20152155 is an odd 8-digits composite number following 20152154
and preceding 20152156 . In scientific notation, it is written as 2.0152155 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 10747808 positive integers (up to 20152155) that are relatively prime to 20152155.
20152155 has 4 divisors, whose sum is 21495648
The reverse of 20152155 is 55125102
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred fifty-two thousand one hundred fifty-five
Scientific notation
2.0152155 × 10^7
Engineering notation
2.0152155 × 10^6
Prime Factorization
15 × 1343477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20152155
Product of the distinct prime numbers
The prime factorization of 20152155 is 15 × 1343477.
Since it has a total of 2 prime factors.
4 , 6 , 22 , 81 , 685 , 971 , 8705 , 6253 , 66716 , 56396 , 287038 , 750489 , 6559252 , 828796 , 16064967 , 59712166 , 619113673 , 237642881 , 1372128276 , 6372623917
n×2
40304310
n×3
60456465
n×4
80608620
n×5
100760775
n÷2
10076077.5
n÷3
6717385
n÷3
5038038.75
n÷5
4030431
n2
406109351144025
n3
8.1839785912038E+21
n4
1.6492480508662E+29
n5
3.3235902354504E+36
2 √n
4489.1151689392
3 √n
272.12837707997
4 √n
67.000859464183
5 √n
28.897767924979
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
-20152154
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 20152155 can be divided by 4 positive divisors.
The sum of these divisors (counting 20152155) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111111101011011
3
Ternary
1101220211120010
4
Quaternary
1030313331123
5
Quinary
20124332110
6
Senary
1555533003
8
Octal
114677533
10
Decimal
20152155
12
Duodecimal
68ba163
16
Hexadecimal
1337f5b
20
Vigesimal
65j07f
36
Base36
bzxi3
md5
f683404ca39acda4a1277ced0d6dff20
sha1
10ab04e4d575aeddc9299c13566095547eb00368
sha256
a75c967cdf41bfc1b0a786c080b455c13227516ed66f5e821cee1202854884f2
sha512
157294df07228e9707155c95d703daa4cba4936fdff71a740f2d8e6d6ebe70f15a949fb2502a095a75ba295ea90e597bcd5af5aaad6cc4965e573967b881ff24
ripemd-160
c91d292fbe6262f01e89f690fb0c1519cb8c6086
Diameter
40304310
Circumference
126619724.20401
Area
1.2758301541082E+15
Volume
3.4280969359016E+22
Surface area
5.1033206164327E+15
Circumference
126619724.20401
Perimeter
80608620
Area
406109351144025
Diagonal
28499450.912045
Surface area
2436656106864150
Volume
8.1839785912038E+21
Space diagonal
34904556.342003
Perimeter
60456465
Area
1.7585050740257E+14
Altitude
17452278.171002
Surface area
1.7585050740257E+14
Volume
9.6449112648762E+20
Height
9499816.9706816