31820490 is an even 8-digits composite number following 31820489
and preceding 31820491 . In scientific notation, it is written as 3.1820490 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 7832448 positive integers (up to 31820490) that are relatively prime to 31820490.
31820490 has 32 divisors, whose sum is 68538960
The reverse of 31820490 is 09402813
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty-one million eight hundred twenty thousand four hundred ninety
Scientific notation
3.1820490 × 10^7
Engineering notation
3.1820490 × 10^6
Prime Factorization
2 × 9 × 5 × 13 × 27197
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31820490
Product of the distinct prime numbers
The prime factorization of 31820490 is 2 × 9 × 5 × 13 × 27197.
Since it has a total of 5 prime factors.
3 , 7 , 53 , 71 , 771 , 698 , 8443 , 3072 , 29122 , 74082 , 109020 , 176712 , 5238526 , 5787240 , 9812894 , 58598845 , 254966102 , 881656447 , 3990580836 , 8076170929
n×2
63640980
n×3
95461470
n×4
127281960
n×5
159102450
n÷2
15910245
n÷3
10606830
n÷3
7955122.5
n÷5
6364098
n2
1012543583840100
n3
3.2219632984148E+22
n4
1.0252445091758E+30
n5
3.2623782651782E+37
2 √n
5640.9653429178
3 √n
316.88544192567
4 √n
75.106360202834
5 √n
31.662220758476
1 , 2 , 5 , 9 , 10 , 13 , 18 , 26 , 45 , 65 , 90 , 117 , 130 , 234 , 585 , 1170 , 27197 , 54394 , 135985 , 244773 , 271970 , 353561 , 489546 , 707122 , 1223865 , 1767805 , 2447730 , 3182049 , 3535610 , 6364098 , 15910245 , 31820490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31820489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31820490 can be divided by 32 positive divisors.
The sum of these divisors (counting 31820490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1111001011000101011001010
3
Ternary
2012212122111200
4
Quaternary
1321120223022
5
Quinary
31121223430
6
Senary
3054005030
8
Octal
171305312
10
Decimal
31820490
12
Duodecimal
a7a6776
16
Hexadecimal
1e58aca
20
Vigesimal
9ihb4a
36
Base36
iy0ui
md5
dec9bea7d968dff8355d848885a4b8cd
sha1
2c5af223c989ed9505f381c910fbee1b37c1e374
sha256
d00893bfaeabe3e353d4c842663a98e213bddd172f8e45b7902534df2ce202aa
sha512
97a5616d2fc8a8d73fbaabe418e87af70f57a88e4e400c7a094f16f03b8bf23d1c6497368f90dc860dec83dc9cf1d75979b6c523c7fd7b6361a234ec7f342ab1
ripemd-160
ec4c4e1297129698549761179d911615ce62376d
Diameter
63640980
Circumference
199934035.23525
Area
3.1809994844315E+15
Volume
1.3496128304581E+23
Surface area
1.2723997937726E+16
Circumference
199934035.23525
Perimeter
127281960
Area
1012543583840100
Diagonal
45000968.519357
Surface area
6075261503040600
Volume
3.2219632984148E+22
Space diagonal
55114705.401737
Perimeter
95461470
Area
4.3844423302223E+14
Altitude
27557352.700869
Surface area
4.3844423302223E+14
Volume
3.7971201617388E+21
Height
15000322.839786