E+21
n4 2.1332921839336E+29
n5 4.584721164611E+36

Nth Root

y√n
2√n 4635.8704684234
3√n 278.02735527788
4√n 68.087226910951
5√n 29.27200813062

Divisors of 21491295

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 -21491294
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 21491295 can be divided by 4 positive divisors. The sum of these divisors (counting 21491295) is 1, the average is 0.25.

Base conversion 21491295

Base System Value
2 Binary 1010001111110111001011111
3 Ternary 1111102212111220
4 Quaternary 1101332321133
5 Quinary 21000210140
6 Senary 2044344423
8 Octal 121767137
10 Decimal 21491295
12 Duodecimal 7245113
16 Hexadecimal 147ee5f
20 Vigesimal 6e684f
36 Base36 csmsf

Cryptographic Hash Functions

md5 2df7ed421f3afb7ad518c59494666515
sha1 4eebfce3b03d094a7f123e90a2e3bd3454a9e69e
sha256 45683cc8b0fb0cfca8b9c4111480f4c0cfbc0a4fe0d82716de08854e33a21599
sha512 9ee761c54d916dc33afb80f7973857d5aa82eebebcfb1851bc8d034fffc8f4a685332ea0e88dce8c344e8ac491e1add8ddf1825d0ca726a114f9301ab409b2df
ripemd-160 65e0a0564887e2ff364a14cf54e1bbf8e90038a5

21491295 as geometric shapes

Circle

Radius = n
Diameter 42982590
Circumference 135033788.97626
Area 1.4510254969283E+15

Sphere

Radius = n
Volume 4.157922267601E+22
Surface area 5.8041019877132E+15
Circumference 135033788.97626

Square

Length = n
Perimeter 85965180
Area 461875760777025
Diagonal 30393280.861961

Cube

Length = n
Surface area 2771254564662150
Volume 9.9263082282085E+21
Space diagonal 37224014.860451

Equilateral Triangle

Length = n
Perimeter 64473885
Area 1.9999807111258E+14
Altitude 18612007.430225

Triangular Pyramid

Length = n
Surface area 1.9999807111258E+14
Volume 1.1698266433857E+21
Height 10131093.620654