20139478 is an even 8-digits composite number following 20139477
and preceding 20139479 . In scientific notation, it is written as 2.0139478 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10069738 positive integers (up to 20139478) that are relatively prime to 20139478.
20139478 has 4 divisors, whose sum is 30209220
The reverse of 20139478 is 87493102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred thirty-nine thousand four hundred seventy-eight
Scientific notation
2.0139478 × 10^7
Engineering notation
2.0139478 × 10^6
Prime Factorization
2 × 10069739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20139478
Product of the distinct prime numbers
The prime factorization of 20139478 is 2 × 10069739.
Since it has a total of 2 prime factors.
4 , 8 , 35 , 40 , 305 , 477 , 6117 , 3729 , 75855 , 76030 , 718699 , 685557 , 5621206 , 5002512 , 13587278 , 12421093 , 111509248 , 948422074 , 6419167333 , 1586096394
n×2
40278956
n×3
60418434
n×4
80557912
n×5
100697390
n÷2
10069739
n÷3
6713159.3333333
n÷3
5034869.5
n÷5
4027895.6
n2
405598574112484
n3
8.1685435601697E+21
n4
1.6451020332208E+29
n5
3.3131496205806E+36
2 √n
4487.702975911
3 √n
272.07130303396
4 √n
66.990320016484
5 √n
28.894131299332
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
-20139477
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 20139478 can be divided by 4 positive divisors.
The sum of these divisors (counting 20139478) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100110111010110
3
Ternary
1101220012011121
4
Quaternary
1030310313112
5
Quinary
20123430403
6
Senary
1555354154
8
Octal
114646726
10
Decimal
20139478
12
Duodecimal
68b295a
16
Hexadecimal
1334dd6
20
Vigesimal
65h8di
36
Base36
bznpy
md5
5df36a1b588e306f7628abaf304efcc2
sha1
ccfc8b02c39e171288e38c43c837fe3f8c3ce3f3
sha256
9ca9581f06d621aedee638d8c78375c975ab7ec1c7948031a7e77c1903fd10e8
sha512
4dc4cb2542a46b0ca73de45b6d3fb70c3b3e3c59327ccd28af93b807b0d2f4283ab6f44f151f6dc4a735599aff29854363794b21e66ef44bef3522b0fa9206d8
ripemd-160
7848cf78aa2ffe4146f0e468d3d8a2b1a7626f56
Diameter
40278956
Circumference
126540072.26387
Area
1.2742255007383E+15
Volume
3.421631525221E+22
Surface area
5.0969020029531E+15
Circumference
126540072.26387
Perimeter
80557912
Area
405598574112484
Diagonal
28481522.926715
Surface area
2433591444674904
Volume
8.1685435601697E+21
Space diagonal
34882599.133916
Perimeter
60418434
Area
1.7562933446008E+14
Altitude
17441299.566958
Surface area
1.7562933446008E+14
Volume
9.6267209063562E+20
Height
9493840.9755715