31389613 is an odd 8-digits composite number following 31389612
and preceding 31389614 . In scientific notation, it is written as 3.1389613 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 30659580 positive integers (up to 31389613) that are relatively prime to 31389613.
31389613 has 4 divisors, whose sum is 32119648
The reverse of 31389613 is 31698313
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
thirty-one million three hundred eighty-nine thousand six hundred thirteen
Scientific notation
3.1389613 × 10^7
Engineering notation
3.1389613 × 10^6
Prime Factorization
43 × 729991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31389613
Product of the distinct prime numbers
The prime factorization of 31389613 is 43 × 729991.
Since it has a total of 2 prime factors.
9 , 3 , 47 , 63 , 323 , 509 , 462 , 5049 , 47582 , 36544 , 124950 , 97088 , 9740411 , 6528161 , 89666481 , 77685355 , 472526379 , 577092357 , 3760556013 , 4721142488
n×2
62779226
n×3
94168839
n×4
125558452
n×5
156948065
n÷2
15694806.5
n÷3
10463204.333333
n÷3
7847403.25
n÷5
6277922.6
n2
985307804289769
n3
3.0928430662536E+22
n4
9.7083146919433E+29
n5
3.0474024106231E+37
2 √n
5602.6433939704
3 √n
315.44863594716
4 √n
74.850807570596
5 √n
31.57600573529
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
-31389612
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 31389613 can be divided by 4 positive divisors.
The sum of these divisors (counting 31389613) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111101111011110101101
3
Ternary
2012001202110021
4
Quaternary
1313233132231
5
Quinary
31013431423
6
Senary
3040442141
8
Octal
167573655
10
Decimal
31389613
12
Duodecimal
a619351
16
Hexadecimal
1def7ad
20
Vigesimal
9g3e0d
36
Base36
iosdp
md5
79d20766db687ffb243855f597b21569
sha1
83fddfe67ae886425004bdbd4cdbe1d7ccbfde64
sha256
01c30d56745f2a7483816c2ac3a79ec77c29c1bd139c15413ed8dc7d724c0f36
sha512
a6306dc79d61cb2ce9d40a14f38cc824fa25d64ffbd9a00d329c2b304e67f9b755e5c052569ea677948bb635286f2b33d3002bb3af26d02dcf5b7982a8a1c7f3
ripemd-160
56348fbf01b512ff73164118daaed8e25ce8c3ff
Diameter
62779226
Circumference
197226755.19965
Area
3.0954357594814E+15
Volume
1.2955270740864E+23
Surface area
1.2381743037926E+16
Circumference
197226755.19965
Perimeter
125558452
Area
985307804289769
Diagonal
44391616.422243
Surface area
5911846825738614
Volume
3.0928430662536E+22
Space diagonal
54368404.545925
Perimeter
94168839
Area
4.26650794531E+14
Altitude
27184202.272962
Surface area
4.26650794531E+14
Volume
3.6449505088228E+21
Height
14797205.474081