31820642 is an even 8-digits composite number following 31820641
and preceding 31820643 . In scientific notation, it is written as 3.1820642 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 13637412 positive integers (up to 31820642) that are relatively prime to 31820642.
31820642 has 8 divisors, whose sum is 54549696
The reverse of 31820642 is 24602813
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty-one million eight hundred twenty thousand six hundred forty-two
Scientific notation
3.1820642 × 10^7
Engineering notation
3.1820642 × 10^6
Prime Factorization
2 × 7 × 2272903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31820642
Product of the distinct prime numbers
The prime factorization of 31820642 is 2 × 7 × 2272903.
Since it has a total of 3 prime factors.
1 , 3 , 61 , 57 , 405 , 114 , 987 , 8884 , 67338 , 80147 , 945568 , 276369 , 4307777 , 3119549 , 61996190 , 49555559 , 109632245 , 281167369 , 1725652023 , 2275448995
n×2
63641284
n×3
95461926
n×4
127282568
n×5
159103210
n÷2
15910321
n÷3
10606880.666667
n÷3
7955160.5
n÷5
6364128.4
n2
1012553257292164
n3
3.2220094706228E+22
n4
1.025264098853E+30
n5
3.2624561845053E+37
2 √n
5640.978815773
3 √n
316.8859464906
4 √n
75.10644989462
5 √n
31.662251007214
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
-31820641
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 31820642 can be divided by 8 positive divisors.
The sum of these divisors (counting 31820642) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111001011000101101100010
3
Ternary
2012212122201022
4
Quaternary
1321120231202
5
Quinary
31121230032
6
Senary
3054005442
8
Octal
171305542
10
Decimal
31820642
12
Duodecimal
a7a6882
16
Hexadecimal
1e58b62
20
Vigesimal
9ihbc2
36
Base36
iy0yq
md5
c5714234aae9cd3285b04139255424b6
sha1
4f889c6331ad2c7f691ad1a8cafbda7736961632
sha256
0f17e1005f2b2c91ba2b461f07e13ea0d09f9dd97b546d780d062752cf5dde60
sha512
1b5f91c4097217849e06742da046622753e427e8b8ebb09b35f2887921d8af7b0020527d0066ea3c2db0429b85fb220135ad5c493d5ffa5c9d32c56ebe5195bb
ripemd-160
fa1a1f50dee35d1fb5243170b5f8c94889e4343a
Diameter
63641284
Circumference
199934990.27942
Area
3.1810298744775E+15
Volume
1.3496321710274E+23
Surface area
1.272411949791E+16
Circumference
199934990.27942
Perimeter
127282568
Area
1012553257292164
Diagonal
45001183.479819
Surface area
6075319543752984
Volume
3.2220094706228E+22
Space diagonal
55114968.67346
Perimeter
95461926
Area
4.3844842174985E+14
Altitude
27557484.33673
Surface area
4.3844842174985E+14
Volume
3.7971745762077E+21
Height
15000394.493273