257942740 is an even 9-digits composite number following 257942739
and preceding 257942741 . In scientific notation, it is written as 2.57942740 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 93797280 positive integers (up to 257942740) that are relatively prime to 257942740.
257942740 has 12 divisors, whose sum is 459607456
The reverse of 257942740 is 047249752
Previous prime number is 55
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred fifty-seven million nine hundred forty-two thousand seven hundred forty
Scientific notation
2.57942740 × 10^8
Engineering notation
2.57942740 × 10^6
Prime Factorization
2 × 2 × 55 × 1172467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128971370
Product of the distinct prime numbers
The prime factorization of 257942740 is 2 × 2 × 55 × 1172467.
Since it has a total of 4 prime factors.
3 , 4 , 56 , 21 , 615 , 42 , 6908 , 612 , 12735 , 58343 , 174410 , 978027 , 9983906 , 7475472 , 88580223 , 30119826 , 83358265 , 193772616 , 3092327241 , 9166177929
n×2
515885480
n×3
773828220
n×4
1031770960
n×5
1289713700
n÷2
128971370
n÷3
85980913.333333
n÷3
64485685
n÷5
51588548
n2
66534457118707600
n3
1.7162080173612E+25
n4
4.4268339840811E+33
n5
1.141869687379E+42
2 √n
16060.595879356
3 √n
636.562576601
4 √n
126.73040629366
5 √n
48.117678022894
1 , 2 , 4 , 55 , 110 , 220 , 1172467 , 2344934 , 4689868 , 64485685 , 128971370 , 257942740
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-257942739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 257942740 can be divided by 12 positive divisors.
The sum of these divisors (counting 257942740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111010111111110010011010100
3
Ternary
122222100211220211
4
Quaternary
33113332103110
5
Quinary
1012013131430
6
Senary
41332335204
8
Octal
1727762324
10
Decimal
257942740
12
Duodecimal
72474504
16
Hexadecimal
f5fe4d4
20
Vigesimal
40c2gh0
36
Base36
49klw4
md5
ed429c8fb3319b2e10e213c0f4b7d74e
sha1
71951a2acadd35293a7513c0fd12abd35db2c69e
sha256
a4f2a0294f2b53d06a86b8cd992cea7c2c6525c5fffc62e910949c3cc3ec1d07
sha512
6673d08cee9014db8a71a594dcd1b4cb61962b5aefe3035b585e82098b9ae47b69aa81b8243386de8d8f606c051611a64e43099a3846360cc783fe3ced75eb45
ripemd-160
2fbb01ce19562568568db44abbf8bd18688558a4
Diameter
515885480
Circumference
1620702034.0616
Area
2.0902416169472E+17
Volume
7.1888353324984E+25
Surface area
8.3609664677887E+17
Circumference
1620702034.0616
Perimeter
1031770960
Area
66534457118707600
Diagonal
364786121.22368
Surface area
399206742712245600
Volume
1.7162080173612E+25
Space diagonal
446769931.12353
Perimeter
773828220
Area
2.8810265045904E+16
Altitude
223384965.56176
Surface area
2.8810265045904E+16
Volume
2.0225705450047E+24
Height
121595373.74123