20128047 is an odd 8-digits composite number following 20128046
and preceding 20128048 . In scientific notation, it is written as 2.0128047 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13418696 positive integers (up to 20128047) that are relatively prime to 20128047.
20128047 has 4 divisors, whose sum is 26837400
The reverse of 20128047 is 74082102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-eight thousand forty-seven
Scientific notation
2.0128047 × 10^7
Engineering notation
2.0128047 × 10^6
Prime Factorization
3 × 6709349
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20128047
Product of the distinct prime numbers
The prime factorization of 20128047 is 3 × 6709349.
Since it has a total of 2 prime factors.
6 , 4 , 87 , 14 , 280 , 819 , 7224 , 1770 , 28533 , 4288 , 164063 , 493261 , 8268849 , 8065497 , 18523327 , 93221631 , 719025784 , 845018835 , 2328313872 , 7767821100
n×2
40256094
n×3
60384141
n×4
80512188
n×5
100640235
n÷2
10064023.5
n÷3
6709349
n÷3
5032011.75
n÷5
4025609.4
n2
405138276034209
n3
8.1546422615155E+21
n4
1.6413702270797E+29
n5
3.3037577075061E+36
2 √n
4486.4292037209
3 √n
272.01981815663
4 √n
66.980812205593
5 √n
28.890850540733
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128046
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128047 can be divided by 4 positive divisors.
The sum of these divisors (counting 20128047) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010000100101111
3
Ternary
1101212121111020
4
Quaternary
1030302010233
5
Quinary
20123044142
6
Senary
1555225223
8
Octal
114620457
10
Decimal
20128047
12
Duodecimal
68a8213
16
Hexadecimal
133212f
20
Vigesimal
65g027
36
Base36
bzewf
md5
6e6ef13f6abe2785bea345500cc1541f
sha1
3403fd0a1cc5f4a6573b91c188cab9bfce0db396
sha256
0e5bcf6c1023348f579eaa88a95d8aa46e6251f3a813f623f979aece5495f000
sha512
dc267a25bd40adace9d5f24b4936e6a25e1ab1accd8bc4b7c8cd13cbec2f15e6962b899efbcfe9f629d9e31c5e28177d33a9646de1d087ee118f4d6888b3a766
ripemd-160
9186572193dc26c2f026a5e38c6bfa28cdc57d4a
Diameter
40256094
Circumference
126468249.17262
Area
1.2727794316771E+15
Volume
3.4158085628573E+22
Surface area
5.0911177267084E+15
Circumference
126468249.17262
Perimeter
80512188
Area
405138276034209
Diagonal
28465357.051483
Surface area
2430829656205254
Volume
8.1546422615155E+21
Space diagonal
34862800.061134
Perimeter
60384141
Area
1.7543001954553E+14
Altitude
17431400.030567
Surface area
1.7543001954553E+14
Volume
9.6103380687801E+20
Height
9488452.3504944