20130831 is an odd 8-digits composite number following 20130830
and preceding 20130832 . In scientific notation, it is written as 2.0130831 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 11284416 positive integers (up to 20130831) that are relatively prime to 20130831.
20130831 has 16 divisors, whose sum is 28654560
The reverse of 20130831 is 13803102
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred thirty thousand eight hundred thirty-one
Scientific notation
2.0130831 × 10^7
Engineering notation
2.0130831 × 10^6
Prime Factorization
3 × 21 × 53 × 6029
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20130831
Product of the distinct prime numbers
The prime factorization of 20130831 is 3 × 21 × 53 × 6029.
Since it has a total of 4 prime factors.
1 , 7 , 44 , 72 , 301 , 786 , 2446 , 5311 , 38406 , 24844 , 558997 , 586753 , 9688833 , 3287363 , 45135172 , 46159910 , 431833104 , 618792452 , 8980874948 , 276787622
n×2
40261662
n×3
60392493
n×4
80523324
n×5
100654155
n÷2
10065415.5
n÷3
6710277
n÷3
5032707.75
n÷5
4026166.2
n2
405250356750561
n3
8.1580264444353E+21
n4
1.6422785164646E+29
n5
3.3060431269879E+36
2 √n
4486.7394620147
3 √n
272.03235900343
4 √n
66.983128189229
5 √n
28.891649701012
1 , 3 , 21 , 53 , 63 , 159 , 1113 , 3339 , 6029 , 18087 , 126609 , 319537 , 379827 , 958611 , 6710277 , 20130831
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
-20130830
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 20130831 can be divided by 16 positive divisors.
The sum of these divisors (counting 20130831) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010110000001111
3
Ternary
1101212202022100
4
Quaternary
1030302300033
5
Quinary
20123141311
6
Senary
1555250143
8
Octal
114626017
10
Decimal
20130831
12
Duodecimal
68a9953
16
Hexadecimal
1332c0f
20
Vigesimal
65g71b
36
Base36
bzh1r
md5
3ccaef453e17dd2ba9e5d31c2650b45c
sha1
8d0fc508615725718e009df09699c012d754ce7b
sha256
bae6bd1897595e598eb7d6d9a38a57c8a9ff554aa75c7e6b684ead059af36c48
sha512
b581c3234721f14d500f1f20f4a69dc71a4cc9640440b709a63de3b4f3ac7cb0ab39cf976c6d8c232298db262492becd5318cd61b078f7c8cc880898d9521d19
ripemd-160
c13c8f9d67cdc29e6d1a66ad48b8b5fda691ce34
Diameter
40261662
Circumference
126485741.56052
Area
1.2731315436322E+15
Volume
3.4172261260839E+22
Surface area
5.0925261745288E+15
Circumference
126485741.56052
Perimeter
80523324
Area
405250356750561
Diagonal
28469294.222041
Surface area
2431502140503366
Volume
8.1580264444353E+21
Space diagonal
34867622.090583
Perimeter
60392493
Area
1.7547855191935E+14
Altitude
17433811.045291
Surface area
1.7547855191935E+14
Volume
9.6143263665989E+20
Height
9489764.7406802