21691825 (number)

21691825 is an odd 8-digits composite number following 21691824 and preceding 21691826. In scientific notation, it is written as 2.1691825 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 16439760 positive integers (up to 21691825) that are relatively prime to 21691825.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred twenty-five

Notation

Scientific notation 2.1691825 × 10^7
Engineering notation 2.1691825 × 10^6

Prime Factorization of 21691825

Prime Factorization 5 × 5 × 19 × 45667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4338365
Product of the distinct prime numbers

The prime factorization of 21691825 is 5 × 5 × 19 × 45667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691825)

Multiplication

n×y
n×2 43383650
n×3 65075475
n×4 86767300
n×5 108459125

Division

n÷y
n÷2 10845912.5
n÷3 7230608.3333333
n÷3 5422956.25
n÷5 4338365

Exponentiation

ny
n2 470535271830625
n3 1.0206768772877E+22
n4 2.2140344203672E+29
n5 4.8026447190582E+36

Nth Root

y√n
2√n 4657.4483357306
3√n 278.88941459972
4√n 68.245500479743
5√n 29.326431368959

Divisors of 21691825

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691824
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691825 can be divided by 12 positive divisors. The sum of these divisors (counting 21691825) is 1, the average is 0.083333333333333.

Base conversion 21691825

Base System Value
2 Binary 1010010101111110110110001
3 Ternary 1111211001120221
4 Quaternary 1102233312301
5 Quinary 21023114300
6 Senary 2052533041
8 Octal 122576661
10 Decimal 21691825
12 Duodecimal 7321181
16 Hexadecimal 14afdb1
20 Vigesimal 6fb9b5
36 Base36 cwxip

Cryptographic Hash Functions

md5 9cec7bbffbc060b66ce8f66baccf8f6b
sha1 b35cc0a4ddab1fb001292655b5f38ec3c32d69bd
sha256 eb9ee901ec38df494637eb1ee680f0001b268e7c3d603e8940fc672ff08d37f8
sha512 5a4097748c243310457354e20cd75cf8b7fee8cbdc8fcf89f080e46b2996a814d936a59f7f161479f6882ac408f0d3ccaaf5574631ff0c3be7e5fb78a8cb0845
ripemd-160 1e3fb9bb88521894283451a9b790978f4ff13691

21691825 as geometric shapes

Circle

Radius = n
Diameter 43383650
Circumference 136293756.12591
Area 1.478230153238E+15

Sphere

Radius = n
Volume 4.2754013058348E+22
Surface area 5.9129206129519E+15
Circumference 136293756.12591

Square

Length = n
Perimeter 86767300
Area 470535271830625
Diagonal 30676873.107624

Cube

Length = n
Surface area 2823211630983750
Volume 1.0206768772877E+22
Space diagonal 37571343.008893

Equilateral Triangle

Length = n
Perimeter 65075475
Area 2.0374774939097E+14
Altitude 18785671.504446

Triangular Pyramid

Length = n
Surface area 2.0374774939097E+14
Volume 1.2028792355508E+21
Height 10225624.369208