20797745 is an odd 8-digits composite number following 20797744
and preceding 20797746 . In scientific notation, it is written as 2.0797745 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 15940800 positive integers (up to 20797745) that are relatively prime to 20797745.
20797745 has 16 divisors, whose sum is 26019840
The reverse of 20797745 is 54779702
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million seven hundred ninety-seven thousand seven hundred forty-five
Scientific notation
2.0797745 × 10^7
Engineering notation
2.0797745 × 10^6
Prime Factorization
31 × 5 × 109 × 1231
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20797745
Product of the distinct prime numbers
The prime factorization of 20797745 is 31 × 5 × 109 × 1231.
Since it has a total of 4 prime factors.
1 , 4 , 62 , 64 , 504 , 359 , 9221 , 4957 , 53529 , 92659 , 146747 , 566671 , 7106371 , 5016533 , 39303294 , 87965252 , 42065542 , 774610933 , 8977407269 , 355172368
n×2
41595490
n×3
62393235
n×4
83190980
n×5
103988725
n÷2
10398872.5
n÷3
6932581.6666667
n÷3
5199436.25
n÷5
4159549
n2
432546197085025
n3
8.9959855076941E+21
n4
1.8709621261272E+29
n5
3.8911793203851E+36
2 √n
4560.4544729665
3 √n
275.00383465727
4 √n
67.531137062591
5 √n
29.080592435463
1 , 5 , 31 , 109 , 155 , 545 , 1231 , 3379 , 6155 , 16895 , 38161 , 134179 , 190805 , 670895 , 4159549 , 20797745
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
-20797744
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 20797745 can be divided by 16 positive divisors.
The sum of these divisors (counting 20797745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010101100100110001
3
Ternary
1110010122010212
4
Quaternary
1033111210301
5
Quinary
20311011440
6
Senary
2021433505
8
Octal
117254461
10
Decimal
20797745
12
Duodecimal
6b6b895
16
Hexadecimal
13d5931
20
Vigesimal
69je75
36
Base36
cdrn5
md5
43a1c91e3a2288b80513dd8d558e2da4
sha1
6f5b69bb541af28131a248a8fdff94e96adc888c
sha256
d4e12f7d7efc5e885bdb1fa450ec49a3a7bb0c915ad593ac6950b556ffc87eba
sha512
cb01265e6664816289394dba057f6428dff63f4af59cfeaadd40d3dfa95acfec55f6bebf943b9356e499c582d1c520d417ad956994a0ce9152edb2786d6da16c
ripemd-160
12ff0aaea80175dab3a88a4a1fef66af4ea6d004
Diameter
41595490
Circumference
130676085.80647
Area
1.3588839551005E+15
Volume
3.7682295977029E+22
Surface area
5.4355358204021E+15
Circumference
130676085.80647
Perimeter
83190980
Area
432546197085025
Diagonal
29412453.045777
Surface area
2595277182510150
Volume
8.9959855076941E+21
Space diagonal
36022751.022862
Perimeter
62393235
Area
1.8729799749299E+14
Altitude
18011375.511431
Surface area
1.8729799749299E+14
Volume
1.0601870593244E+21
Height
9804151.0152591