31491344 is an even 8-digits composite number following 31491343
and preceding 31491345 . In scientific notation, it is written as 3.1491344 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 14819328 positive integers (up to 31491344) that are relatively prime to 31491344.
31491344 has 20 divisors, whose sum is 64604124
The reverse of 31491344 is 44319413
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million four hundred ninety-one thousand three hundred forty-four
Scientific notation
3.1491344 × 10^7
Engineering notation
3.1491344 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 115777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3936418
Product of the distinct prime numbers
The prime factorization of 31491344 is 2 × 2 × 2 × 2 × 17 × 115777.
Since it has a total of 6 prime factors.
9 , 3 , 100 , 98 , 638 , 126 , 6656 , 1778 , 48694 , 73806 , 610655 , 329798 , 4129743 , 5313795 , 11053867 , 81471925 , 692974830 , 944807521 , 9021814534 , 3440608343
n×2
62982688
n×3
94474032
n×4
125965376
n×5
157456720
n÷2
15745672
n÷3
10497114.666667
n÷3
7872836
n÷5
6298268.8
n2
991704746926336
n3
3.123011533189E+22
n4
9.8347830507623E+29
n5
3.0971053621692E+37
2 √n
5611.7148894077
3 √n
315.78904897409
4 √n
74.911380239638
5 √n
31.596446270563
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 115777 , 231554 , 463108 , 926216 , 1852432 , 1968209 , 3936418 , 7872836 , 15745672 , 31491344
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31491343
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31491344 can be divided by 20 positive divisors.
The sum of these divisors (counting 31491344) is 1, the average is 0.05.
Base
System
Value
2
Binary
1111000001000010100010000
3
Ternary
2012020221000002
4
Quaternary
1320020110100
5
Quinary
31030210334
6
Senary
3042545132
8
Octal
170102420
10
Decimal
31491344
12
Duodecimal
a6681a8
16
Hexadecimal
1e08510
20
Vigesimal
9gg874
36
Base36
iqyvk
md5
464c58e86e1e48f01a7e4f8aa0f7ead7
sha1
898f7c767f123432d2fd475ef6f602a1066697a1
sha256
ae901df5c4eeb7547b00430edc316d5f647edf4db39048c4e505ab7b8b8a17ab
sha512
0c744d39bfa3830bcf02f363a90ef093645f527ad43c7db8aa2039bf059c2f469a50b6c4903ad1e294965fc824c0756465c86886703e5b883e35b72af40708b2
ripemd-160
df0d7b65511708bd6dc4836e7e8de9d8269b346b
Diameter
62982688
Circumference
197865949.92414
Area
3.1155323474739E+15
Volume
1.3081640119657E+23
Surface area
1.2462129389896E+16
Circumference
197865949.92414
Perimeter
125965376
Area
991704746926336
Diagonal
44535485.782157
Surface area
5950228481558016
Volume
3.123011533189E+22
Space diagonal
54544607.806629
Perimeter
94474032
Area
4.2942075194591E+14
Altitude
27272303.903315
Surface area
4.2942075194591E+14
Volume
3.6805043880696E+21
Height
14845161.927386