20131888 is an even 8-digits composite number following 20131887
and preceding 20131889 . In scientific notation, it is written as 2.0131888 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 8627904 positive integers (up to 20131888) that are relatively prime to 20131888.
20131888 has 20 divisors, whose sum is 44578000
The reverse of 20131888 is 88813102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-one thousand eight hundred eighty-eight
Scientific notation
2.0131888 × 10^7
Engineering notation
2.0131888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 179749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2516486
Product of the distinct prime numbers
The prime factorization of 20131888 is 2 × 2 × 2 × 2 × 7 × 179749.
Since it has a total of 6 prime factors.
8 , 10 , 80 , 99 , 711 , 820 , 7984 , 5859 , 79764 , 27657 , 68351 , 75450 , 6850134 , 7782274 , 43597247 , 51798945 , 880196809 , 383075545 , 3940275714 , 8434455532
n×2
40263776
n×3
60395664
n×4
80527552
n×5
100659440
n÷2
10065944
n÷3
6710629.3333333
n÷3
5032972
n÷5
4026377.6
n2
405292914444544
n3
8.1593115607911E+21
n4
1.6426234649895E+29
n5
3.3069111623341E+36
2 √n
4486.8572520195
3 √n
272.03712007814
4 √n
66.984007434756
5 √n
28.891953094671
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 179749 , 359498 , 718996 , 1258243 , 1437992 , 2516486 , 2875984 , 5032972 , 10065944 , 20131888
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131888 can be divided by 20 positive divisors.
The sum of these divisors (counting 20131888) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110011000000110000
3
Ternary
1101212210202111
4
Quaternary
1030303000300
5
Quinary
20123210023
6
Senary
1555255104
8
Octal
114630060
10
Decimal
20131888
12
Duodecimal
68aa494
16
Hexadecimal
1333030
20
Vigesimal
65g9e8
36
Base36
bzhv4
md5
66f583a1c729f894b97fbd07ad2fdb61
sha1
61aae4e1197d6c65e234bb0fea8bef446735ae75
sha256
558487be3ae418d2df084bb2f5fdc5f47869d6444ec5bc609cd7fc7415378c38
sha512
40c52421161bb57ec98c9d8f4604739817a54c2a8f8394de59d4ab4ab9af6b7941a8e8751ecac9a91c787702dfd5fafa7493accb14db6c8f0aeeb0bafde6cb07
ripemd-160
54f8a34a8eb84f23c7723c6cb10f87ef4e7c8c35
Diameter
40263776
Circumference
126492382.88739
Area
1.273265242571E+15
Volume
3.4177644343642E+22
Surface area
5.0930609702839E+15
Circumference
126492382.88739
Perimeter
80527552
Area
405292914444544
Diagonal
28470789.045776
Surface area
2431757486667264
Volume
8.1593115607911E+21
Space diagonal
34869452.868286
Perimeter
60395664
Area
1.754969799414E+14
Altitude
17434726.434143
Surface area
1.754969799414E+14
Volume
9.6158408907487E+20
Height
9490263.0152587