21492969 (number)

21492969 is an odd 8-digits composite number following 21492968 and preceding 21492970. In scientific notation, it is written as 2.1492969 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 14180736 positive integers (up to 21492969) that are relatively prime to 21492969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492969 × 10^7
Engineering notation 2.1492969 × 10^6

Prime Factorization of 21492969

Prime Factorization 3 × 97 × 73859

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492969
Product of the distinct prime numbers

The prime factorization of 21492969 is 3 × 97 × 73859. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492969)

Multiplication

n×y
n×2 42985938
n×3 64478907
n×4 85971876
n×5 107464845

Division

n÷y
n÷2 10746484.5
n÷3 7164323
n÷3 5373242.25
n÷5 4298593.8

Exponentiation

ny
n2 461947716434961
n3 9.9286279489574E+21
n4 2.1339569271948E+29
n5 4.5865070083532E+36

Nth Root

y√n
2√n 4636.0510135243
3√n 278.03457379293
4√n 68.088552734834
5√n 29.272464127478

Divisors of 21492969

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492968
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492969 can be divided by 8 positive divisors. The sum of these divisors (counting 21492969) is 1, the average is 0.125.

Base conversion 21492969

Base System Value
2 Binary 1010001111111010011101001
3 Ternary 1111102221210220
4 Quaternary 1101333103221
5 Quinary 21000233334
6 Senary 2044400253
8 Octal 121772351
10 Decimal 21492969
12 Duodecimal 7246089
16 Hexadecimal 147f4e9
20 Vigesimal 6e6c89
36 Base36 cso2x

Cryptographic Hash Functions

md5 39c69dd834f2f2fd5cc08d3e9b759c39
sha1 1f11c52e619274c7c46bd79a7d57ff41320c956b
sha256 4939777490c407ce21ab4dda8499ec9c0069278b3929e8c4f7bd45fc49c59ec5
sha512 f770e04599e0e3acd11a094e8f6fab107f78a619be846c7361e2103c4c3eb87fd9f0303bedec821f3349e0d5cbd2e19f4861896fadded03896338a913ccedf58
ripemd-160 7cce1947b8c086d34c56d97285d5b7fa62d98d7e

21492969 as geometric shapes

Circle

Radius = n
Diameter 42985938
Circumference 135044307.02847
Area 1.4512515522947E+15

Sphere

Radius = n
Volume 4.1588939499561E+22
Surface area 5.8050062091786E+15
Circumference 135044307.02847

Square

Length = n
Perimeter 85971876
Area 461947716434961
Diagonal 30395648.255465

Cube

Length = n
Surface area 2771686298609766
Volume 9.9286279489574E+21
Space diagonal 37226914.313503

Equilateral Triangle

Length = n
Perimeter 64478907
Area 2.0002922882644E+14
Altitude 18613457.156751

Triangular Pyramid

Length = n
Surface area 2.0002922882644E+14
Volume 1.1701000250977E+21
Height 10131882.751822