31989469 is an odd 8-digits composite number following 31989468
and preceding 31989470 . In scientific notation, it is written as 3.1989469 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 31011360 positive integers (up to 31989469) that are relatively prime to 31989469.
31989469 has 8 divisors, whose sum is 32980608
The reverse of 31989469 is 96498913
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
thirty-one million nine hundred eighty-nine thousand four hundred sixty-nine
Scientific notation
3.1989469 × 10^7
Engineering notation
3.1989469 × 10^6
Prime Factorization
47 × 107 × 6361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31989469
Product of the distinct prime numbers
The prime factorization of 31989469 is 47 × 107 × 6361.
Since it has a total of 3 prime factors.
3 , 7 , 23 , 42 , 771 , 722 , 9473 , 1621 , 45646 , 71135 , 988567 , 213966 , 8895165 , 5509911 , 27437598 , 9858867 , 91617388 , 348617514 , 9163369436 , 1412116147
n×2
63978938
n×3
95968407
n×4
127957876
n×5
159947345
n÷2
15994734.5
n÷3
10663156.333333
n÷3
7997367.25
n÷5
6397893.8
n2
1023326126901961
n3
3.273565941342E+22
n4
1.0471963620002E+30
n5
3.3499255559117E+37
2 √n
5655.9233552091
3 √n
317.44537965484
4 √n
75.205873143054
5 √n
31.695777260755
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
-31989468
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 31989469 can be divided by 8 positive divisors.
The sum of these divisors (counting 31989469) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111010000001111011011101
3
Ternary
2020012020022011
4
Quaternary
1322001323131
5
Quinary
31142130334
6
Senary
3101351221
8
Octal
172017335
10
Decimal
31989469
12
Duodecimal
a868511
16
Hexadecimal
1e81edd
20
Vigesimal
9jidd9
36
Base36
j1n8d
md5
c945575c018fd4cacc9c3e1b710e4aa9
sha1
1d35cea30aa4aefb4618adf5511198724db53761
sha256
b199dc601fd810cfbaa55eb4f9f7dce1a172aa1407c74612b72c8aa6e1583543
sha512
e74271a6146fc9e4c9cea522073f32fe7d641fd7e9d8c58d040881421fad886c67fbfe20f2deb6a47a1c286b85700e651b6ae5334b1fb554bcc3946d8bdcfd03
ripemd-160
0648f9ae48189c05bcda7e5f7b695f0ddd3a14a4
Diameter
63978938
Circumference
200995761.60528
Area
3.2148738425017E+15
Volume
1.3712280949816E+23
Surface area
1.2859495370007E+16
Circumference
200995761.60528
Perimeter
127957876
Area
1023326126901961
Diagonal
45239940.912914
Surface area
6139956761411766
Volume
3.273565941342E+22
Space diagonal
55407385.61515
Perimeter
95968407
Area
4.4311321112672E+14
Altitude
27703692.807575
Surface area
4.4311321112672E+14
Volume
3.8579344596405E+21
Height
15079980.304305