31508968 is an even 8-digits composite number following 31508967
and preceding 31508969 . In scientific notation, it is written as 3.1508968 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 15673728 positive integers (up to 31508968) that are relatively prime to 31508968.
31508968 has 16 divisors, whose sum is 59382180
The reverse of 31508968 is 86980513
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
thirty-one million five hundred eight thousand nine hundred sixty-eight
Scientific notation
3.1508968 × 10^7
Engineering notation
3.1508968 × 10^6
Prime Factorization
2 × 2 × 2 × 197 × 19993
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7877242
Product of the distinct prime numbers
The prime factorization of 31508968 is 2 × 2 × 2 × 197 × 19993.
Since it has a total of 5 prime factors.
7 , 4 , 63 , 63 , 900 , 955 , 3420 , 1473 , 2820 , 15823 , 36354 , 818273 , 9444189 , 5916367 , 51117762 , 41251757 , 59925872 , 530853662 , 9322402432 , 1194733638
n×2
63017936
n×3
94526904
n×4
126035872
n×5
157544840
n÷2
15754484
n÷3
10502989.333333
n÷3
7877242
n÷5
6301793.6
n2
992815064425024
n3
3.1282578094886E+22
n4
9.8568175214926E+29
n5
3.1057814786655E+37
2 √n
5613.2849562444
3 √n
315.84794799823
4 √n
74.921859001525
5 √n
31.599982043149
1 , 2 , 4 , 8 , 197 , 394 , 788 , 1576 , 19993 , 39986 , 79972 , 159944 , 3938621 , 7877242 , 15754484 , 31508968
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31508967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31508968 can be divided by 16 positive divisors.
The sum of these divisors (counting 31508968) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001100100111101000
3
Ternary
2012021211011211
4
Quaternary
1320030213220
5
Quinary
31031241333
6
Senary
3043202504
8
Octal
170144750
10
Decimal
31508968
12
Duodecimal
a676434
16
Hexadecimal
1e0c9e8
20
Vigesimal
9gic88
36
Base36
irch4
md5
ac4f90ba50224573bd1e8316be2f3f69
sha1
5d4ef3b2d87e8051bacc832100418f5792d99d6c
sha256
837bc4f3f04ce8774bd0322bd2536032da869d948afce5403d23fdb055c8bb64
sha512
e2ce56ffebb98dd7ff1692fc302d0dceac1823378371d8255320993d45348f5ef87c6a23012d763ed696d5b68be64df856f1c0ab591c018943c85787434997ed
ripemd-160
4a3a4bce8f269748c643b8f5e752b3937528c8a4
Diameter
63017936
Circumference
197976684.78199
Area
3.1190205127709E+15
Volume
1.3103615670432E+23
Surface area
1.2476082051084E+16
Circumference
197976684.78199
Perimeter
126035872
Area
992815064425024
Diagonal
44560409.88198
Surface area
5956890386550144
Volume
3.1282578094886E+22
Space diagonal
54575133.470062
Perimeter
94526904
Area
4.2990153352598E+14
Altitude
27287566.735031
Surface area
4.2990153352598E+14
Volume
3.6866871839819E+21
Height
14853469.96066