20138779 is an odd 8-digits composite number following 20138778
and preceding 20138780 . In scientific notation, it is written as 2.0138779 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20115040 positive integers (up to 20138779) that are relatively prime to 20138779.
20138779 has 4 divisors, whose sum is 20162520
The reverse of 20138779 is 97783102
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred thirty-eight thousand seven hundred seventy-nine
Scientific notation
2.0138779 × 10^7
Engineering notation
2.0138779 × 10^6
Prime Factorization
881 × 22859
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138779
Product of the distinct prime numbers
The prime factorization of 20138779 is 881 × 22859.
Since it has a total of 2 prime factors.
2 , 6 , 94 , 53 , 927 , 363 , 1317 , 8722 , 7505 , 41739 , 629065 , 615852 , 3540784 , 9719191 , 17621674 , 17804292 , 185980716 , 464749861 , 7539296912 , 3953578716
n×2
40277558
n×3
60416337
n×4
80555116
n×5
100693895
n÷2
10069389.5
n÷3
6712926.3333333
n÷3
5034694.75
n÷5
4027755.8
n2
405570419610841
n3
8.16769304948E+21
n4
1.6448736526331E+29
n5
3.3125746973302E+36
2 √n
4487.6250957494
3 √n
272.06815531846
4 √n
66.989738734745
5 √n
28.893930725333
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
-20138778
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 20138779 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138779) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100101100011011
3
Ternary
1101220011012201
4
Quaternary
1030310230123
5
Quinary
20123420104
6
Senary
1555351031
8
Octal
114645433
10
Decimal
20138779
12
Duodecimal
68b2477
16
Hexadecimal
1334b1b
20
Vigesimal
65h6ij
36
Base36
bzn6j
md5
7815efbe8a73377ac9b9f24823449769
sha1
f2a75193093e4cf900bcf410fb06fbcbac183db3
sha256
7f886bf30f36f14493bad2bb23433dcec2ef4c6fefa30ddd5f5b22882d387c6f
sha512
3d409a5a393793d7c8813dcf010ca7222ea61e5a69c62d95c9568665b26800d445ff46d65f282a7151c1bd62a37dce92dbec612217d5d76e93846d54dbbffb1f
ripemd-160
ffc8d3637e5cec421e2e0b4f1e3f32b991118c6e
Diameter
40277558
Circumference
126535680.31734
Area
1.2741370507627E+15
Volume
3.4212752641364E+22
Surface area
5.096548203051E+15
Circumference
126535680.31734
Perimeter
80555116
Area
405570419610841
Diagonal
28480534.391434
Surface area
2433422517665046
Volume
8.16769304948E+21
Space diagonal
34881388.430401
Perimeter
60416337
Area
1.7561714320325E+14
Altitude
17440694.215201
Surface area
1.7561714320325E+14
Volume
9.6257185698959E+20
Height
9493511.4638115