31506730 is an even 8-digits composite number following 31506729
and preceding 31506731 . In scientific notation, it is written as 3.1506730 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 12588480 positive integers (up to 31506730) that are relatively prime to 31506730.
31506730 has 16 divisors, whose sum is 56776104
The reverse of 31506730 is 03760513
Previous prime number is 1693
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million five hundred six thousand seven hundred thirty
Scientific notation
3.1506730 × 10^7
Engineering notation
3.1506730 × 10^6
Prime Factorization
2 × 5 × 1693 × 1861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31506730
Product of the distinct prime numbers
The prime factorization of 31506730 is 2 × 5 × 1693 × 1861.
Since it has a total of 4 prime factors.
1 , 6 , 98 , 53 , 104 , 941 , 2073 , 1253 , 26677 , 91638 , 541620 , 957018 , 3293001 , 774288 , 65519955 , 70624003 , 139401850 , 591695181 , 5660296888 , 6362723662
n×2
63013460
n×3
94520190
n×4
126026920
n×5
157533650
n÷2
15753365
n÷3
10502243.333333
n÷3
7876682.5
n÷5
6301346
n2
992674035292900
n3
3.1275912807984E+22
n4
9.8540174034469E+29
n5
3.104678657457E+37
2 √n
5613.0856041931
3 √n
315.84046986858
4 √n
74.920528589921
5 √n
31.599533137497
1 , 2 , 5 , 10 , 1693 , 1861 , 3386 , 3722 , 8465 , 9305 , 16930 , 18610 , 3150673 , 6301346 , 15753365 , 31506730
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31506729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31506730 can be divided by 16 positive divisors.
The sum of these divisors (counting 31506730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001100000100101010
3
Ternary
2012021201002221
4
Quaternary
1320030010222
5
Quinary
31031203410
6
Senary
3043144254
8
Octal
170140452
10
Decimal
31506730
12
Duodecimal
a67508a
16
Hexadecimal
1e0c12a
20
Vigesimal
9gi6ga
36
Base36
iraqy
md5
d836e68fc72f353349d89a5da7fd4ce2
sha1
371239ec2ae5ffbb7ad093a2d3fdfee7e758f83e
sha256
394417653de55d529f72e52a02137bdf91ad696bce9c345f9951d50231f172df
sha512
670148def66b1803f15b6605071b870e6a9a5b08a4cd8effa4c5a94ba7739fe409ab5ed452e06e1d135e7db8bcd6a768aee3104ed344b68213275a7eb81a69b9
ripemd-160
951350b6bfa4fc41e402988219b3963deededbf8
Diameter
63013460
Circumference
197962623.01327
Area
3.1185774566855E+15
Volume
1.3100823721584E+23
Surface area
1.2474309826742E+16
Circumference
197962623.01327
Perimeter
126026920
Area
992674035292900
Diagonal
44557244.872027
Surface area
5956044211757400
Volume
3.1275912807984E+22
Space diagonal
54571257.140355
Perimeter
94520190
Area
4.2984046612043E+14
Altitude
27285628.570177
Surface area
4.2984046612043E+14
Volume
3.6859016723874E+21
Height
14852414.957342