20131845 is an odd 8-digits composite number following 20131844
and preceding 20131846 . In scientific notation, it is written as 2.0131845 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10716480 positive integers (up to 20131845) that are relatively prime to 20131845.
20131845 has 16 divisors, whose sum is 32272512
The reverse of 20131845 is 54813102
Previous prime number is 733
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred thirty-one thousand eight hundred forty-five
Scientific notation
2.0131845 × 10^7
Engineering notation
2.0131845 × 10^6
Prime Factorization
3 × 5 × 733 × 1831
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131845
Product of the distinct prime numbers
The prime factorization of 20131845 is 3 × 5 × 733 × 1831.
Since it has a total of 4 prime factors.
4 , 5 , 56 , 39 , 745 , 385 , 2653 , 2105 , 68042 , 10385 , 980863 , 158434 , 54873 , 2646623 , 87206269 , 75446539 , 127584616 , 882878851 , 2812760589 , 4815176144
n×2
40263690
n×3
60395535
n×4
80527380
n×5
100659225
n÷2
10065922.5
n÷3
6710615
n÷3
5032961.25
n÷5
4026369
n2
405291183104025
n3
8.1592592781169E+21
n4
1.6426094310186E+29
n5
3.3068758460805E+36
2 √n
4486.8524602443
3 √n
272.03692639528
4 √n
66.983971666692
5 √n
28.89194075251
1 , 3 , 5 , 15 , 733 , 1831 , 2199 , 3665 , 5493 , 9155 , 10995 , 27465 , 1342123 , 4026369 , 6710615 , 20131845
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
-20131844
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 20131845 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110011000000000101
3
Ternary
1101212210200220
4
Quaternary
1030303000011
5
Quinary
20123204340
6
Senary
1555254553
8
Octal
114630005
10
Decimal
20131845
12
Duodecimal
68aa459
16
Hexadecimal
1333005
20
Vigesimal
65g9c5
36
Base36
bzhtx
md5
5d4130f1430c5e5cc89371c3b4280661
sha1
121e309f860573c79fc93d620dc3447c72bb1da9
sha256
8f2df7a40606614b53d56e699866a1253702ecd7adefae65b3d74fa838aaef65
sha512
3d863517953ba08e181bb1fec22f6060000379bd0537006183ce8cae54c64d9a663c95073185a6cac83803403165ac17091f4edbd71affcadc95c7670fc2f1b8
ripemd-160
464756e5e16f7029d5f1a52a75065dd7d68d3d58
Diameter
40263690
Circumference
126492112.71042
Area
1.2732598034043E+15
Volume
3.4177425342488E+22
Surface area
5.0930392136173E+15
Circumference
126492112.71042
Perimeter
80527380
Area
405291183104025
Diagonal
28470728.234593
Surface area
2431747098624150
Volume
8.1592592781169E+21
Space diagonal
34869378.390101
Perimeter
60395535
Area
1.7549623024897E+14
Altitude
17434689.195051
Surface area
1.7549623024897E+14
Volume
9.6157792750261E+20
Height
9490242.7448643