20797245 is an odd 8-digits composite number following 20797244
and preceding 20797246 . In scientific notation, it is written as 2.0797245 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 9400320 positive integers (up to 20797245) that are relatively prime to 20797245.
20797245 has 16 divisors, whose sum is 24570624
The reverse of 20797245 is 54279702
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred ninety-seven thousand two hundred forty-five
Scientific notation
2.0797245 × 10^7
Engineering notation
2.0797245 × 10^6
Prime Factorization
45 × 7 × 103 × 641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20797245
Product of the distinct prime numbers
The prime factorization of 20797245 is 45 × 7 × 103 × 641.
Since it has a total of 4 prime factors.
1 , 1 , 54 , 8 , 343 , 164 , 2766 , 6301 , 99592 , 55070 , 451614 , 535747 , 7841858 , 2299177 , 5486795 , 33316187 , 499572081 , 513490188 , 835070623 , 7567390041
n×2
41594490
n×3
62391735
n×4
83188980
n×5
103986225
n÷2
10398622.5
n÷3
6932415
n÷3
5199311.25
n÷5
4159449
n2
432525399590025
n3
8.9953367039966E+21
n4
1.8707822129051E+29
n5
3.890711602343E+36
2 √n
4560.3996535391
3 √n
275.00163084432
4 √n
67.530731178769
5 √n
29.080452608419
1 , 7 , 45 , 103 , 315 , 641 , 721 , 4487 , 4635 , 28845 , 32445 , 66023 , 201915 , 462161 , 2971035 , 20797245
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
-20797244
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 20797245 can be divided by 16 positive divisors.
The sum of these divisors (counting 20797245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010101011100111101
3
Ternary
1110010121110100
4
Quaternary
1033111130331
5
Quinary
20311002440
6
Senary
2021431313
8
Octal
117253475
10
Decimal
20797245
12
Duodecimal
6b6b539
16
Hexadecimal
13d573d
20
Vigesimal
69jd25
36
Base36
cdr99
md5
35dcd679fab411ec30bafb61b422f33a
sha1
baff992d4f1a1b27cb17a30043c60108106e8b56
sha256
27cdab89a98419946cc94d4c28b52db7644e25c76495722db6a262db98d4083d
sha512
b37e5e5e7ac28bbc08337c8ac81d3aff652ebbdaa67540d82306fb0c34498cfd135f0235f08c41ffa4f354622b87dbd3102d2fe3a837ec80c14db3f2aea1900e
ripemd-160
9f09245e411f63adb081eee6f028d29d62b5f9e5
Diameter
41594490
Circumference
130672944.21381
Area
1.358818617843E+15
Volume
3.7679578274457E+22
Surface area
5.435274471372E+15
Circumference
130672944.21381
Perimeter
83188980
Area
432525399590025
Diagonal
29411745.938996
Surface area
2595152397540150
Volume
8.9953367039966E+21
Space diagonal
36021884.997458
Perimeter
62391735
Area
1.8728899191349E+14
Altitude
18010942.498729
Surface area
1.8728899191349E+14
Volume
1.0601105970754E+21
Height
9803915.3129987