20131806 is an even 8-digits composite number following 20131805
and preceding 20131807 . In scientific notation, it is written as 2.0131806 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6685824 positive integers (up to 20131806) that are relatively prime to 20131806.
20131806 has 16 divisors, whose sum is 40412304
The reverse of 20131806 is 60813102
Previous prime number is 277
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred thirty-one thousand eight hundred six
Scientific notation
2.0131806 × 10^7
Engineering notation
2.0131806 × 10^6
Prime Factorization
2 × 3 × 277 × 12113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131806
Product of the distinct prime numbers
The prime factorization of 20131806 is 2 × 3 × 277 × 12113.
Since it has a total of 4 prime factors.
9 , 8 , 54 , 13 , 928 , 267 , 7764 , 795 , 48933 , 67577 , 739530 , 919958 , 3492968 , 1454099 , 98265328 , 44415934 , 26132221 , 80275096 , 1809597443 , 71772067
n×2
40263612
n×3
60395418
n×4
80527224
n×5
100659030
n÷2
10065903
n÷3
6710602
n÷3
5032951.5
n÷5
4026361.2
n2
405289612821636
n3
8.1592118591403E+21
n4
1.6425967026111E+29
n5
3.3068438153207E+36
2 √n
4486.8481142111
3 √n
272.0367507292
4 √n
66.983939225841
5 √n
28.891929558438
1 , 2 , 3 , 6 , 277 , 554 , 831 , 1662 , 12113 , 24226 , 36339 , 72678 , 3355301 , 6710602 , 10065903 , 20131806
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
-20131805
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 20131806 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010111111011110
3
Ternary
1101212210122110
4
Quaternary
1030302333132
5
Quinary
20123204211
6
Senary
1555254450
8
Octal
114627736
10
Decimal
20131806
12
Duodecimal
68aa426
16
Hexadecimal
1332fde
20
Vigesimal
65g9a6
36
Base36
bzhsu
md5
d7187014948d5a7b336b3534a62a4a0a
sha1
87e09f85cd37590442a22d5011584b49fa188cbb
sha256
033b117b874605bb207f501a12ad055c35622cbc977fb765474fb5d5f1fb381d
sha512
35700e64676cdc1ca683f062926663c654e225b6aa9189a37e47253481c58eb28afdd7bed84c4b1bb7f08698cc6f9fb24579c6a2571808a6556c2eb854184643
ripemd-160
d861356f9e5d6902da6d6287cd1c1cb1b741518b
Diameter
40263612
Circumference
126491867.66619
Area
1.2732548702167E+15
Volume
3.4177226714344E+22
Surface area
5.0930194808668E+15
Circumference
126491867.66619
Perimeter
80527224
Area
405289612821636
Diagonal
28470673.080264
Surface area
2431737676929816
Volume
8.1592118591403E+21
Space diagonal
34869310.84012
Perimeter
60395418
Area
1.7549555029675E+14
Altitude
17434655.42006
Surface area
1.7549555029675E+14
Volume
9.6157233912263E+20
Height
9490224.360088