20115902 is an even 8-digits composite number following 20115901
and preceding 20115903 . In scientific notation, it is written as 2.0115902 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 10057950 positive integers (up to 20115902) that are relatively prime to 20115902.
20115902 has 4 divisors, whose sum is 30173856
The reverse of 20115902 is 20951102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred fifteen thousand nine hundred two
Scientific notation
2.0115902 × 10^7
Engineering notation
2.0115902 × 10^6
Prime Factorization
2 × 10057951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20115902
Product of the distinct prime numbers
The prime factorization of 20115902 is 2 × 10057951.
Since it has a total of 2 prime factors.
3 , 8 , 47 , 53 , 876 , 379 , 1353 , 2867 , 61170 , 14576 , 761344 , 28392 , 7111233 , 8299768 , 25159099 , 86408577 , 26942286 , 177198616 , 6788171597 , 2882569951
n×2
40231804
n×3
60347706
n×4
80463608
n×5
100579510
n÷2
10057951
n÷3
6705300.6666667
n÷3
5028975.5
n÷5
4023180.4
n2
404649513273604
n3
8.1398899533595E+21
n4
1.6374122859256E+29
n5
3.2938025077276E+36
2 √n
4485.0754731665
3 √n
271.96509608349
4 √n
66.970706082335
5 √n
28.887363226769
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
-20115901
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 20115902 can be divided by 4 positive divisors.
The sum of these divisors (counting 20115902) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101111000110111110
3
Ternary
1101211222211102
4
Quaternary
1030233012332
5
Quinary
20122202102
6
Senary
1555053102
8
Octal
114570676
10
Decimal
20115902
12
Duodecimal
68a1192
16
Hexadecimal
132f1be
20
Vigesimal
65e9f2
36
Base36
bz5j2
md5
1e06006e1f2ca4c776421496fa5a79cc
sha1
2a3f39f1aa3bbf53ed96ccc517b2a6d925587b6a
sha256
a3f4655f3d79005f3be03557a48b297be6b3b2224a5065ee927386f3095e86d5
sha512
aa1ae05665fdcfd88361ff4e44f1364f3332f699478c2fe94686ffc9d41aba5c55c756f277482af53c0c18ef2b762a8ecfae91120030bc2b93248d40e3e08c88
ripemd-160
88855674f3cedf713d2734ae59242f0797f14189
Diameter
40231804
Circumference
126391939.88706
Area
1.271243938179E+15
Volume
3.4096291304671E+22
Surface area
5.0849757527162E+15
Circumference
126391939.88706
Perimeter
80463608
Area
404649513273604
Diagonal
28448181.427768
Surface area
2427897079641624
Volume
8.1398899533595E+21
Space diagonal
34841764.304076
Perimeter
60347706
Area
1.7521837906197E+14
Altitude
17420882.152038
Surface area
1.7521837906197E+14
Volume
9.5929523068879E+20
Height
9482727.1425894