20942690 is an even 8-digits composite number following 20942689
and preceding 20942691 . In scientific notation, it is written as 2.0942690 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8344176 positive integers (up to 20942690) that are relatively prime to 20942690.
20942690 has 16 divisors, whose sum is 37844928
The reverse of 20942690 is 09624902
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred forty-two thousand six hundred ninety
Scientific notation
2.0942690 × 10^7
Engineering notation
2.0942690 × 10^6
Prime Factorization
2 × 5 × 263 × 7963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20942690
Product of the distinct prime numbers
The prime factorization of 20942690 is 2 × 5 × 263 × 7963.
Since it has a total of 4 prime factors.
4 , 1 , 27 , 56 , 283 , 313 , 6451 , 8181 , 46581 , 56891 , 399775 , 414111 , 8432358 , 3905647 , 57912539 , 58317471 , 169041546 , 785561957 , 6385757263 , 4200332300
n×2
41885380
n×3
62828070
n×4
83770760
n×5
104713450
n÷2
10471345
n÷3
6980896.6666667
n÷3
5235672.5
n÷5
4188538
n2
438596264436100
n3
9.1853856012433E+21
n4
1.923666831773E+29
n5
4.0286758121104E+36
2 √n
4576.3183892732
3 √n
275.64121446905
4 √n
67.648491404267
5 √n
29.121013980636
1 , 2 , 5 , 10 , 263 , 526 , 1315 , 2630 , 7963 , 15926 , 39815 , 79630 , 2094269 , 4188538 , 10471345 , 20942690
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
-20942689
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 20942690 can be divided by 16 positive divisors.
The sum of these divisors (counting 20942690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111111000111101100010
3
Ternary
1110101222222012
4
Quaternary
1033320331202
5
Quinary
20330131230
6
Senary
2024512522
8
Octal
117707542
10
Decimal
20942690
12
Duodecimal
701b742
16
Hexadecimal
13f8f62
20
Vigesimal
6ahgea
36
Base36
cgvhe
md5
cea761ccea45f81798fbe04d4c344939
sha1
ed85787f029e9e0d31bb9b5d2247b3df50aecd91
sha256
4d50ef793fa06c9b2cd087f229843af4f9f394174375fb41223edc5c6c211f1a
sha512
aaf1d6f34b9d4e6937ebd6060c32f3e587baab1e2d6c7ae3826473711181e3d1172e4ac42a065f62575b924dbb088683978ff0423207f7fcd5397396cbb6997b
ripemd-160
369656cc4fff26def527a457483c017bddc01511
Diameter
41885380
Circumference
131586802.10082
Area
1.3778908022444E+15
Volume
3.8475653233674E+22
Surface area
5.5115632089775E+15
Circumference
131586802.10082
Perimeter
83770760
Area
438596264436100
Diagonal
29617436.230575
Surface area
2631577586616600
Volume
9.1853856012433E+21
Space diagonal
36273803.127165
Perimeter
62828070
Area
1.8991775350331E+14
Altitude
18136901.563582
Surface area
1.8991775350331E+14
Volume
1.0825080744087E+21
Height
9872478.7435251