20138660 is an even 8-digits composite number following 20138659
and preceding 20138661 . In scientific notation, it is written as 2.0138660 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 8055456 positive integers (up to 20138660) that are relatively prime to 20138660.
20138660 has 12 divisors, whose sum is 42291228
The reverse of 20138660 is 06683102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty-eight thousand six hundred sixty
Scientific notation
2.0138660 × 10^7
Engineering notation
2.0138660 × 10^6
Prime Factorization
2 × 2 × 5 × 1006933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10069330
Product of the distinct prime numbers
The prime factorization of 20138660 is 2 × 2 × 5 × 1006933.
Since it has a total of 4 prime factors.
8 , 6 , 18 , 35 , 876 , 17 , 6160 , 786 , 62364 , 98992 , 300338 , 703111 , 3032658 , 99792 , 5513696 , 38464054 , 443658695 , 351542084 , 8533544983 , 2994564323
n×2
40277320
n×3
60415980
n×4
80554640
n×5
100693300
n÷2
10069330
n÷3
6712886.6666667
n÷3
5034665
n÷5
4027732
n2
405565626595600
n3
8.1675482616957E+21
n4
1.6448347747588E+29
n5
3.3124768285044E+36
2 √n
4487.6118370465
3 √n
272.06761943403
4 √n
66.989639773972
5 √n
28.893896578418
1 , 2 , 4 , 5 , 10 , 20 , 1006933 , 2013866 , 4027732 , 5034665 , 10069330 , 20138660
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138659
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138660 can be divided by 12 positive divisors.
The sum of these divisors (counting 20138660) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100101010100100
3
Ternary
1101220011001022
4
Quaternary
1030310222210
5
Quinary
20123414120
6
Senary
1555350312
8
Octal
114645244
10
Decimal
20138660
12
Duodecimal
68b2398
16
Hexadecimal
1334aa4
20
Vigesimal
65h6d0
36
Base36
bzn38
md5
18a94d282aedc94359aec59dfcabe3d8
sha1
131003b230c69a677923e90a5d49226ea37aae74
sha256
f98e88d4239c76a5378ebb9fb54707b758defc3ea0134e212bf7514e91da813c
sha512
b662192ba8bb32a36dff9eda34af81c5905940627d6e763f66d48ffcd5c95cb4eb612996c2ffdfbf44e40d8df63febf1c8b5ed68675edce64c03fddda418ac4b
ripemd-160
c3b7bed11b7023e1066b0935e5f5db6c1a84e231
Diameter
40277320
Circumference
126534932.61829
Area
1.2741219930613E+15
Volume
3.4212146155711E+22
Surface area
5.0964879722451E+15
Circumference
126534932.61829
Perimeter
80554640
Area
405565626595600
Diagonal
28480366.100021
Surface area
2433393759573600
Volume
8.1675482616957E+21
Space diagonal
34881182.316355
Perimeter
60415980
Area
1.7561506776677E+14
Altitude
17440591.158178
Surface area
1.7561506776677E+14
Volume
9.6255479358558E+20
Height
9493455.3666735