20507757 is an odd 8-digits composite number following 20507756
and preceding 20507758 . In scientific notation, it is written as 2.0507757 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13653360 positive integers (up to 20507757) that are relatively prime to 20507757.
20507757 has 8 divisors, whose sum is 27380640
The reverse of 20507757 is 75770502
Previous prime number is 811
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million five hundred seven thousand seven hundred fifty-seven
Scientific notation
2.0507757 × 10^7
Engineering notation
2.0507757 × 10^6
Prime Factorization
3 × 811 × 8429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20507757
Product of the distinct prime numbers
The prime factorization of 20507757 is 3 × 811 × 8429.
Since it has a total of 3 prime factors.
10 , 6 , 81 , 90 , 876 , 469 , 7 , 1336 , 53806 , 49284 , 149974 , 599124 , 5431788 , 9700123 , 40781921 , 15137665 , 397110350 , 815607908 , 7261941656 , 6627553911
n×2
41015514
n×3
61523271
n×4
82031028
n×5
102538785
n÷2
10253878.5
n÷3
6835919
n÷3
5126939.25
n÷5
4101551.4
n2
420568097171049
n3
8.6249083387363E+21
n4
1.7687752435808E+29
n5
3.627361288297E+36
2 √n
4528.5491053979
3 √n
273.71969932131
4 √n
67.294495357331
5 √n
28.999040770387
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
-20507756
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 20507757 can be divided by 8 positive divisors.
The sum of these divisors (counting 20507757) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001110110001101101
3
Ternary
1102120220100120
4
Quaternary
1032032301231
5
Quinary
20222222012
6
Senary
2011315153
8
Octal
116166155
10
Decimal
20507757
12
Duodecimal
6a4bab9
16
Hexadecimal
138ec6d
20
Vigesimal
68397h
36
Base36
c7jvx
md5
1f4c3facc410cffd859a3e8701a4912b
sha1
67a754567622dc5121a00c693ccc3336f10093d9
sha256
7ae283d1c5f8a8ca0220a6fb506191e952bf94f22e5766df9ec4f9825e8487e8
sha512
519b20a467c38d321eb4b6c326d6179336d479d40167f9f4d8e118fa767c3dae2eadf31928f7073b7b7eb5f146e3d7a8fa5b0080ab66e388f04712a3730bdd89
ripemd-160
62033b4da616c91d50f18f369d5a2882f451d884
Diameter
41015514
Circumference
128854037.46561
Area
1.3212536444068E+15
Volume
3.6127931566479E+22
Surface area
5.2850145776272E+15
Circumference
128854037.46561
Perimeter
82031028
Area
420568097171049
Diagonal
29002348.083252
Surface area
2523408583026294
Volume
8.6249083387363E+21
Space diagonal
35520477.073276
Perimeter
61523271
Area
1.8211132808571E+14
Altitude
17760238.536638
Surface area
1.8211132808571E+14
Volume
1.0164551955721E+21
Height
9667449.3610839