20745690 is an even 8-digits composite number following 20745689
and preceding 20745691 . In scientific notation, it is written as 2.0745690 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 4709952 positive integers (up to 20745690) that are relatively prime to 20745690.
20745690 has 16 divisors, whose sum is 31627008
The reverse of 20745690 is 09654702
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million seven hundred forty-five thousand six hundred ninety
Scientific notation
2.0745690 × 10^7
Engineering notation
2.0745690 × 10^6
Prime Factorization
2 × 105 × 223 × 443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20745690
Product of the distinct prime numbers
The prime factorization of 20745690 is 2 × 105 × 223 × 443.
Since it has a total of 4 prime factors.
10 , 9 , 15 , 15 , 222 , 296 , 1946 , 6996 , 57805 , 36048 , 16696 , 888709 , 2914840 , 5522763 , 24169134 , 38269754 , 454803673 , 920791094 , 1441542386 , 9837002397
n×2
41491380
n×3
62237070
n×4
82982760
n×5
103728450
n÷2
10372845
n÷3
6915230
n÷3
5186422.5
n÷5
4149138
n2
430383653576100
n3
8.9286058581572E+21
n4
1.8523008926551E+29
n5
3.8427260105746E+36
2 √n
4554.7436810429
3 √n
274.77420584258
4 √n
67.488841159431
5 √n
29.066020585728
1 , 2 , 105 , 210 , 223 , 443 , 446 , 886 , 23415 , 46515 , 46830 , 93030 , 98789 , 197578 , 10372845 , 20745690
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
-20745689
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 20745690 can be divided by 16 positive divisors.
The sum of these divisors (counting 20745690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111001000110111011010
3
Ternary
1110000222201220
4
Quaternary
1033020313122
5
Quinary
20302330230
6
Senary
2020352510
8
Octal
117106732
10
Decimal
20745690
12
Duodecimal
6b45736
16
Hexadecimal
13c8dda
20
Vigesimal
69d44a
36
Base36
ccnh6
md5
90757fbbbfbc30f844d7df54e881092a
sha1
41210fb75e554cff0b24f7f242695c769259d88b
sha256
72a833cc39a4fdb8798302fc3b6e25e7e9033a0754deb281f0a8c95d885cd8d7
sha512
ddbf3c3ab0144b05607019ff6a6ac8b2cb7344121654e12214b6d14e66630ac4d1d0afee8f31804c5d2566cb8024f55bc5bc902871be0df473b7fb043a043352
ripemd-160
b3646b6264225371d1aee46e6409256a2e452059
Diameter
41491380
Circumference
130349014.5953
Area
1.3520901242998E+15
Volume
3.7400056761047E+22
Surface area
5.4083604971992E+15
Circumference
130349014.5953
Perimeter
82982760
Area
430383653576100
Diagonal
29338836.158788
Surface area
2582301921456600
Volume
8.9286058581572E+21
Space diagonal
35932589.118074
Perimeter
62237070
Area
1.8636158868523E+14
Altitude
17966294.559037
Surface area
1.8636158868523E+14
Volume
1.0522462914741E+21
Height
9779612.0529293