20457849 is an odd 8-digits composite number following 20457848
and preceding 20457850 . In scientific notation, it is written as 2.0457849 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13546736 positive integers (up to 20457849) that are relatively prime to 20457849.
20457849 has 8 divisors, whose sum is 27460800
The reverse of 20457849 is 94875402
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million four hundred fifty-seven thousand eight hundred forty-nine
Scientific notation
2.0457849 × 10^7
Engineering notation
2.0457849 × 10^6
Prime Factorization
3 × 149 × 45767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20457849
Product of the distinct prime numbers
The prime factorization of 20457849 is 3 × 149 × 45767.
Since it has a total of 3 prime factors.
8 , 8 , 18 , 98 , 980 , 134 , 9351 , 8526 , 36854 , 35704 , 225577 , 700611 , 8155147 , 5356827 , 80712429 , 82558859 , 796392730 , 776490588 , 5832291753 , 8885174608
n×2
40915698
n×3
61373547
n×4
81831396
n×5
102289245
n÷2
10228924.5
n÷3
6819283
n÷3
5114462.25
n÷5
4091569.8
n2
418523585706801
n3
8.5620923193283E+21
n4
1.7516199179288E+29
n5
3.5834375786379E+36
2 √n
4523.0353746129
3 √n
273.49747609986
4 √n
67.253515704481
5 √n
28.98491250623
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
-20457848
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 20457849 can be divided by 8 positive divisors.
The sum of these divisors (counting 20457849) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000010100101111001
3
Ternary
1102111100220010
4
Quaternary
1032002211321
5
Quinary
20214122344
6
Senary
2010252133
8
Octal
116024571
10
Decimal
20457849
12
Duodecimal
6a27049
16
Hexadecimal
1382979
20
Vigesimal
67h4c9
36
Base36
c6hdl
md5
50a1aed66891b11d3c73081ce5524fc4
sha1
d97c23a1971be2e37e2c7149ecd7660065818e3e
sha256
ab7d6d3c35be669dc154d5a5ef2c5503093442136546f31bd075fe8fc9a45217
sha512
662ddf0db23da6167ec5b4e210c2b333ce5009359a5347b15959856626d1936625efb86d5deb02ca07c3291a073ec055578966e273a21134a6cd362e9e960003
ripemd-160
a70843281093cab6411c0b28ad782d9672980a6c
Diameter
40915698
Circumference
128540456.2533
Area
1.3148306222105E+15
Volume
3.5864808439679E+22
Surface area
5.2593224888422E+15
Circumference
128540456.2533
Perimeter
81831396
Area
418523585706801
Diagonal
28931767.512781
Surface area
2511141514240806
Volume
8.5620923193283E+21
Space diagonal
35434033.881572
Perimeter
61373547
Area
1.8122602865252E+14
Altitude
17717016.940786
Surface area
1.8122602865252E+14
Volume
1.0090522566904E+21
Height
9643922.5042603