21492946 (number)

21492946 is an even 8-digits composite number following 21492945 and preceding 21492947. In scientific notation, it is written as 2.1492946 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10746472 positive integers (up to 21492946) that are relatively prime to 21492946.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred forty-six

Notation

Scientific notation 2.1492946 × 10^7
Engineering notation 2.1492946 × 10^6

Prime Factorization of 21492946

Prime Factorization 2 × 10746473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492946
Product of the distinct prime numbers

The prime factorization of 21492946 is 2 × 10746473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492946)

Multiplication

n×y
n×2 42985892
n×3 64478838
n×4 85971784
n×5 107464730

Division

n÷y
n÷2 10746473
n÷3 7164315.3333333
n÷3 5373236.5
n÷5 4298589.2

Exponentiation

ny
n2 461946727758916
n3 9.9285960745991E+21
n4 2.1339477928717E+29
n5 4.5864824679011E+36

Nth Root

y√n
2√n 4636.0485329643
3√n 278.03447461635
4√n 68.088534519141
5√n 29.272457862481

Divisors of 21492946

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 -21492945
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 21492946 can be divided by 4 positive divisors. The sum of these divisors (counting 21492946) is 1, the average is 0.25.

Base conversion 21492946

Base System Value
2 Binary 1010001111111010011010010
3 Ternary 1111102221210001
4 Quaternary 1101333103102
5 Quinary 21000233241
6 Senary 2044400214
8 Octal 121772322
10 Decimal 21492946
12 Duodecimal 724606a
16 Hexadecimal 147f4d2
20 Vigesimal 6e6c76
36 Base36 cso2a

Cryptographic Hash Functions

md5 95776de1d04e528f4c07ac1d9bbd73b2
sha1 e5be285a21318ac98566912733481e38c271c482
sha256 c28094274a3e299f8d51264b2080cce99fcd89c97f4201e84d7356f718ff23c5
sha512 6be074abbda55c0b6c5dce52ed0ef49110eab2a29a247e40e92d457faa749ecd2328a83cf9265761ebcbfb2fbed49a37d998aacd6913caa8e718b3693d06304c
ripemd-160 aeefef7764ca4838ff1afa1c848ac9c95c1b1edc

21492946 as geometric shapes

Circle

Radius = n
Diameter 42985892
Circumference 135044162.5152
Area 1.4512484462773E+15

Sphere

Radius = n
Volume 4.1588805984561E+22
Surface area 5.804993785109E+15
Circumference 135044162.5152

Square

Length = n
Perimeter 85971784
Area 461946727758916
Diagonal 30395615.728553

Cube

Length = n
Surface area 2771680366553496
Volume 9.9285960745991E+21
Space diagonal 37226874.476334

Equilateral Triangle

Length = n
Perimeter 64478838
Area 2.0002880071716E+14
Altitude 18613437.238167

Triangular Pyramid

Length = n
Surface area 2.0002880071716E+14
Volume 1.1700962686685E+21
Height 10131871.909518