257942738 is an even 9-digits composite number following 257942737
and preceding 257942739 . In scientific notation, it is written as 2.57942738 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 127572480 positive integers (up to 257942738) that are relatively prime to 257942738.
257942738 has 16 divisors, whose sum is 391134744
The reverse of 257942738 is 837249752
Previous prime number is 197
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred fifty-seven million nine hundred forty-two thousand seven hundred thirty-eight
Scientific notation
2.57942738 × 10^8
Engineering notation
2.57942738 × 10^6
Prime Factorization
2 × 181 × 197 × 3617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
257942738
Product of the distinct prime numbers
The prime factorization of 257942738 is 2 × 181 × 197 × 3617.
Since it has a total of 4 prime factors.
10 , 4 , 84 , 6 , 700 , 207 , 4853 , 7337 , 14464 , 17660 , 833851 , 583528 , 1835247 , 7237418 , 33178614 , 17051568 , 828501314 , 938285717 , 1230262940 , 8098162036
n×2
515885476
n×3
773828214
n×4
1031770952
n×5
1289713690
n÷2
128971369
n÷3
85980912.666667
n÷3
64485684.5
n÷5
51588547.6
n2
66534456086936644
n3
1.7162079774405E+25
n4
4.4268338467845E+33
n5
1.1418696431107E+42
2 √n
16060.595817092
3 √n
636.56257495577
4 √n
126.730406048
5 √n
48.117677948277
1 , 2 , 181 , 197 , 362 , 394 , 3617 , 7234 , 35657 , 71314 , 654677 , 712549 , 1309354 , 1425098 , 128971369 , 257942738
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-257942737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 257942738 can be divided by 16 positive divisors.
The sum of these divisors (counting 257942738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111010111111110010011010010
3
Ternary
122222100211220202
4
Quaternary
33113332103102
5
Quinary
1012013131423
6
Senary
41332335202
8
Octal
1727762322
10
Decimal
257942738
12
Duodecimal
72474502
16
Hexadecimal
f5fe4d2
20
Vigesimal
40c2ggi
36
Base36
49klw2
md5
4e5ddcf09e62293d074aaa96d8bd5ada
sha1
c5a623db5df2620385346a6391abc9618ab93190
sha256
83ccee48a20e0ba5bedf20b144db32d0c5f0dfcbfc0a35ed5f218967113804f3
sha512
80cec7e435394a6f386e881ad7e5808795cba3f2a9a6958886ad95411a4de7657da58da19d007f4ff2ed55631bd05280527b5c8cc798a8fc308ad6662d810837
ripemd-160
8cd76cf6217b0f4194f9afc1416fa400d691bab9
Diameter
515885476
Circumference
1620702021.4953
Area
2.0902415845331E+17
Volume
7.1888351652791E+25
Surface area
8.3609663381325E+17
Circumference
1620702021.4953
Perimeter
1031770952
Area
66534456086936644
Diagonal
364786118.39525
Surface area
399206736521619864
Volume
1.7162079774405E+25
Space diagonal
446769927.65943
Perimeter
773828214
Area
2.8810264599134E+16
Altitude
223384963.82971
Surface area
2.8810264599134E+16
Volume
2.0225704979577E+24
Height
121595372.79842