21491346 (number)

21491346 is an even 8-digits composite number following 21491345 and preceding 21491347. In scientific notation, it is written as 2.1491346 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6994944 positive integers (up to 21491346) that are relatively prime to 21491346.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491346 × 10^7
Engineering notation 2.1491346 × 10^6

Prime Factorization of 21491346

Prime Factorization 2 × 3 × 73 × 353 × 139

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21491346
Product of the distinct prime numbers

The prime factorization of 21491346 is 2 × 3 × 73 × 353 × 139. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491346)

Multiplication

n×y
n×2 42982692
n×3 64474038
n×4 85965384
n×5 107456730

Division

n÷y
n÷2 10745673
n÷3 7163782
n÷3 5372836.5
n÷5 4298269.2

Exponentiation

ny
n2 461877952891716
n3 9.9263788953676E+21
n4 2.1333124336744E+29
n5 4.5847755638199E+36

Nth Root

y√n
2√n 4635.8759690052
3√n 278.02757520234
4√n 68.087267304579
5√n 29.272022023418

Divisors of 21491346

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 -21491345
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 21491346 can be divided by 32 positive divisors. The sum of these divisors (counting 21491346) is 1, the average is 0.03125.

Base conversion 21491346

Base System Value
2 Binary 1010001111110111010010010
3 Ternary 1111102212120210
4 Quaternary 1101332322102
5 Quinary 21000210341
6 Senary 2044344550
8 Octal 121767222
10 Decimal 21491346
12 Duodecimal 7245156
16 Hexadecimal 147ee92
20 Vigesimal 6e6876
36 Base36 csmtu

Cryptographic Hash Functions

md5 6811092f06b2a8837ddeb68e2e48d234
sha1 cba00cb9d6b72bbf5a7919952f76f23c4228fb83
sha256 a563daf8cb00a86c8e79b5be34d4d45d7c05b120f5ff33a50e6f4feece47e500
sha512 860c928fed04044889fbea63a9288368df66938970efa2986a0c9df545f4564c4131919ecc559a6074f5e9abbb2a4879740147265b1dfeae730eb76f34c35330
ripemd-160 6d1aae7a12d8219bb3237c43fd37fe2ad339c190

21491346 as geometric shapes

Circle

Radius = n
Diameter 42982692
Circumference 135034109.41871
Area 1.4510323836597E+15

Sphere

Radius = n
Volume 4.1579518685914E+22
Surface area 5.8041295346388E+15
Circumference 135034109.41871

Square

Length = n
Perimeter 85965384
Area 461877952891716
Diagonal 30393352.986853

Cube

Length = n
Surface area 2771267717350296
Volume 9.9263788953676E+21
Space diagonal 37224103.195042

Equilateral Triangle

Length = n
Perimeter 64474038
Area 1.9999902032609E+14
Altitude 18612051.597521

Triangular Pyramid

Length = n
Surface area 1.9999902032609E+14
Volume 1.1698349715902E+21
Height 10131117.662284