20797551 is an odd 8-digits composite number following 20797550
and preceding 20797552 . In scientific notation, it is written as 2.0797551 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 13803120 positive integers (up to 20797551) that are relatively prime to 20797551.
20797551 has 8 divisors, whose sum is 23211600
The reverse of 20797551 is 15579702
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred ninety-seven thousand five hundred fifty-one
Scientific notation
2.0797551 × 10^7
Engineering notation
2.0797551 × 10^6
Prime Factorization
9 × 229 × 10091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20797551
Product of the distinct prime numbers
The prime factorization of 20797551 is 9 × 229 × 10091.
Since it has a total of 3 prime factors.
3 , 4 , 66 , 39 , 217 , 659 , 1082 , 1990 , 84071 , 98632 , 713429 , 587982 , 4930716 , 9775723 , 38768939 , 92282476 , 472799406 , 643738882 , 6446734421 , 321176440
n×2
41595102
n×3
62392653
n×4
83190204
n×5
103987755
n÷2
10398775.5
n÷3
6932517
n÷3
5199387.75
n÷5
4159510.2
n2
432538127597601
n3
8.9957337681556E+21
n4
1.8708923182564E+29
n5
3.8909978404445E+36
2 √n
4560.4332031069
3 √n
275.00297958204
4 √n
67.530979580537
5 √n
29.080538182889
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797550
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797551 can be divided by 8 positive divisors.
The sum of these divisors (counting 20797551) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101100001101111
3
Ternary
1110010121212200
4
Quaternary
1033111201233
5
Quinary
20311010201
6
Senary
2021432543
8
Octal
117254157
10
Decimal
20797551
12
Duodecimal
6b6b753
16
Hexadecimal
13d586f
20
Vigesimal
69jdhb
36
Base36
cdrhr
md5
9d8c5c64e1333e1e2e34a6eea2986d14
sha1
7edf888a8ec1b3d70e139565ff9272bd4f9cf32a
sha256
8707ea907ac4ac873777d35923f58fb06c4aaf0956ac06f265b3a286dac82cc6
sha512
2d1bcb45e7b52b06578c0d537242535bfd8d3d743161acdca339921706c725e22d49821a6b035510a0fe5a331e498d42102259aee1107db6fb09a65aa2ab3f6a
ripemd-160
34e163cd1cfd28aa2e463804c7b8796d7c47b833
Diameter
41595102
Circumference
130674866.86852
Area
1.3588586040581E+15
Volume
3.7681241492916E+22
Surface area
5.4354344162324E+15
Circumference
130674866.86852
Perimeter
83190204
Area
432538127597601
Diagonal
29412178.688346
Surface area
2595228765585606
Volume
8.9957337681556E+21
Space diagonal
36022415.005005
Perimeter
62392653
Area
1.8729450330244E+14
Altitude
18011207.502502
Surface area
1.8729450330244E+14
Volume
1.0601573915353E+21
Height
9804059.562782