31479989 is an odd 8-digits composite number following 31479988
and preceding 31479990 . In scientific notation, it is written as 3.1479989 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 30810156 positive integers (up to 31479989) that are relatively prime to 31479989.
31479989 has 4 divisors, whose sum is 32149824
The reverse of 31479989 is 98997413
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
thirty-one million four hundred seventy-nine thousand nine hundred eighty-nine
Scientific notation
3.1479989 × 10^7
Engineering notation
3.1479989 × 10^6
Prime Factorization
47 × 669787
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31479989
Product of the distinct prime numbers
The prime factorization of 31479989 is 47 × 669787.
Since it has a total of 2 prime factors.
6 , 8 , 14 , 63 , 745 , 168 , 9325 , 315 , 35112 , 3764 , 413501 , 635461 , 6117288 , 1528817 , 55640378 , 82207137 , 742908461 , 682799613 , 5633643434 , 3840156500
n×2
62959978
n×3
94439967
n×4
125919956
n×5
157399945
n÷2
15739994.5
n÷3
10493329.666667
n÷3
7869997.25
n÷5
6295997.8
n2
990989707440121
n3
3.1196345089328E+22
n4
9.8206060025226E+29
n5
3.0915256893274E+37
2 √n
5610.703075373
3 √n
315.75108917028
4 √n
74.904626528493
5 √n
31.594167362396
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31479988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31479989 can be divided by 4 positive divisors.
The sum of these divisors (counting 31479989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000000101100010110101
3
Ternary
2012020100102112
4
Quaternary
1320011202311
5
Quinary
31024324424
6
Senary
3042420405
8
Octal
170054265
10
Decimal
31479989
12
Duodecimal
a661705
16
Hexadecimal
1e058b5
20
Vigesimal
9gejj9
36
Base36
iqq45
md5
aeaddf978b51c621a7d10521694fd2bd
sha1
7cda23f7567cade5f070260c6de21ab0f000693b
sha256
6bb9c57c038e95b557d34636fe61fd0e4d7c55cc21488332912dc84b0bd0efb0
sha512
fd20c478ec589079ee67a4dce7592e75be4d14099bdfdcc221daaef82b3e9ec9ebb810e8eeb2c8dfda07835420c212bbd89b3a781329933540eabe2e6bd5f344
ripemd-160
f60c1a871cf0fee37ec19a1f41c21e47e718a058
Diameter
62959978
Circumference
197794604.35497
Area
3.113285984677E+15
Volume
1.3067494473531E+23
Surface area
1.2453143938708E+16
Circumference
197794604.35497
Perimeter
125919956
Area
990989707440121
Diagonal
44519427.387156
Surface area
5945938244640726
Volume
3.1196345089328E+22
Space diagonal
54524940.369709
Perimeter
94439967
Area
4.2911113076603E+14
Altitude
27262470.184855
Surface area
4.2911113076603E+14
Volume
3.6765245268166E+21
Height
14839809.129052