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.
21939969 has 4 divisors, whose sum is 29253296
The reverse of 21939969 is 96993912
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-one million nine hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
2.1939969 × 10^7
Engineering notation
2.1939969 × 10^6
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.
3 , 5 , 55 , 43 , 490 , 253 , 8686 , 1147 , 65722 , 88932 , 357603 , 687780 , 1574988 , 1946809 , 73229923 , 92090298 , 994492873 , 474650286 , 1718661820 , 5057963244
n×2
43879938
n×3
65819907
n×4
87759876
n×5
109699845
n÷2
10969984.5
n÷3
7313323
n÷3
5484992.25
n÷5
4387993.8
n2
481362239720961
n3
1.0561072617248E+22
n4
2.3170960582918E+29
n5
5.0837015688944E+36
2 √n
4684.0120623243
3 √n
279.94883844145
4 √n
68.439842652685
5 √n
29.393222482803
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
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
md5
2100870f925fc105e2ac03b5b1ff170a
sha1
3c3f6258342d1d082078cd81872d61dd9de0ddce
sha256
2cfb631831eb385a7e7ddef7542d65a2b7c55782465dc043f276e5995d121e24
sha512
8ed74dd3be90fde58cceb90033cf42d8db8d5a96c2cb305e07405ae4ed3688ac47b80cb697887ed7bc3769faa7a7f0f2dd69d879199810e4d611a1b365f361d3
ripemd-160
a3244698beecd86bfc9669879f547dd278fd69d4
Diameter
43879938
Circumference
137852890.86078
Area
1.5122440760229E+15
Volume
4.4238117531168E+22
Surface area
6.0489763040916E+15
Circumference
137852890.86078
Perimeter
87759876
Area
481362239720961
Diagonal
31027801.717845
Surface area
2888173438325766
Volume
1.0561072617248E+22
Space diagonal
38001141.024486
Perimeter
65819907
Area
2.0843596401046E+14
Altitude
19000570.512243
Surface area
2.0843596401046E+14
Volume
1.2446343440433E+21
Height
10342600.572615