31621 is an odd 5-digits composite number following 31620
and preceding 31622 . In scientific notation, it is written as 3.1621 × 10^4.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 31212 positive integers (up to 31621) that are relatively prime to 31621.
31621 has 4 divisors, whose sum is 32032
The reverse of 31621 is 12613
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 13
Digital Root 4
Name
thirty-one thousand six hundred twenty-one
Scientific notation
3.1621 × 10^4
Engineering notation
3.1621 × 10^3
Prime Factorization
103 × 307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31621
Product of the distinct prime numbers
The prime factorization of 31621 is 103 × 307.
Since it has a total of 2 prime factors.
3 , 4 , 63 , 60 , 631 , 928 , 602 , 4709 , 89231 , 10410 , 349655 , 927704 , 3046360 , 3632973 , 18810554 , 96836339 , 388429041 , 736216573 , 6309369833 , 9418061674
n×2
63242
n×3
94863
n×4
126484
n×5
158105
n÷2
15810.5
n÷3
10540.333333333
n÷3
7905.25
n÷5
6324.2
n2
999887641
n3
31617447096061
n4
999775294624544881
n5
3.1613894591323E+22
2 √n
177.822945651
3 √n
31.622184390032
4 √n
13.335027021008
5 √n
7.9431930928038
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
-31620
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 31621 can be divided by 4 positive divisors.
The sum of these divisors (counting 31621) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110000101
3
Ternary
1121101011
4
Quaternary
13232011
5
Quinary
2002441
6
Senary
402221
8
Octal
75605
10
Decimal
31621
12
Duodecimal
16371
16
Hexadecimal
7b85
20
Vigesimal
3j11
36
Base36
oed
md5
57c50209953cb4fb4c0e9b9631f3802c
sha1
4fe7331843bcb4add1e986b899083c84939a34ed
sha256
af69508d3d7049ba1cf959fa55e40e5b9e46fcabe369691aa4f3d32035574395
sha512
1235aa75bc09f20b152bbac7be4cee0d59a16fe182107ea3e99cd9cd238f71f465f31b59d617fe253884571d7465bf7df00989180fcd1b2834fb9f59c564cf20
ripemd-160
2b74f81de9071cbb6595905e36bbbb7985ac2996
Diameter
63242
Circumference
198680.60259833
Area
3141239667.3808
Volume
1.3243885269633E+14
Surface area
12564958669.523
Circumference
198680.60259833
Perimeter
126484
Area
999887641
Diagonal
44718.8470558
Surface area
5999325846
Volume
31617447096061
Space diagonal
54769.178586135
Perimeter
94863
Area
432964049.01805
Altitude
27384.589293068
Surface area
432964049.01805
Volume
3726151874238.6
Height
14906.282351933