20742757 is an odd 8-digits composite number following 20742756
and preceding 20742758 . In scientific notation, it is written as 2.0742757 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 17006352 positive integers (up to 20742757) that are relatively prime to 20742757.
20742757 has 8 divisors, whose sum is 24736896
The reverse of 20742757 is 75724702
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred forty-two thousand seven hundred fifty-seven
Scientific notation
2.0742757 × 10^7
Engineering notation
2.0742757 × 10^6
Prime Factorization
7 × 23 × 128837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20742757
Product of the distinct prime numbers
The prime factorization of 20742757 is 7 × 23 × 128837.
Since it has a total of 3 prime factors.
1 , 4 , 88 , 39 , 977 , 251 , 4149 , 1809 , 53414 , 87817 , 156760 , 708453 , 4564864 , 5835303 , 30796406 , 65828160 , 638966790 , 494564917 , 7737694245 , 4906772476
n×2
41485514
n×3
62228271
n×4
82971028
n×5
103713785
n÷2
10371378.5
n÷3
6914252.3333333
n÷3
5185689.25
n÷5
4148551.4
n2
430261967961049
n3
8.9248194477578E+21
n4
1.8512536107371E+29
n5
3.8400103792893E+36
2 √n
4554.4216976472
3 √n
274.76125615314
4 √n
67.486455660727
5 √n
29.065198675636
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
-20742756
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 20742757 can be divided by 8 positive divisors.
The sum of these divisors (counting 20742757) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111001000001001100101
3
Ternary
1110000211201021
4
Quaternary
1033020021211
5
Quinary
20302232012
6
Senary
2020331141
8
Octal
117101145
10
Decimal
20742757
12
Duodecimal
6b43ab1
16
Hexadecimal
13c8265
20
Vigesimal
69cghh
36
Base36
ccl7p
md5
dfd5a6984d8631839072763b30cdd6f4
sha1
b1a9b30174daa67b1a0d8139ac4dc18237ce2730
sha256
5dd74a5074dc3c28948dd45aff3506a8dfecf1f69abb9814eea737077653d8bf
sha512
2a047621c9a82681f42643da1e2e86ad4779079b4b568f095db5ae7ab14210023b9a8003c65e49e20c57474510d3c781ca429239ba128b6fd82135064c71b163
ripemd-160
d7418f10b1a60ce9d33014ffa7a60f63f9a68cf7
Diameter
41485514
Circumference
130330586.0128
Area
1.3517078376655E+15
Volume
3.7384196282255E+22
Surface area
5.4068313506621E+15
Circumference
130330586.0128
Perimeter
82971028
Area
430261967961049
Diagonal
29334688.270409
Surface area
2581571807766294
Volume
8.9248194477578E+21
Space diagonal
35927509.013055
Perimeter
62228271
Area
1.8630889726828E+14
Altitude
17963754.506527
Surface area
1.8630889726828E+14
Volume
1.0518000587292E+21
Height
9778229.4234698