20147439 is an odd 8-digits composite number following 20147438
and preceding 20147440 . In scientific notation, it is written as 2.0147439 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12355296 positive integers (up to 20147439) that are relatively prime to 20147439.
20147439 has 16 divisors, whose sum is 29030400
The reverse of 20147439 is 93474102
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred forty-seven thousand four hundred thirty-nine
Scientific notation
2.0147439 × 10^7
Engineering notation
2.0147439 × 10^6
Prime Factorization
3 × 13 × 359 × 1439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20147439
Product of the distinct prime numbers
The prime factorization of 20147439 is 3 × 13 × 359 × 1439.
Since it has a total of 4 prime factors.
9 , 6 , 25 , 65 , 912 , 129 , 3396 , 1851 , 55591 , 84438 , 256624 , 438343 , 4219653 , 4172070 , 22837378 , 54947334 , 336213197 , 653990117 , 5981853557 , 7681767174
n×2
40294878
n×3
60442317
n×4
80589756
n×5
100737195
n÷2
10073719.5
n÷3
6715813
n÷3
5036859.75
n÷5
4029487.8
n2
405919298258721
n3
8.1782343005904E+21
n4
1.6477047669885E+29
n5
3.3197031282911E+36
2 √n
4488.5898676533
3 √n
272.10714762917
4 √n
66.996939240933
5 √n
28.896415269321
1 , 3 , 13 , 39 , 359 , 1077 , 1439 , 4317 , 4667 , 14001 , 18707 , 56121 , 516601 , 1549803 , 6715813 , 20147439
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
-20147438
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 20147439 can be divided by 16 positive divisors.
The sum of these divisors (counting 20147439) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110110011101111
3
Ternary
1101220121002110
4
Quaternary
1030312303233
5
Quinary
20124204224
6
Senary
1555455103
8
Octal
114666357
10
Decimal
20147439
12
Duodecimal
68b7493
16
Hexadecimal
1336cef
20
Vigesimal
65i8bj
36
Base36
bztv3
md5
efdf35aa0b13955b4b9e21d702466ebb
sha1
20d71cc16e730c1b8d74bf73df95849b49ea38bf
sha256
54f98936d26b0ce3e3fcec2388b178fa7593709282d215134ef99d7df720b714
sha512
87e4baf52d90ea7b549da79cc591fe99ea587b56d3279bdc813da8e0fe386c02a242c7d8b4b8692dbabc25e12cf57c936366e9ab549dfd3510f73bb89f9f3765
ripemd-160
2e711053ed6af5849fa294bfd54b4fcfdf47ee77
Diameter
40294878
Circumference
126590092.7021
Area
1.2752330853599E+15
Volume
3.4256907730761E+22
Surface area
5.1009323414397E+15
Circumference
126590092.7021
Perimeter
80589756
Area
405919298258721
Diagonal
28492781.480885
Surface area
2435515789552326
Volume
8.1782343005904E+21
Space diagonal
34896387.990395
Perimeter
60442317
Area
1.757682120892E+14
Altitude
17448193.995197
Surface area
1.757682120892E+14
Volume
9.6381415534665E+20
Height
9497593.8269615