31505428 is an even 8-digits composite number following 31505427
and preceding 31505429 . In scientific notation, it is written as 3.1505428 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors.
There are 15752712 positive integers (up to 31505428) that are relatively prime to 31505428.
31505428 has 6 divisors, whose sum is 55134506
The reverse of 31505428 is 82450513
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million five hundred five thousand four hundred twenty-eight
Scientific notation
3.1505428 × 10^7
Engineering notation
3.1505428 × 10^6
Prime Factorization
2 × 2 × 7876357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15752714
Product of the distinct prime numbers
The prime factorization of 31505428 is 2 × 2 × 7876357.
Since it has a total of 3 prime factors.
2 , 1 , 1 , 66 , 177 , 438 , 428 , 2641 , 72724 , 35359 , 106971 , 491230 , 287174 , 4330008 , 86165383 , 43512591 , 792953344 , 833394525 , 7181830423 , 1391039161
n×2
63010856
n×3
94516284
n×4
126021712
n×5
157527140
n÷2
15752714
n÷3
10501809.333333
n÷3
7876357
n÷5
6301085.6
n2
992591993463184
n3
3.1272035583431E+22
n4
9.8523886548722E+29
n5
3.1040372139409E+37
2 √n
5612.9696240047
3 √n
315.83611915836
4 √n
74.919754564499
5 √n
31.599271966171
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31505427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31505428 can be divided by 6 positive divisors.
The sum of these divisors (counting 31505428) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1111000001011110000010100
3
Ternary
2012021122022201
4
Quaternary
1320023300110
5
Quinary
31031133203
6
Senary
3043134244
8
Octal
170136024
10
Decimal
31505428
12
Duodecimal
a674384
16
Hexadecimal
1e0bc14
20
Vigesimal
9gi3b8
36
Base36
ir9qs
md5
dbc54124f7a1741aa8cbd38cb2640b04
sha1
a9e2e64b109bb2e9587d9f215880632d61a52228
sha256
a936186018aaab0154b371b7682eed462cbba054088ad98ef000e232d7f1e488
sha512
eca8e1d855f163e841d9b406d2eb2ace0d5f1992f822137a04b7551c1d391f5744d3d8a9b739648b439c5a7b6096365a137c0bd6fb761d809b7fc7333f3fb0f5
ripemd-160
2e18836a8a6dfc26d82f73b6f334b12e04dc4aed
Diameter
63010856
Circumference
197954442.306
Area
3.118319714676E+15
Volume
1.3099199633561E+23
Surface area
1.2473278858704E+16
Circumference
197954442.306
Perimeter
126021712
Area
992591993463184
Diagonal
44555403.565969
Surface area
5955551960779104
Volume
3.1272035583431E+22
Space diagonal
54569002.010203
Perimeter
94516284
Area
4.2980494096608E+14
Altitude
27284501.005102
Surface area
4.2980494096608E+14
Volume
3.6854447370918E+21
Height
14851801.188656