21879969 (number)

21879969 is an odd 8-digits composite number following 21879968 and preceding 21879970. In scientific notation, it is written as 2.1879969 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors. There are 13115520 positive integers (up to 21879969) that are relatively prime to 21879969.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventy-nine thousand nine hundred sixty-nine

Notation

Scientific notation 2.1879969 × 10^7
Engineering notation 2.1879969 × 10^6

Prime Factorization of 21879969

Prime Factorization 3 × 23 × 23 × 17 × 811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 951303
Product of the distinct prime numbers

The prime factorization of 21879969 is 3 × 23 × 23 × 17 × 811. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21879969)

Multiplication

n×y
n×2 43759938
n×3 65639907
n×4 87519876
n×5 109399845

Division

n÷y
n÷2 10939984.5
n÷3 7293323
n÷3 5469992.25
n÷5 4375993.8

Exponentiation

ny
n2 478733043440961
n3 1.0474664149764E+22
n4 2.2918532688225E+29
n5 5.0145678474384E+36

Nth Root

y√n
2√n 4677.6029117487
3√n 279.69341016609
4√n 68.393003383012
5√n 29.377128333311

Divisors of 21879969

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21879968
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21879969 can be divided by 24 positive divisors. The sum of these divisors (counting 21879969) is 1, the average is 0.041666666666667.

Base conversion 21879969

Base System Value
2 Binary 1010011011101110010100001
3 Ternary 1112011121200020
4 Quaternary 1103131302201
5 Quinary 21100124334
6 Senary 2100544053
8 Octal 123356241
10 Decimal 21879969
12 Duodecimal 73b2029
16 Hexadecimal 14ddca1
20 Vigesimal 6geji9
36 Base36 d0yox

Cryptographic Hash Functions

md5 824a2e62775241b442f2850d9d61291b
sha1 c5a1b54c123ed2557d2f69dcc876a414ab027393
sha256 6ce20b8e83634a6b72cffaf6c92ac64b86cf2cb7cd13ad25e5711acacaddc849
sha512 5240253d3c69b3d5fcc86114ddb08a72a6a17780ecf4b5158ba1d36b88096909c182f9fae4ca666a0a97df188f69ef8b59f3c5aa4491780b736d2c0966f2e9dc
ripemd-160 3e3be8a8c233a0324eb92d7163bedb02e8fa3241

21879969 as geometric shapes

Circle

Radius = n
Diameter 43759938
Circumference 137475899.74234
Area 1.5039842123048E+15

Sphere

Radius = n
Volume 4.3876170588958E+22
Surface area 6.0159368492192E+15
Circumference 137475899.74234

Square

Length = n
Perimeter 87519876
Area 478733043440961
Diagonal 30942948.904103

Cube

Length = n
Surface area 2872398260645766
Volume 1.0474664149764E+22
Space diagonal 37897217.976032

Equilateral Triangle

Length = n
Perimeter 65639907
Area 2.0729748862546E+14
Altitude 18948608.988016

Triangular Pyramid

Length = n
Surface area 2.0729748862546E+14
Volume 1.2344510084916E+21
Height 10314316.301368