31239968 is an even 8-digits composite number following 31239967
and preceding 31239969 . In scientific notation, it is written as 3.1239968 × 10^7.
The sum of its digits is 41. It has a total of 7 prime factors and 24 positive divisors.
There are 15494976 positive integers (up to 31239968) that are relatively prime to 31239968.
31239968 has 24 divisors, whose sum is 61996032
The reverse of 31239968 is 86993213
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirty-one million two hundred thirty-nine thousand nine hundred sixty-eight
Scientific notation
3.1239968 × 10^7
Engineering notation
3.1239968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 127 × 7687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1952498
Product of the distinct prime numbers
The prime factorization of 31239968 is 2 × 2 × 2 × 2 × 2 × 127 × 7687.
Since it has a total of 7 prime factors.
10 , 8 , 82 , 28 , 99 , 221 , 5725 , 3603 , 13238 , 89188 , 372075 , 937175 , 1122086 , 3387811 , 34677351 , 36316077 , 686240389 , 785723269 , 6985572619 , 2931813536
n×2
62479936
n×3
93719904
n×4
124959872
n×5
156199840
n÷2
15619984
n÷3
10413322.666667
n÷3
7809992
n÷5
6247993.6
n2
975935600641024
n3
3.0488196934086E+22
n4
9.5245029659856E+29
n5
2.9754516787329E+37
2 √n
5589.272582367
3 √n
314.9465534584
4 √n
74.761437802968
5 √n
31.545841439357
1 , 2 , 4 , 8 , 16 , 32 , 127 , 254 , 508 , 1016 , 2032 , 4064 , 7687 , 15374 , 30748 , 61496 , 122992 , 245984 , 976249 , 1952498 , 3904996 , 7809992 , 15619984 , 31239968
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31239967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31239968 can be divided by 24 positive divisors.
The sum of these divisors (counting 31239968) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111001010111100100000
3
Ternary
2011210011011212
4
Quaternary
1313022330200
5
Quinary
30444134333
6
Senary
3033325252
8
Octal
167127440
10
Decimal
31239968
12
Duodecimal
a566828
16
Hexadecimal
1dcaf20
20
Vigesimal
9f4ji8
36
Base36
ilkww
md5
a04b9ca45f41cc0f58582b572cec4ae4
sha1
ef9425243084e1183465a8634de81835853018a3
sha256
904e23d3b0e443af9b0feb2f6e10997faa0fa021971836fe0ff199a124a3c6b5
sha512
06743b646fbffca6057cc7925c0d3f03ec54c9de5ceea6776319dfce113c3918444aa9e958e4d69f1a44b141b9eb6febd2581e3c040b4dfb5ea6425d28ecde3e
ripemd-160
2a26e06c652da2beefec5b1edb8f5dfdbf5cdeb2
Diameter
62479936
Circumference
196286507.93436
Area
3.0659921133506E+15
Volume
1.277086606791E+23
Surface area
1.2263968453402E+16
Circumference
196286507.93436
Perimeter
124959872
Area
975935600641024
Diagonal
44179986.433701
Surface area
5855613603846144
Volume
3.0488196934086E+22
Space diagonal
54109211.802826
Perimeter
93719904
Area
4.2259251130638E+14
Altitude
27054605.901413
Surface area
4.2259251130638E+14
Volume
3.5930684663739E+21
Height
14726662.144567