20018902 is an even 8-digits composite number following 20018901
and preceding 20018903 . In scientific notation, it is written as 2.0018902 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 10002504 positive integers (up to 20018902) that are relatively prime to 20018902.
20018902 has 8 divisors, whose sum is 30049200
The reverse of 20018902 is 20981002
Previous prime number is 2039
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million eighteen thousand nine hundred two
Scientific notation
2.0018902 × 10^7
Engineering notation
2.0018902 × 10^6
Prime Factorization
2 × 2039 × 4909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20018902
Product of the distinct prime numbers
The prime factorization of 20018902 is 2 × 2039 × 4909.
Since it has a total of 3 prime factors.
2 , 6 , 59 , 55 , 211 , 766 , 3967 , 4777 , 85033 , 48612 , 40017 , 193197 , 8787807 , 3417048 , 12317848 , 20322470 , 32118233 , 94388242 , 9478690084 , 2035430344
n×2
40037804
n×3
60056706
n×4
80075608
n×5
100094510
n÷2
10009451
n÷3
6672967.3333333
n÷3
5004725.5
n÷5
4003780.4
n2
400756437285604
n3
8.0227038438897E+21
n4
1.6060572202585E+29
n5
3.2151502098747E+36
2 √n
4474.2487637591
3 √n
271.5272479371
4 √n
66.889825562331
5 √n
28.859450040213
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20018901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20018902 can be divided by 8 positive divisors.
The sum of these divisors (counting 20018902) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010111011011010110
3
Ternary
1101200001202211
4
Quaternary
1030113123112
5
Quinary
20111101102
6
Senary
1553024034
8
Octal
114273326
10
Decimal
20018902
12
Duodecimal
685501a
16
Hexadecimal
13176d6
20
Vigesimal
652752
36
Base36
bx2om
md5
4c50146ab3ad1443ed5a599e7406eed6
sha1
b7c7980c9830dafffbd09bdb533dacea98291c59
sha256
9f25112bb6a1dbf6f8724dc0faa87693266ad1d22ee8a3df418d9f790df6bbf6
sha512
c7baff903d3fdb6407491dd5878caa97c121a420adea17271e7ff068163657c2fb9a75f0fd0f7546e2560ca4422c78e686ef3ac4c0a7ab91a928e8ad9d755ee1
ripemd-160
3dedc6aa7a1f2c7794ce5827b0529ccb8f107e28
Diameter
40037804
Circumference
125782470.91227
Area
1.2590134792553E+15
Volume
3.3605423277187E+22
Surface area
5.0360539170211E+15
Circumference
125782470.91227
Perimeter
80075608
Area
400756437285604
Diagonal
28311002.712218
Surface area
2404538623713624
Volume
8.0227038438897E+21
Space diagonal
34673755.375742
Perimeter
60056706
Area
1.7353262770974E+14
Altitude
17336877.687871
Surface area
1.7353262770974E+14
Volume
9.4548471524429E+20
Height
9437000.9040726