20681748 is an even 8-digits composite number following 20681747
and preceding 20681749 . In scientific notation, it is written as 2.0681748 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors.
There are 6893904 positive integers (up to 20681748) that are relatively prime to 20681748.
20681748 has 18 divisors, whose sum is 52278954
The reverse of 20681748 is 84718602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-one thousand seven hundred forty-eight
Scientific notation
2.0681748 × 10^7
Engineering notation
2.0681748 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 574493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3446958
Product of the distinct prime numbers
The prime factorization of 20681748 is 2 × 2 × 3 × 3 × 574493.
Since it has a total of 5 prime factors.
8 , 3 , 13 , 40 , 330 , 307 , 3087 , 1628 , 93530 , 58952 , 64367 , 633582 , 37215 , 1558957 , 53539452 , 5850334 , 535735580 , 134203232 , 6139476100 , 4488056618
n×2
41363496
n×3
62045244
n×4
82726992
n×5
103408740
n÷2
10340874
n÷3
6893916
n÷3
5170437
n÷5
4136349.6
n2
427734700335504
n3
8.8463012831944E+21
n4
1.829569738711E+29
n5
3.7838700284447E+36
2 √n
4547.7189886799
3 √n
274.49161390567
4 √n
67.436777715724
5 √n
29.048081099715
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 574493 , 1148986 , 1723479 , 2297972 , 3446958 , 5170437 , 6893916 , 10340874 , 20681748
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20681747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20681748 can be divided by 18 positive divisors.
The sum of these divisors (counting 20681748) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001110111001010000010100
3
Ternary
1102220202000200
4
Quaternary
1032321100110
5
Quinary
20243303443
6
Senary
2015140500
8
Octal
116712024
10
Decimal
20681748
12
Duodecimal
6b14730
16
Hexadecimal
13b9414
20
Vigesimal
695478
36
Base36
cba50
md5
2d4f2ccac1a98545d5964ae30fa34ed7
sha1
384cc9dfb4bbfa7991b7f9239bc713a09d2515f2
sha256
33c22fd4d0f531c3a07caffbef03fcbb6819fdd0c4e34aa0da1908994810c0ba
sha512
bfb5b6af0feb31eff2b370d12530cce652101cffa959c0171ee82de5b2b6d72e0c22e0a61e65f44665ea664b320f490607dc7750fe2467cdd9766b05bb19a4fa
ripemd-160
12c5506457295137eab3705b435b816a54619216
Diameter
41363496
Circumference
129947255.16039
Area
1.3437681922595E+15
Volume
3.7055300163634E+22
Surface area
5.3750727690378E+15
Circumference
129947255.16039
Perimeter
82726992
Area
427734700335504
Diagonal
29248408.515183
Surface area
2566408202013024
Volume
8.8463012831944E+21
Space diagonal
35821838.325336
Perimeter
62045244
Area
1.8521455828534E+14
Altitude
17910919.162668
Surface area
1.8521455828534E+14
Volume
1.0425466042943E+21
Height
9749469.5050609