21492974 (number)

21492974 is an even 8-digits composite number following 21492973 and preceding 21492975. In scientific notation, it is written as 2.1492974 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10746486 positive integers (up to 21492974) that are relatively prime to 21492974.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492974 × 10^7
Engineering notation 2.1492974 × 10^6

Prime Factorization of 21492974

Prime Factorization 2 × 10746487

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492974
Product of the distinct prime numbers

The prime factorization of 21492974 is 2 × 10746487. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492974)

Multiplication

n×y
n×2 42985948
n×3 64478922
n×4 85971896
n×5 107464870

Division

n÷y
n÷2 10746487
n÷3 7164324.6666667
n÷3 5373243.5
n÷5 4298594.8

Exponentiation

ny
n2 461947931364676
n3 9.9286348781748E+21
n4 2.133958912921E+29
n5 4.586512343248E+36

Nth Root

y√n
2√n 4636.0515527763
3√n 278.03459535305
4√n 68.088556694766
5√n 29.272465489434

Divisors of 21492974

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 -21492973
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 21492974 can be divided by 4 positive divisors. The sum of these divisors (counting 21492974) is 1, the average is 0.25.

Base conversion 21492974

Base System Value
2 Binary 1010001111111010011101110
3 Ternary 1111102221211002
4 Quaternary 1101333103232
5 Quinary 21000233344
6 Senary 2044400302
8 Octal 121772356
10 Decimal 21492974
12 Duodecimal 7246092
16 Hexadecimal 147f4ee
20 Vigesimal 6e6c8e
36 Base36 cso32

Cryptographic Hash Functions

md5 9e0e1d64258804f87024791dfaebd6c0
sha1 92a03fe9302934bdd062be4a674a52dfbf6b057e
sha256 fee33e6be6acf41632946b19c5684be3b3de6295696a15e476427404a705f282
sha512 985b3980db869afea65631e8fd267c73c0e848768ff35c236919e45f5eeb00811c58556e9c9cf21e4efcd594a496c21d63c3bc9e09dfbb0c6caf63c3fbe721ff
ripemd-160 4cd8c6693d4741103ca4c91e658caf9b5eac1f5f

21492974 as geometric shapes

Circle

Radius = n
Diameter 42985948
Circumference 135044338.44439
Area 1.4512522275163E+15

Sphere

Radius = n
Volume 4.1588968524599E+22
Surface area 5.8050089100651E+15
Circumference 135044338.44439

Square

Length = n
Perimeter 85971896
Area 461947931364676
Diagonal 30395655.326532

Cube

Length = n
Surface area 2771687588188056
Volume 9.9286348781748E+21
Space diagonal 37226922.973757

Equilateral Triangle

Length = n
Perimeter 64478922
Area 2.0002932189374E+14
Altitude 18613461.486878

Triangular Pyramid

Length = n
Surface area 2.0002932189374E+14
Volume 1.1701008417138E+21
Height 10131885.108844