20138771 is an odd 8-digits composite number following 20138770
and preceding 20138772 . In scientific notation, it is written as 2.0138771 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 19980072 positive integers (up to 20138771) that are relatively prime to 20138771.
20138771 has 4 divisors, whose sum is 20297472
The reverse of 20138771 is 17783102
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred thirty-eight thousand seven hundred seventy-one
Scientific notation
2.0138771 × 10^7
Engineering notation
2.0138771 × 10^6
Prime Factorization
127 × 158573
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138771
Product of the distinct prime numbers
The prime factorization of 20138771 is 127 × 158573.
Since it has a total of 2 prime factors.
5 , 3 , 84 , 71 , 543 , 255 , 1365 , 2677 , 28990 , 51933 , 994206 , 373969 , 6205529 , 5835107 , 57081841 , 19705083 , 963164390 , 433646350 , 2068278723 , 4137522413
n×2
40277542
n×3
60416313
n×4
80555084
n×5
100693855
n÷2
10069385.5
n÷3
6712923.6666667
n÷3
5034692.75
n÷5
4027754.2
n2
405570097390441
n3
8.1676833157938E+21
n4
1.6448710389729E+29
n5
3.3125681178408E+36
2 √n
4487.6242044093
3 √n
272.06811929268
4 √n
66.989732081934
5 √n
28.893928429747
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
-20138770
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 20138771 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138771) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100101100010011
3
Ternary
1101220011012102
4
Quaternary
1030310230103
5
Quinary
20123420041
6
Senary
1555351015
8
Octal
114645423
10
Decimal
20138771
12
Duodecimal
68b246b
16
Hexadecimal
1334b13
20
Vigesimal
65h6ib
36
Base36
bzn6b
md5
b1d19c441aefc9d4f13e5752715a7464
sha1
7ab6a26025691567f4d16b34cc33115b811a2934
sha256
7dbe132c620842306d7b70fdf2c3ad5d8acb7647938722439350fe15bf63cd6a
sha512
55fa9ef5eaa4a09b360f30ded354d5985f944253310fbdb84d3fdc05636e3064d8a1c3d328f6510d5ca3d2f409743adc53f84b4a606a8038f9cae4e8e551eeae
ripemd-160
57d1454e7ce299a03a1f020ff982bb0c0a510fd4
Diameter
40277542
Circumference
126535630.05185
Area
1.2741360384775E+15
Volume
3.4212711868994E+22
Surface area
5.09654415391E+15
Circumference
126535630.05185
Perimeter
80555084
Area
405570097390441
Diagonal
28480523.077726
Surface area
2433420584342646
Volume
8.1676833157938E+21
Space diagonal
34881374.573995
Perimeter
60416313
Area
1.7561700367773E+14
Altitude
17440687.286997
Surface area
1.7561700367773E+14
Volume
9.6257070986367E+20
Height
9493507.6925753