21691873 (number)

21691873 is an odd 8-digits composite number following 21691872 and preceding 21691874. In scientific notation, it is written as 2.1691873 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 18593028 positive integers (up to 21691873) that are relatively prime to 21691873.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred seventy-three

Notation

Scientific notation 2.1691873 × 10^7
Engineering notation 2.1691873 × 10^6

Prime Factorization of 21691873

Prime Factorization 7 × 3098839

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21691873
Product of the distinct prime numbers

The prime factorization of 21691873 is 7 × 3098839. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691873)

Multiplication

n×y
n×2 43383746
n×3 65075619
n×4 86767492
n×5 108459365

Division

n÷y
n÷2 10845936.5
n÷3 7230624.3333333
n÷3 5422968.25
n÷5 4338374.6

Exponentiation

ny
n2 470537354248129
n3 1.0206836530106E+22
n4 2.2140540174283E+29
n5 4.8026978561194E+36

Nth Root

y√n
2√n 4657.453488764
3√n 278.88962030981
4√n 68.245538233382
5√n 29.326444347743

Divisors of 21691873

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 -21691872
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 21691873 can be divided by 4 positive divisors. The sum of these divisors (counting 21691873) is 1, the average is 0.25.

Base conversion 21691873

Base System Value
2 Binary 1010010101111110111100001
3 Ternary 1111211001122201
4 Quaternary 1102233313201
5 Quinary 21023114443
6 Senary 2052533201
8 Octal 122576741
10 Decimal 21691873
12 Duodecimal 7321201
16 Hexadecimal 14afde1
20 Vigesimal 6fb9dd
36 Base36 cwxk1

Cryptographic Hash Functions

md5 90b709d629800a49932a7185edbaf805
sha1 43719edc905ff7bdd5609edd5a172fb48a963cf3
sha256 743403486d49c5ae3a9935b5b57863e951d63bce78441ef4a33698ca9b4b1e19
sha512 e0d8fb94a602399ce2122c5e2c298923a46623798dcef11f630a8ae3b62fcbdf9bc2f2178c2e17bbddf29b61f75c87e2fcb143520c0a7e1be4d6aa3072abc153
ripemd-160 386e40add72be5f9434096fc2e2edf105b0cb554

21691873 as geometric shapes

Circle

Radius = n
Diameter 43383746
Circumference 136294057.71881
Area 1.4782366953455E+15

Sphere

Radius = n
Volume 4.2754296879166E+22
Surface area 5.912946781382E+15
Circumference 136294057.71881

Square

Length = n
Perimeter 86767492
Area 470537354248129
Diagonal 30676940.989875

Cube

Length = n
Surface area 2823224125488774
Volume 1.0206836530106E+22
Space diagonal 37571426.147332

Equilateral Triangle

Length = n
Perimeter 65075619
Area 2.037486511042E+14
Altitude 18785713.073666

Triangular Pyramid

Length = n
Surface area 2.037486511042E+14
Volume 1.2028872208168E+21
Height 10225646.996625