20131831 is an odd 8-digits composite number following 20131830
and preceding 20131832 . In scientific notation, it is written as 2.0131831 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19256512 positive integers (up to 20131831) that are relatively prime to 20131831.
20131831 has 4 divisors, whose sum is 21007152
The reverse of 20131831 is 13813102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred thirty-one thousand eight hundred thirty-one
Scientific notation
2.0131831 × 10^7
Engineering notation
2.0131831 × 10^6
Prime Factorization
23 × 875297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131831
Product of the distinct prime numbers
The prime factorization of 20131831 is 23 × 875297.
Since it has a total of 2 prime factors.
10 , 1 , 13 , 53 , 237 , 894 , 1025 , 4464 , 84526 , 64574 , 281546 , 339310 , 4870200 , 1328366 , 30045885 , 76679826 , 861456316 , 511970319 , 6097986486 , 456452816
n×2
40263662
n×3
60395493
n×4
80527324
n×5
100659155
n÷2
10065915.5
n÷3
6710610.3333333
n÷3
5032957.75
n÷5
4026366.2
n2
405290619412561
n3
8.159242255899E+21
n4
1.6426048618382E+29
n5
3.3068643478304E+36
2 √n
4486.8509001303
3 √n
272.03686333569
4 √n
66.983960021264
5 √n
28.891936734127
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
-20131830
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 20131831 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131831) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010111111110111
3
Ternary
1101212210200101
4
Quaternary
1030302333313
5
Quinary
20123204311
6
Senary
1555254531
8
Octal
114627767
10
Decimal
20131831
12
Duodecimal
68aa447
16
Hexadecimal
1332ff7
20
Vigesimal
65g9bb
36
Base36
bzhtj
md5
ea899335674f615ca2890bd23e28ccc6
sha1
2f5f5f2e7df62496ea1300de3e303250e66235b3
sha256
243eeb5d6cb22ccf87e0d8cb06eab44aef939dd4822dbf6c5a6ddb10d024058a
sha512
75b6076c94174995b37b9f6e2c5900693966c2a48706d752a9eaf8e330d99567dee34fd9a7aab6c7e9a7b4eaa245033383936acc02e9b2260a2ddddf7ac4971e
ripemd-160
34563f03ac9dcb8c2e6eeeccc9caacbbd69caf57
Diameter
40263662
Circumference
126492024.74582
Area
1.2732580325154E+15
Volume
3.4177354039989E+22
Surface area
5.0930321300614E+15
Circumference
126492024.74582
Perimeter
80527324
Area
405290619412561
Diagonal
28470708.435603
Surface area
2431743716475366
Volume
8.159242255899E+21
Space diagonal
34869354.14139
Perimeter
60395493
Area
1.754959861634E+14
Altitude
17434677.070695
Surface area
1.754959861634E+14
Volume
9.61575921415E+20
Height
9490236.145201