21492942 (number)

21492942 is an even 8-digits composite number following 21492941 and preceding 21492943. In scientific notation, it is written as 2.1492942 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 7156352 positive integers (up to 21492942) that are relatively prime to 21492942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492942 × 10^7
Engineering notation 2.1492942 × 10^6

Prime Factorization of 21492942

Prime Factorization 2 × 3 × 2609 × 1373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492942
Product of the distinct prime numbers

The prime factorization of 21492942 is 2 × 3 × 2609 × 1373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 74, 96, 463, 327, 4035, 5865, 2113, 49628, 483271, 406897, 4994970, 5766577, 62339487, 16688955, 933238749, 283061572, 6805296998, 3859841620

Basic calculations (n = 21492942)

Multiplication

n×y
n×2 42985884
n×3 64478826
n×4 85971768
n×5 107464710

Division

n÷y
n÷2 10746471
n÷3 7164314
n÷3 5373235.5
n÷5 4298588.4

Exponentiation

ny
n2 461946555815364
n3 9.9285905312394E+21
n4 2.1339462042968E+29
n5 4.5864782000071E+36

Nth Root

y√n
2√n 4636.0481015624
3√n 278.03445736825
4√n 68.088531351193
5√n 29.272456772916

Divisors of 21492942

1, 2, 3, 6, 1373, 2609, 2746, 4119, 5218, 7827, 8238, 15654, 3582157, 7164314, 10746471, 21492942

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492942 can be divided by 16 positive divisors. The sum of these divisors (counting 21492942) is 1, the average is 0.0625.

Base conversion 21492942

Base System Value
2 Binary 1010001111111010011001110
3 Ternary 1111102221202220
4 Quaternary 1101333103032
5 Quinary 21000233232
6 Senary 2044400210
8 Octal 121772316
10 Decimal 21492942
12 Duodecimal 7246066
16 Hexadecimal 147f4ce
20 Vigesimal 6e6c72
36 Base36 cso26

Cryptographic Hash Functions

md5 511015a5211992b8d018185b239c6d09
sha1 28365574f66cc90f8d0a9a77545d1eedbbecea7e
sha256 0a11c35a3960815aea87e867872a79cd73fb753ef7cb14edf8a8207b0e2609be
sha512 27c80b843879b66d7998d9499c6695aac1d05fff8d2f9d9879f366c2fb85c6ea36ac1b6336ab3b6375a60d7d83907012da7bc7467e79855b028f8ada0dd9c633
ripemd-160 6b1ab25f47367415eace8febaec0b38d7173e84f

21492942 as geometric shapes

Circle

Radius = n
Diameter 42985884
Circumference 135044137.38246
Area 1.4512479061007E+15

Sphere

Radius = n
Volume 4.158878276459E+22
Surface area 5.8049916244026E+15
Circumference 135044137.38246

Square

Length = n
Perimeter 85971768
Area 461946555815364
Diagonal 30395610.071698

Cube

Length = n
Surface area 2771679334892184
Volume 9.9285905312394E+21
Space diagonal 37226867.548131

Equilateral Triangle

Length = n
Perimeter 64478826
Area 2.0002872626342E+14
Altitude 18613433.774066

Triangular Pyramid

Length = n
Surface area 2.0002872626342E+14
Volume 1.1700956153773E+21
Height 10131870.023899