257942739 is an odd 9-digits composite number following 257942738
and preceding 257942740 . In scientific notation, it is written as 2.57942739 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 171961824 positive integers (up to 257942739) that are relatively prime to 257942739.
257942739 has 4 divisors, whose sum is 343923656
The reverse of 257942739 is 937249752
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
two hundred fifty-seven million nine hundred forty-two thousand seven hundred thirty-nine
Scientific notation
2.57942739 × 10^8
Engineering notation
2.57942739 × 10^6
Prime Factorization
3 × 85980913
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
257942739
Product of the distinct prime numbers
The prime factorization of 257942739 is 3 × 85980913.
Since it has a total of 2 prime factors.
5 , 9 , 41 , 78 , 872 , 547 , 2625 , 9318 , 56362 , 36720 , 31573 , 445634 , 8938483 , 2124072 , 81635313 , 30950302 , 241766711 , 904371872 , 7559704523 , 3240299126
n×2
515885478
n×3
773828217
n×4
1031770956
n×5
1289713695
n÷2
128971369.5
n÷3
85980913
n÷3
64485684.75
n÷5
51588547.8
n2
66534456602822121
n3
1.7162079974009E+25
n4
4.4268339154328E+33
n5
1.1418696652448E+42
2 √n
16060.595848224
3 √n
636.56257577838
4 √n
126.73040617083
5 √n
48.117677985585
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-257942738
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 257942739 can be divided by 4 positive divisors.
The sum of these divisors (counting 257942739) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111010111111110010011010011
3
Ternary
122222100211220210
4
Quaternary
33113332103103
5
Quinary
1012013131424
6
Senary
41332335203
8
Octal
1727762323
10
Decimal
257942739
12
Duodecimal
72474503
16
Hexadecimal
f5fe4d3
20
Vigesimal
40c2ggj
36
Base36
49klw3
md5
1fbb9fd5c8da95d842dbb7f1255c46d3
sha1
9fb03226fab54b5414abbf442d8cabbfb16391b3
sha256
41a741ade640948ab3bfcab8c879a5c9fd6b0f4968c3b3988915698c921d238b
sha512
6118779524f4a88fac1a45fafd0f083a290356c9eedb6960375edbfc9a9bc1136578a7fff889ae6dacd82dd92f11c695a116b91698c4153e6b4f675b3df87944
ripemd-160
84c00bc65db0c0e20b6daf5bcc198a43f1d730ef
Diameter
515885478
Circumference
1620702027.7785
Area
2.0902416007401E+17
Volume
7.1888352488888E+25
Surface area
8.3609664029606E+17
Circumference
1620702027.7785
Perimeter
1031770956
Area
66534456602822121
Diagonal
364786119.80946
Surface area
399206739616932726
Volume
1.7162079974009E+25
Space diagonal
446769929.39148
Perimeter
773828217
Area
2.8810264822519E+16
Altitude
223384964.69574
Surface area
2.8810264822519E+16
Volume
2.0225705214812E+24
Height
121595373.26982