21491310 (number)

21491310 is an even 8-digits composite number following 21491309 and preceding 21491311. In scientific notation, it is written as 2.1491310 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 5715360 positive integers (up to 21491310) that are relatively prime to 21491310.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand three hundred ten

Notation

Scientific notation 2.1491310 × 10^7
Engineering notation 2.1491310 × 10^6

Prime Factorization of 21491310

Prime Factorization 2 × 3 × 5 × 487 × 1471

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21491310
Product of the distinct prime numbers

The prime factorization of 21491310 is 2 × 3 × 5 × 487 × 1471. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 40, 49, 725, 483, 4736, 5372, 89161, 76772, 358425, 765833, 4512106, 7694016, 93945316, 98446056, 156128410, 700660335, 1949945134, 5646783864

Basic calculations (n = 21491310)

Multiplication

n×y
n×2 42982620
n×3 64473930
n×4 85965240
n×5 107456550

Division

n÷y
n÷2 10745655
n÷3 7163770
n÷3 5372827.5
n÷5 4298262

Exponentiation

ny
n2 461876405516100
n3 9.9263290126322E+21
n4 2.1332981397247E+29
n5 4.5847371643247E+36

Nth Root

y√n
2√n 4635.8720862422
3√n 278.02741996158
4√n 68.087238791438
5√n 29.27201221674

Divisors of 21491310

1, 2, 3, 5, 6, 10, 15, 30, 487, 974, 1461, 1471, 2435, 2922, 2942, 4413, 4870, 7305, 7355, 8826, 14610, 14710, 22065, 44130, 716377, 1432754, 2149131, 3581885, 4298262, 7163770, 10745655, 21491310

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491309
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491310 can be divided by 32 positive divisors. The sum of these divisors (counting 21491310) is 1, the average is 0.03125.

Base conversion 21491310

Base System Value
2 Binary 1010001111110111001101110
3 Ternary 1111102212112110
4 Quaternary 1101332321232
5 Quinary 21000210220
6 Senary 2044344450
8 Octal 121767156
10 Decimal 21491310
12 Duodecimal 7245126
16 Hexadecimal 147ee6e
20 Vigesimal 6e685a
36 Base36 csmsu

Cryptographic Hash Functions

md5 2191c824922e16741dc1a60f926afcc1
sha1 8a3d3561f7a5b088052a15c8bb357c35e5f9d757
sha256 4f8ffe537c01f350190c0d30ef4abe0c9a5c98fd53b6afc717a743aaf3299509
sha512 6972803dc480287df6567557b598f21e455023fcbb639a224563da031c6fe38ae7c15369e2c214d09d031b1f7395f55594625a1799c970ec6beda8a99e1301b9
ripemd-160 cf714b479df4b9b39faae94e39caeed603dc7d6a

21491310 as geometric shapes

Circle

Radius = n
Diameter 42982620
Circumference 135033883.22404
Area 1.4510275224358E+15

Sphere

Radius = n
Volume 4.1579309737601E+22
Surface area 5.8041100897434E+15
Circumference 135033883.22404

Square

Length = n
Perimeter 85965240
Area 461876405516100
Diagonal 30393302.075165

Cube

Length = n
Surface area 2771258433096600
Volume 9.9263290126322E+21
Space diagonal 37224040.841213

Equilateral Triangle

Length = n
Perimeter 64473930
Area 1.9999835029279E+14
Altitude 18612020.420607

Triangular Pyramid

Length = n
Surface area 1.9999835029279E+14
Volume 1.1698290928535E+21
Height 10131100.691722