20131631 is an odd 8-digits composite number following 20131630
and preceding 20131632 . In scientific notation, it is written as 2.0131631 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 18583032 positive integers (up to 20131631) that are relatively prime to 20131631.
20131631 has 4 divisors, whose sum is 21680232
The reverse of 20131631 is 13613102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred thirty-one thousand six hundred thirty-one
Scientific notation
2.0131631 × 10^7
Engineering notation
2.0131631 × 10^6
Prime Factorization
13 × 1548587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131631
Product of the distinct prime numbers
The prime factorization of 20131631 is 13 × 1548587.
Since it has a total of 2 prime factors.
5 , 7 , 67 , 91 , 549 , 286 , 9065 , 6390 , 21308 , 70622 , 456107 , 528876 , 3112762 , 9000195 , 2368874 , 62955270 , 136796404 , 476704329 , 661379038 , 6020396887
n×2
40263262
n×3
60394893
n×4
80526524
n×5
100658155
n÷2
10065815.5
n÷3
6710543.6666667
n÷3
5032907.75
n÷5
4026326.2
n2
405282566720161
n3
8.1589990839432E+21
n4
1.6425395888728E+29
n5
3.3067000906079E+36
2 √n
4486.8286127286
3 √n
272.03596248117
4 √n
66.983793657336
5 √n
28.891879328417
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
-20131630
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 20131631 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131631) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010111100101111
3
Ternary
1101212210101222
4
Quaternary
1030302330233
5
Quinary
20123203011
6
Senary
1555253555
8
Octal
114627457
10
Decimal
20131631
12
Duodecimal
68aa2bb
16
Hexadecimal
1332f2f
20
Vigesimal
65g91b
36
Base36
bzhnz
md5
92090ca8104ea19b5af3f1211e468a98
sha1
865a668a000c352ae46a6413395b75930cda446e
sha256
bc18d0eedba39ff32cc53710d7b413a59f7265097f2a0fa215e5b1802346c656
sha512
8c5bf0091e7b47d4e6a3838f28a21231c60bdc1e64b599f3002c0c1aee4125f5f7c3ced8423fee770344585d559f4bd53f980a318ad1bc677e16af4f59223b47
ripemd-160
d723d9349d82a3873172b02a00dfea936ec45c6f
Diameter
40263262
Circumference
126490768.10876
Area
1.2732327342361E+15
Volume
3.4176335443682E+22
Surface area
5.0929309369443E+15
Circumference
126490768.10876
Perimeter
80526524
Area
405282566720161
Diagonal
28470425.592891
Surface area
2431695400320966
Volume
8.1589990839432E+21
Space diagonal
34869007.731229
Perimeter
60394893
Area
1.7549249924531E+14
Altitude
17434503.865614
Surface area
1.7549249924531E+14
Volume
9.6154726332517E+20
Height
9490141.8642969