21939969 (number)

21939969 is an odd 8-digits composite number following 21939968 and preceding 21939970. In scientific notation, it is written as 2.1939969 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 14626644 positive integers (up to 21939969) that are relatively prime to 21939969.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 2.1939969 × 10^7
Engineering notation 2.1939969 × 10^6

Prime Factorization of 21939969

Prime Factorization 3 × 7313323

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21939969
Product of the distinct prime numbers

The prime factorization of 21939969 is 3 × 7313323. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21939969)

Multiplication

n×y
n×2 43879938
n×3 65819907
n×4 87759876
n×5 109699845

Division

n÷y
n÷2 10969984.5
n÷3 7313323
n÷3 5484992.25
n÷5 4387993.8

Exponentiation

ny
n2 481362239720961
n3 1.0561072617248E+22
n4 2.3170960582918E+29
n5 5.0837015688944E+36

Nth Root

y√n
2√n 4684.0120623243
3√n 279.94883844145
4√n 68.439842652685
5√n 29.393222482803

Divisors of 21939969

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 -21939968
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 21939969 can be divided by 4 positive divisors. The sum of these divisors (counting 21939969) is 1, the average is 0.25.

Base conversion 21939969

Base System Value
2 Binary 1010011101100011100000001
3 Ternary 1112021122222110
4 Quaternary 1103230130001
5 Quinary 21104034334
6 Senary 2102125533
8 Octal 123543401
10 Decimal 21939969
12 Duodecimal 74208a9
16 Hexadecimal 14ec701
20 Vigesimal 6h29i9
36 Base36 d28zl

Cryptographic Hash Functions

md5 2100870f925fc105e2ac03b5b1ff170a
sha1 3c3f6258342d1d082078cd81872d61dd9de0ddce
sha256 2cfb631831eb385a7e7ddef7542d65a2b7c55782465dc043f276e5995d121e24
sha512 8ed74dd3be90fde58cceb90033cf42d8db8d5a96c2cb305e07405ae4ed3688ac47b80cb697887ed7bc3769faa7a7f0f2dd69d879199810e4d611a1b365f361d3
ripemd-160 a3244698beecd86bfc9669879f547dd278fd69d4

21939969 as geometric shapes

Circle

Radius = n
Diameter 43879938
Circumference 137852890.86078
Area 1.5122440760229E+15

Sphere

Radius = n
Volume 4.4238117531168E+22
Surface area 6.0489763040916E+15
Circumference 137852890.86078

Square

Length = n
Perimeter 87759876
Area 481362239720961
Diagonal 31027801.717845

Cube

Length = n
Surface area 2888173438325766
Volume 1.0561072617248E+22
Space diagonal 38001141.024486

Equilateral Triangle

Length = n
Perimeter 65819907
Area 2.0843596401046E+14
Altitude 19000570.512243

Triangular Pyramid

Length = n
Surface area 2.0843596401046E+14
Volume 1.2446343440433E+21
Height 10342600.572615