20102155 is an odd 8-digits composite number following 20102154
and preceding 20102156 . In scientific notation, it is written as 2.0102155 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 16081720 positive integers (up to 20102155) that are relatively prime to 20102155.
20102155 has 4 divisors, whose sum is 24122592
The reverse of 20102155 is 55120102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred two thousand one hundred fifty-five
Scientific notation
2.0102155 × 10^7
Engineering notation
2.0102155 × 10^6
Prime Factorization
5 × 4020431
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20102155
Product of the distinct prime numbers
The prime factorization of 20102155 is 5 × 4020431.
Since it has a total of 2 prime factors.
10 , 2 , 80 , 23 , 102 , 997 , 8371 , 550 , 58190 , 79910 , 645153 , 403737 , 5837052 , 1092895 , 25198629 , 58953439 , 235746122 , 462373815 , 7802774221 , 6470404056
n×2
40204310
n×3
60306465
n×4
80408620
n×5
100510775
n÷2
10051077.5
n÷3
6700718.3333333
n÷3
5025538.75
n÷5
4020431
n2
404096635644025
n3
8.1232132046947E+21
n4
1.6329409093882E+29
n5
3.2825631266363E+36
2 √n
4483.5426840836
3 √n
271.90312925143
4 √n
66.959261376479
5 √n
28.883413881813
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
-20102154
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 20102155 can be divided by 4 positive divisors.
The sum of these divisors (counting 20102155) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101011110000001011
3
Ternary
1101211021222021
4
Quaternary
1030223300023
5
Quinary
20121232110
6
Senary
1554505311
8
Octal
114536013
10
Decimal
20102155
12
Duodecimal
6895237
16
Hexadecimal
132bc0b
20
Vigesimal
65cf7f
36
Base36
byux7
md5
b2429bd36346340f9142f02312a4d57c
sha1
e1ddaf5b2d5f7e26e1f09e9342dea8d39791e5f1
sha256
db6c6a403ac3c42bcbef3c93f070086e3f0e2c2fccad963100441e354a0280de
sha512
54c03609f23661ecc1968c885f5956cf997ee733208f2e86174d714a8863e8a8579c8427a4d047cbb5c5b711d8250b663da228e47d34be461753f14252e9e17a
ripemd-160
7350e94251e1d947b56bfbe9936b73f2a53c8c23
Diameter
40204310
Circumference
126305564.93865
Area
1.2695070218796E+15
Volume
3.4026435903217E+22
Surface area
5.0780280875185E+15
Circumference
126305564.93865
Perimeter
80408620
Area
404096635644025
Diagonal
28428740.233926
Surface area
2424579813864150
Volume
8.1232132046947E+21
Space diagonal
34817953.801625
Perimeter
60306465
Area
1.7497897602577E+14
Altitude
17408976.900812
Surface area
1.7497897602577E+14
Volume
9.5732985701062E+20
Height
9476246.744642