20138742 is an even 8-digits composite number following 20138741
and preceding 20138743 . In scientific notation, it is written as 2.0138742 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 6120576 positive integers (up to 20138742) that are relatively prime to 20138742.
20138742 has 32 divisors, whose sum is 36590400
The reverse of 20138742 is 24783102
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred thirty-eight thousand seven hundred forty-two
Scientific notation
2.0138742 × 10^7
Engineering notation
2.0138742 × 10^6
Prime Factorization
2 × 9 × 13 × 89 × 967
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20138742
Product of the distinct prime numbers
The prime factorization of 20138742 is 2 × 9 × 13 × 89 × 967.
Since it has a total of 5 prime factors.
2 , 10 , 52 , 19 , 363 , 513 , 7592 , 9828 , 35357 , 38067 , 104315 , 541716 , 5419581 , 8988026 , 60132306 , 86828437 , 156868137 , 575419589 , 1323478655 , 1785169390
n×2
40277484
n×3
60416226
n×4
80554968
n×5
100693710
n÷2
10069371
n÷3
6712914
n÷3
5034685.5
n÷5
4027748.4
n2
405568929342564
n3
8.1676480312461E+21
n4
1.6448615644807E+29
n5
3.3125442672794E+36
2 √n
4487.6209732998
3 √n
272.06798869916
4 √n
66.989707965476
5 √n
28.893920108242
1 , 2 , 9 , 13 , 18 , 26 , 89 , 117 , 178 , 234 , 801 , 967 , 1157 , 1602 , 1934 , 2314 , 8703 , 10413 , 12571 , 17406 , 20826 , 25142 , 86063 , 113139 , 172126 , 226278 , 774567 , 1118819 , 1549134 , 2237638 , 10069371 , 20138742
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138742 can be divided by 32 positive divisors.
The sum of these divisors (counting 20138742) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100101011110110
3
Ternary
1101220011011100
4
Quaternary
1030310223312
5
Quinary
20123414432
6
Senary
1555350530
8
Octal
114645366
10
Decimal
20138742
12
Duodecimal
68b2446
16
Hexadecimal
1334af6
20
Vigesimal
65h6h2
36
Base36
bzn5i
md5
7733f19e8bcf53256754f4fb0773cc0a
sha1
311fab8b21da910ab118b8ae023adc274cbb8bd6
sha256
8580602e2433bcf44a8f454bea8ca5162785258838ddf0bfd47eacd5573f4f99
sha512
eecc10e6c84e7e9594aaa50d04e8c411cfa8146cb3f721b3ea34232c6f947e9f66c7b72dc7aaf3dce595944c1825fb16d858bd205b919dcec26302c738c5e942
ripemd-160
d4211d5971f05bccbf0d80e7e1a11dbeeec30876
Diameter
40277484
Circumference
126535447.83948
Area
1.2741323689469E+15
Volume
3.4212564069427E+22
Surface area
5.0965294757875E+15
Circumference
126535447.83948
Perimeter
80554968
Area
405568929342564
Diagonal
28480482.065533
Surface area
2433413576055384
Volume
8.1676480312461E+21
Space diagonal
34881324.344521
Perimeter
60416226
Area
1.7561649789816E+14
Altitude
17440662.172261
Surface area
1.7561649789816E+14
Volume
9.6256655153985E+20
Height
9493494.0218442