31361621 is an odd 8-digits composite number following 31361620
and preceding 31361622 . In scientific notation, it is written as 3.1361621 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 31346700 positive integers (up to 31361621) that are relatively prime to 31361621.
31361621 has 4 divisors, whose sum is 31376544
The reverse of 31361621 is 12616313
Previous prime number is 2531
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
thirty-one million three hundred sixty-one thousand six hundred twenty-one
Scientific notation
3.1361621 × 10^7
Engineering notation
3.1361621 × 10^6
Prime Factorization
2531 × 12391
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31361621
Product of the distinct prime numbers
The prime factorization of 31361621 is 2531 × 12391.
Since it has a total of 2 prime factors.
10 , 9 , 2 , 81 , 562 , 27 , 2054 , 8513 , 11122 , 28865 , 102084 , 32691 , 6535685 , 3445609 , 9709948 , 23046765 , 55877856 , 806550525 , 5906735230 , 2666552187
n×2
62723242
n×3
94084863
n×4
125446484
n×5
156808105
n÷2
15680810.5
n÷3
10453873.666667
n÷3
7840405.25
n÷5
6272324.2
n2
983551271747641
n3
3.0845762218618E+22
n4
9.673731041564E+29
n5
3.0338388658147E+37
2 √n
5600.1447302726
3 √n
315.35483990623
4 √n
74.834114749041
5 √n
31.570372081869
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
-31361620
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 31361621 can be divided by 4 positive divisors.
The sum of these divisors (counting 31361621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111101000101001010101
3
Ternary
2012000100001112
4
Quaternary
1313220221111
5
Quinary
31012032441
6
Senary
3040104405
8
Octal
167505125
10
Decimal
31361621
12
Duodecimal
a605105
16
Hexadecimal
1de8a55
20
Vigesimal
9g0411
36
Base36
io6s5
md5
b7653f2e866e2c25277fef3041eb9f6d
sha1
deaf60429c19bb383cadd0e8b129b251824e75c6
sha256
efa153546af6b81b2bace9d135e48348716bfe8f132b99d83812bc6001ba8e8b
sha512
5a20bfc3d17e39671ad95f4d19f24a4930273311505b11f9965494afa6d2eb19048973b50920e86abe08307e656e906522381389d6f2f7d308c8cf62be164e85
ripemd-160
137729ce7edaa58d22c09501ae656aae2b418767
Diameter
62723242
Circumference
197050876.27653
Area
3.0899174497513E+15
Volume
1.2920642664052E+23
Surface area
1.2359669799005E+16
Circumference
197050876.27653
Perimeter
125446484
Area
983551271747641
Diagonal
44352029.756205
Surface area
5901307630485846
Volume
3.0845762218618E+22
Space diagonal
54319920.979719
Perimeter
94084863
Area
4.2589019362897E+14
Altitude
27159960.48986
Surface area
4.2589019362897E+14
Volume
3.6352079392754E+21
Height
14784009.918735