20995715 is an odd 8-digits composite number following 20995714
and preceding 20995716 . In scientific notation, it is written as 2.0995715 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 15503904 positive integers (up to 20995715) that are relatively prime to 20995715.
20995715 has 12 divisors, whose sum is 27283104
The reverse of 20995715 is 51759902
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety-five thousand seven hundred fifteen
Scientific notation
2.0995715 × 10^7
Engineering notation
2.0995715 × 10^6
Prime Factorization
13 × 5 × 13 × 24847
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1615055
Product of the distinct prime numbers
The prime factorization of 20995715 is 13 × 5 × 13 × 24847.
Since it has a total of 4 prime factors.
9 , 1 , 4 , 97 , 454 , 213 , 488 , 8050 , 39209 , 97429 , 665219 , 454499 , 5703474 , 7789391 , 34318192 , 26067825 , 627728941 , 176385705 , 1262255187 , 6203654916
n×2
41991430
n×3
62987145
n×4
83982860
n×5
104978575
n÷2
10497857.5
n÷3
6998571.6666667
n÷3
5248928.75
n÷5
4199143
n2
440820048361225
n3
9.2553321016785E+21
n4
1.9432231503719E+29
n5
4.0799359446611E+36
2 √n
4582.1081392739
3 √n
275.873651298
4 √n
67.691270776031
5 √n
29.135745424274
1 , 5 , 13 , 65 , 169 , 845 , 24847 , 124235 , 323011 , 1615055 , 4199143 , 20995715
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
-20995714
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 20995715 can be divided by 12 positive divisors.
The sum of these divisors (counting 20995715) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000101111010000011
3
Ternary
1110111200201002
4
Quaternary
1100011322003
5
Quinary
20333330330
6
Senary
2030002215
8
Octal
120057203
10
Decimal
20995715
12
Duodecimal
704636b
16
Hexadecimal
1405e83
20
Vigesimal
6b495f
36
Base36
ci0eb
md5
3791285d9ba1ba3b0b70840a97188f48
sha1
f1767678bdde9d2551408813a8e449fd2586052b
sha256
39f422a5594d216012d9b2a99b8becf08bf7cb5d0cad60c9bf858e5e232ffe80
sha512
60d6db903a7cd3dbc18d8192afadbd7f6af79fd4ca399e504d5e607b6f7950fb51cd437a0e9b48b388cee44bdbc3961620f224f1f39d978fccef5d79e2ba9aae
ripemd-160
988d690b6e620c52c06500af840b4106d579ee99
Diameter
41991430
Circumference
131919968.00173
Area
1.3848770254867E+15
Volume
3.8768644449556E+22
Surface area
5.5395081019469E+15
Circumference
131919968.00173
Perimeter
83982860
Area
440820048361225
Diagonal
29692424.90472
Surface area
2644920290167350
Volume
9.2553321016785E+21
Space diagonal
36365645.121236
Perimeter
62987145
Area
1.9088068018915E+14
Altitude
18182822.560618
Surface area
1.9088068018915E+14
Volume
1.0907513485384E+21
Height
9897474.9682401