31902020 is an even 8-digits composite number following 31902019
and preceding 31902021 . In scientific notation, it is written as 3.1902020 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors.
There are 12760800 positive integers (up to 31902020) that are relatively prime to 31902020.
31902020 has 12 divisors, whose sum is 66994284
The reverse of 31902020 is 02020913
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
thirty-one million nine hundred two thousand twenty
Scientific notation
3.1902020 × 10^7
Engineering notation
3.1902020 × 10^6
Prime Factorization
2 × 2 × 5 × 1595101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15951010
Product of the distinct prime numbers
The prime factorization of 31902020 is 2 × 2 × 5 × 1595101.
Since it has a total of 4 prime factors.
8 , 10 , 48 , 98 , 770 , 514 , 8674 , 5382 , 27893 , 8437 , 43222 , 318786 , 551034 , 9494239 , 2516432 , 61329272 , 873589979 , 614642541 , 1630341268 , 4263322915
n×2
63804040
n×3
95706060
n×4
127608080
n×5
159510100
n÷2
15951010
n÷3
10634006.666667
n÷3
7975505
n÷5
6380404
n2
1017738880080400
n3
3.2467926107103E+22
n4
1.0357924280273E+30
n5
3.3043870754776E+37
2 √n
5648.1873198399
3 √n
317.15585087888
4 √n
75.154423155526
5 √n
31.678429052482
1 , 2 , 4 , 5 , 10 , 20 , 1595101 , 3190202 , 6380404 , 7975505 , 15951010 , 31902020
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
-31902019
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 31902020 can be divided by 12 positive divisors.
The sum of these divisors (counting 31902020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111001101100100101000100
3
Ternary
2020000210100022
4
Quaternary
1321230211010
5
Quinary
31131331040
6
Senary
3055434312
8
Octal
171544504
10
Decimal
31902020
12
Duodecimal
a825998
16
Hexadecimal
1e6c944
20
Vigesimal
9j7f10
36
Base36
izrr8
md5
e2697c7bd284b0cf46df15d73b1ac4bc
sha1
b5b2f284ed95cb578c70554d30ff10f81ab0271c
sha256
ea2b8ff6e7cdf5087bf0d7caadc90e9c1bc9030c7ee915db4ee8007e6064f1a2
sha512
912a35da847536b02000b4c349f1f1cd55eca3e84fc55b479591a57e39d4fa5ee732dc124e17dbc36fb713524ba955107d576b2aff7fa827a06db19b8d53ec98
ripemd-160
47992fcb3c33ea5c313c40a2a17240183d118153
Diameter
63804040
Circumference
200446303.33335
Area
3.1973209889333E+15
Volume
1.3600133084716E+23
Surface area
1.2789283955733E+16
Circumference
200446303.33335
Perimeter
127608080
Area
1017738880080400
Diagonal
45116269.351098
Surface area
6106433280482400
Volume
3.2467926107103E+22
Space diagonal
55255919.504078
Perimeter
95706060
Area
4.4069386228438E+14
Altitude
27627959.752039
Surface area
4.4069386228438E+14
Volume
3.8263817868993E+21
Height
15038756.450366