21995660 is an even 8-digits composite number following 21995659
and preceding 21995661 . In scientific notation, it is written as 2.1995660 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 8798256 positive integers (up to 21995660) that are relatively prime to 21995660.
21995660 has 12 divisors, whose sum is 46190928
The reverse of 21995660 is 06659912
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million nine hundred ninety-five thousand six hundred sixty
Scientific notation
2.1995660 × 10^7
Engineering notation
2.1995660 × 10^6
Prime Factorization
2 × 2 × 5 × 1099783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10997830
Product of the distinct prime numbers
The prime factorization of 21995660 is 2 × 2 × 5 × 1099783.
Since it has a total of 4 prime factors.
7 , 6 , 12 , 37 , 849 , 647 , 555 , 9813 , 27285 , 25023 , 938985 , 173579 , 8853124 , 7849031 , 39484451 , 79441271 , 965568767 , 276365566 , 6729342234 , 8353427717
n×2
43991320
n×3
65986980
n×4
87982640
n×5
109978300
n÷2
10997830
n÷3
7331886.6666667
n÷3
5498915
n÷5
4399132
n2
483809058835600
n3
1.0641699563068E+22
n4
2.3407120541139E+29
n5
5.1485506500191E+36
2 √n
4689.9530914498
3 √n
280.18550632243
4 √n
68.483232191901
5 √n
29.408129326482
1 , 2 , 4 , 5 , 10 , 20 , 1099783 , 2199566 , 4399132 , 5498915 , 10997830 , 21995660
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21995659
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21995660 can be divided by 12 positive divisors.
The sum of these divisors (counting 21995660) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011111010000010001100
3
Ternary
1112101111101002
4
Quaternary
1103322002030
5
Quinary
21112330120
6
Senary
2103235432
8
Octal
123720214
10
Decimal
21995660
12
Duodecimal
7448b78
16
Hexadecimal
14fa08c
20
Vigesimal
6h9930
36
Base36
d3fyk
md5
4642c78c0cb513fe583672764c2f0205
sha1
b6f68c7219867bec127057c75afea83d23c82dfe
sha256
9ee0c794eec3f6ac759d39b92ab0b431fb2f07a77c71f089ffa9caa659813c33
sha512
f74d045fe9b062412d6f135aafc5efd6ed510ddef9777e12dc9aeb2d36fb7362db0d7c861368154ae4215573716951eedb56753d5e58350cbfce19ed03bd9d13
ripemd-160
3b5bd26fa456e01c0b28c6c4600b9d6677bf9cbd
Diameter
43991320
Circumference
138202807.73372
Area
1.5199309849781E+15
Volume
4.4575846892058E+22
Surface area
6.0797239399125E+15
Circumference
138202807.73372
Perimeter
87982640
Area
483809058835600
Diagonal
31106560.685347
Surface area
2902854353013600
Volume
1.0641699563068E+22
Space diagonal
38097600.66601
Perimeter
65986980
Area
2.0949546776633E+14
Altitude
19048800.333005
Surface area
2.0949546776633E+14
Volume
1.2541363207325E+21
Height
10368853.561782