21969969 (number)

21969969 is an odd 8-digits composite number following 21969968 and preceding 21969970. In scientific notation, it is written as 2.1969969 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 12554256 positive integers (up to 21969969) that are relatively prime to 21969969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1969969 × 10^7
Engineering notation 2.1969969 × 10^6

Prime Factorization of 21969969

Prime Factorization 3 × 7 × 1046189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21969969
Product of the distinct prime numbers

The prime factorization of 21969969 is 3 × 7 × 1046189. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21969969)

Multiplication

n×y
n×2 43939938
n×3 65909907
n×4 87879876
n×5 109849845

Division

n÷y
n÷2 10984984.5
n÷3 7323323
n÷3 5492492.25
n÷5 4393993.8

Exponentiation

ny
n2 482679537860961
n3 1.060445448374E+22
n4 2.3297953626967E+29
n5 5.118553189479E+36

Nth Root

y√n
2√n 4687.2133512355
3√n 280.07637797336
4√n 68.463226269549
5√n 29.401256357178

Divisors of 21969969

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 -21969968
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 21969969 can be divided by 8 positive divisors. The sum of these divisors (counting 21969969) is 1, the average is 0.125.

Base conversion 21969969

Base System Value
2 Binary 1010011110011110000110001
3 Ternary 1112100012010120
4 Quaternary 1103303300301
5 Quinary 21111014334
6 Senary 2102520453
8 Octal 123636061
10 Decimal 21969969
12 Duodecimal 7436129
16 Hexadecimal 14f3c31
20 Vigesimal 6h64i9
36 Base36 d2w4x

Cryptographic Hash Functions

md5 68eab0c17e1320db393eed16f7f8f599
sha1 427516cb2f300a8b605cfa6383a2e66978eb6311
sha256 c6c9662f6d6e7da1d97334bc880892a0e32065593c6899b6115888fcd7469f7f
sha512 2ea026d66508d157e0cca27422c305f284ffd8d771dc033bdc97ad7b44cff589e1137102b60e39b7dcdbf0862c09d8e3454c08526bb3ef73aeaa8e10400d530a
ripemd-160 bc724e2c9742d8e0866ce8b2bc2f807aa3931f0a

21969969 as geometric shapes

Circle

Radius = n
Diameter 43939938
Circumference 138041386.41999
Area 1.5163824901821E+15

Sphere

Radius = n
Volume 4.4419835068592E+22
Surface area 6.0655299607284E+15
Circumference 138041386.41999

Square

Length = n
Perimeter 87879876
Area 482679537860961
Diagonal 31070228.124716

Cube

Length = n
Surface area 2896077227165766
Volume 1.060445448374E+22
Space diagonal 38053102.548713

Equilateral Triangle

Length = n
Perimeter 65909907
Area 2.0900637083726E+14
Altitude 19026551.274357

Triangular Pyramid

Length = n
Surface area 2.0900637083726E+14
Volume 1.2497469460394E+21
Height 10356742.708239