31190728 is an even 8-digits composite number following 31190727
and preceding 31190729 . In scientific notation, it is written as 3.1190728 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 15595360 positive integers (up to 31190728) that are relatively prime to 31190728.
31190728 has 8 divisors, whose sum is 58482630
The reverse of 31190728 is 82709113
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million one hundred ninety thousand seven hundred twenty-eight
Scientific notation
3.1190728 × 10^7
Engineering notation
3.1190728 × 10^6
Prime Factorization
2 × 2 × 2 × 3898841
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7797682
Product of the distinct prime numbers
The prime factorization of 31190728 is 2 × 2 × 2 × 3898841.
Since it has a total of 4 prime factors.
2 , 6 , 71 , 82 , 743 , 472 , 7337 , 4024 , 44065 , 38331 , 819744 , 687561 , 2925635 , 9183734 , 36077048 , 83044744 , 575226988 , 749199006 , 8228326773 , 2552953563
n×2
62381456
n×3
93572184
n×4
124762912
n×5
155953640
n÷2
15595364
n÷3
10396909.333333
n÷3
7797682
n÷5
6238145.6
n2
972861513169984
n3
3.0344258838953E+22
n4
9.4645952380739E+29
n5
2.9520761570086E+37
2 √n
5584.8659786964
3 √n
314.78099499551
4 √n
74.731960891551
5 √n
31.535890741031
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
-31190727
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 31190728 can be divided by 8 positive divisors.
The sum of these divisors (counting 31190728) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110111110111011001000
3
Ternary
2011200122122011
4
Quaternary
1312332323020
5
Quinary
30441100403
6
Senary
3032305304
8
Octal
166767310
10
Decimal
31190728
12
Duodecimal
a542234
16
Hexadecimal
1dbeec8
20
Vigesimal
9eigg8
36
Base36
ikix4
md5
1b4d85a886c14c00d02e8f119dc66479
sha1
1e511ce7e572451257bf5dad47b92eebd6c71709
sha256
eae10dff246edd9920d157d90b3fa830cd57462228eb75a5d6d20df5a284131b
sha512
700d0f3dd6bbcae19dda118c765418e40d1dd5b7bf5e7f48b1eda498bd41241fddadf7ba0458364c8d6f5ffec399dcaaa66832c332dba55aaf12b0236bb5e340
ripemd-160
bc1c421412e4e728540ece356f34a9eb9377fc7b
Diameter
62381456
Circumference
195977123.88983
Area
3.0563345827351E+15
Volume
1.2710573419611E+23
Surface area
1.222533833094E+16
Circumference
195977123.88983
Perimeter
124762912
Area
972861513169984
Diagonal
44110350.55789
Surface area
5837169079019904
Volume
3.0344258838953E+22
Space diagonal
54023925.621061
Perimeter
93572184
Area
4.2126139238469E+14
Altitude
27011962.810531
Surface area
4.2126139238469E+14
Volume
3.576105199184E+21
Height
14703450.185963