20139872 is an even 8-digits composite number following 20139871
and preceding 20139873 . In scientific notation, it is written as 2.0139872 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 12 positive divisors.
There are 10069920 positive integers (up to 20139872) that are relatively prime to 20139872.
20139872 has 12 divisors, whose sum is 39650436
The reverse of 20139872 is 27893102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-nine thousand eight hundred seventy-two
Scientific notation
2.0139872 × 10^7
Engineering notation
2.0139872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 629371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1258742
Product of the distinct prime numbers
The prime factorization of 20139872 is 2 × 2 × 2 × 2 × 2 × 629371.
Since it has a total of 6 prime factors.
2 , 3 , 5 , 2 , 630 , 98 , 7402 , 6535 , 93348 , 33613 , 278780 , 330332 , 640890 , 352354 , 4572242 , 88844600 , 131059804 , 592516621 , 1820727284 , 7761016789
n×2
40279744
n×3
60419616
n×4
80559488
n×5
100699360
n÷2
10069936
n÷3
6713290.6666667
n÷3
5034968
n÷5
4027974.4
n2
405614444176384
n3
8.1690229870635E+21
n4
1.6452307732452E+29
n5
3.3134737183619E+36
2 √n
4487.7468734321
3 √n
272.07307725066
4 √n
66.990647656461
5 √n
28.894244352894
1 , 2 , 4 , 8 , 16 , 32 , 629371 , 1258742 , 2517484 , 5034968 , 10069936 , 20139872
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139872 can be divided by 12 positive divisors.
The sum of these divisors (counting 20139872) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100111101100000
3
Ternary
1101220012201012
4
Quaternary
1030310331200
5
Quinary
20123433442
6
Senary
1555400052
8
Octal
114647540
10
Decimal
20139872
12
Duodecimal
68b3028
16
Hexadecimal
1334f60
20
Vigesimal
65h9dc
36
Base36
bzo0w
md5
8c9fd8294ebdccab2439b0db56a59097
sha1
8ae5a9d967a222fa07a1913a73540d06ac316f9b
sha256
6f7118110d2d104b35eaf24fefd0d8b9f5ea8b698f1bcee3e2a50c0820030ff9
sha512
3861c76d11fdd1007b8790304c4503850e11cfa8496c4be41a9b788fa3a38fb9712bc3e913911770fbc4a2ae78258fdee80808ed95bd6eecbd29191da0db4a31
ripemd-160
ae7fea414fcde64816ada8f2f7a2c56b693913bc
Diameter
40279744
Circumference
126542547.83888
Area
1.2742753580144E+15
Volume
3.4218323470887E+22
Surface area
5.0971014320577E+15
Circumference
126542547.83888
Perimeter
80559488
Area
405614444176384
Diagonal
28482080.126858
Surface area
2433686665058304
Volume
8.1690229870635E+21
Space diagonal
34883281.561934
Perimeter
60419616
Area
1.7563620639933E+14
Altitude
17441640.780967
Surface area
1.7563620639933E+14
Volume
9.627285916369E+20
Height
9494026.7089527