31304989 is an odd 8-digits composite number following 31304988
and preceding 31304990 . In scientific notation, it is written as 3.1304989 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 28966896 positive integers (up to 31304989) that are relatively prime to 31304989.
31304989 has 8 divisors, whose sum is 33719840
The reverse of 31304989 is 98940313
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million three hundred four thousand nine hundred eighty-nine
Scientific notation
3.1304989 × 10^7
Engineering notation
3.1304989 × 10^6
Prime Factorization
43 × 19 × 38317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31304989
Product of the distinct prime numbers
The prime factorization of 31304989 is 43 × 19 × 38317.
Since it has a total of 3 prime factors.
1 , 3 , 46 , 38 , 980 , 822 , 7273 , 8569 , 97671 , 19799 , 684747 , 779526 , 1231355 , 7006209 , 18506282 , 13829090 , 59908983 , 39505362 , 287721824 , 7178023144
n×2
62609978
n×3
93914967
n×4
125219956
n×5
156524945
n÷2
15652494.5
n÷3
10434996.333333
n÷3
7826247.25
n÷5
6260997.8
n2
980002336290121
n3
3.0678962357537E+22
n4
9.604045791341E+29
n5
3.0065454785342E+37
2 √n
5595.0861476835
3 √n
315.16490567665
4 √n
74.800308473184
5 √n
31.558962045856
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
-31304988
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 31304989 can be divided by 8 positive divisors.
The sum of these divisors (counting 31304989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111011010110100011101
3
Ternary
2011220110101001
4
Quaternary
1313122310131
5
Quinary
31003224424
6
Senary
3034550301
8
Octal
167326435
10
Decimal
31304989
12
Duodecimal
a598391
16
Hexadecimal
1ddad1d
20
Vigesimal
9fd299
36
Base36
imz31
md5
116269051237ba1cf2a063bd3782039a
sha1
3da4cb6d66ece796af19149ef1bc7a1f70988f1a
sha256
43e682cb4b6871ed61bbb05470b59387661baaa566f94d82ca0be34cf9496b56
sha512
42ee35f906364abaa0a32fb37a41480ec5910244c85139f8ab1a391ff8986b62744e1d6c21634b47c1c5fd38db3b1846788e6b7f49ad2740323aa99d81d0e2e0
ripemd-160
e0bc2b324d75e13f0c64eee046ff0065a9ba351a
Diameter
62609978
Circumference
196695046.92622
Area
3.0787681401899E+15
Volume
1.2850773701626E+23
Surface area
1.231507256076E+16
Circumference
196695046.92622
Perimeter
125219956
Area
980002336290121
Diagonal
44271940.013741
Surface area
5880014017740726
Volume
3.0678962357537E+22
Space diagonal
54221831.478385
Perimeter
93914967
Area
4.2435345949767E+14
Altitude
27110915.739192
Surface area
4.2435345949767E+14
Volume
3.6155503871302E+21
Height
14757313.337914