20749086 is an even 8-digits composite number following 20749085
and preceding 20749087 . In scientific notation, it is written as 2.0749086 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6865776 positive integers (up to 20749086) that are relatively prime to 20749086.
20749086 has 16 divisors, whose sum is 34834800
The reverse of 20749086 is 68094702
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred forty-nine thousand eighty-six
Scientific notation
2.0749086 × 10^7
Engineering notation
2.0749086 × 10^6
Prime Factorization
2 × 9 × 139 × 8293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20749086
Product of the distinct prime numbers
The prime factorization of 20749086 is 2 × 9 × 139 × 8293.
Since it has a total of 4 prime factors.
2 , 3 , 37 , 94 , 37 , 300 , 3013 , 896 , 54002 , 77129 , 93616 , 612193 , 1070493 , 7183523 , 63765524 , 99954023 , 91724652 , 418722631 , 939425676 , 540080132
n×2
41498172
n×3
62247258
n×4
82996344
n×5
103745430
n÷2
10374543
n÷3
6916362
n÷3
5187271.5
n÷5
4149817.2
n2
430524569835396
n3
8.9329913246276E+21
n4
1.8535140523195E+29
n5
3.8458722473786E+36
2 √n
4555.1164639337
3 √n
274.78919823041
4 √n
67.491602914242
5 √n
29.066972125476
1 , 2 , 9 , 18 , 139 , 278 , 1251 , 2502 , 8293 , 16586 , 74637 , 149274 , 1152727 , 2305454 , 10374543 , 20749086
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
-20749085
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 20749086 can be divided by 16 positive divisors.
The sum of these divisors (counting 20749086) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111001001101100011110
3
Ternary
1110001011101200
4
Quaternary
1033021230132
5
Quinary
20302432321
6
Senary
2020420330
8
Octal
117115436
10
Decimal
20749086
12
Duodecimal
6b476a6
16
Hexadecimal
13c9b1e
20
Vigesimal
69dce6
36
Base36
ccq3i
md5
650ed22db2bee7c47cbd1fa3c3f376e8
sha1
35d1560dd8b4c40f43d8c1e10cb499dea8582973
sha256
3bbc5d5d43f427b11c5ecdf912869f9b9d672ec3114859ef064c54e02683b6d6
sha512
a751309aedf4e58d15c07aeebf614161c20d8060b84a9f6cf0dd3e8938bacb1cce681f49b86f7101ec5e248cec1a83635e4843e0343265e215422e878dc7d02c
ripemd-160
105c5589a2711fbf5e6fc2f29ccfeca0f3267e7e
Diameter
41498172
Circumference
130370352.29261
Area
1.3525328257848E+15
Volume
3.7418426560042E+22
Surface area
5.4101313031391E+15
Circumference
130370352.29261
Perimeter
82996344
Area
430524569835396
Diagonal
29343638.828046
Surface area
2583147419012376
Volume
8.9329913246276E+21
Space diagonal
35938471.162616
Perimeter
62247258
Area
1.8642260721541E+14
Altitude
17969235.581308
Surface area
1.8642260721541E+14
Volume
1.0527631236541E+21
Height
9781212.9426819