20147638 is an even 8-digits composite number following 20147637
and preceding 20147639 . In scientific notation, it is written as 2.0147638 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8180136 positive integers (up to 20147638) that are relatively prime to 20147638.
20147638 has 16 divisors, whose sum is 36357120
The reverse of 20147638 is 83674102
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-seven thousand six hundred thirty-eight
Scientific notation
2.0147638 × 10^7
Engineering notation
2.0147638 × 10^6
Prime Factorization
2 × 7 × 19 × 75743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20147638
Product of the distinct prime numbers
The prime factorization of 20147638 is 2 × 7 × 19 × 75743.
Since it has a total of 4 prime factors.
7 , 1 , 9 , 85 , 306 , 598 , 9397 , 7039 , 69771 , 43085 , 664765 , 971715 , 9156283 , 2814770 , 62837111 , 59037953 , 28152469 , 321351446 , 2319527062 , 7079976361
n×2
40295276
n×3
60442914
n×4
80590552
n×5
100738190
n÷2
10073819
n÷3
6715879.3333333
n÷3
5036909.5
n÷5
4029527.6
n2
405927316979044
n3
8.178476636805E+21
n4
1.6477698666981E+29
n5
3.3198670781541E+36
2 √n
4488.6120349168
3 √n
272.10804351051
4 √n
66.997104675626
5 √n
28.896472352148
1 , 2 , 7 , 14 , 19 , 38 , 133 , 266 , 75743 , 151486 , 530201 , 1060402 , 1439117 , 2878234 , 10073819 , 20147638
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
-20147637
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 20147638 can be divided by 16 positive divisors.
The sum of these divisors (counting 20147638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110110110110110
3
Ternary
1101220121100211
4
Quaternary
1030312312312
5
Quinary
20124211023
6
Senary
1555500034
8
Octal
114666666
10
Decimal
20147638
12
Duodecimal
68b761a
16
Hexadecimal
1336db6
20
Vigesimal
65i91i
36
Base36
bzu0m
md5
c99c263404b04b708ecc490339e1355b
sha1
cff022c23cf6da0178fdf597c048534a11fcdabb
sha256
1c6ad0df6a0ed52b2788b5ef91b68daba55c9add25b3cda5fb3306511d2f8d02
sha512
7b149aaa132095753139de3e4db43d6c6312d045d6c888bb33a3df73c62ed3bcf8fe34e362826238d5edba5234c968c547eabcac18a20e6613a5c7862c7364fb
ripemd-160
9015a43ff6e4e21ea9685e3c0a359d7d50fee09e
Diameter
40295276
Circumference
126591343.05597
Area
1.2752582769128E+15
Volume
3.4257922826323E+22
Surface area
5.1010331076511E+15
Circumference
126591343.05597
Perimeter
80590552
Area
405927316979044
Diagonal
28493062.909384
Surface area
2435563901874264
Volume
8.178476636805E+21
Space diagonal
34896732.668505
Perimeter
60442914
Area
1.7577168429696E+14
Altitude
17448366.334253
Surface area
1.7577168429696E+14
Volume
9.6384271494343E+20
Height
9497687.6364612