257642740 is an even 9-digits composite number following 257642739
and preceding 257642741 . In scientific notation, it is written as 2.57642740 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 103057088 positive integers (up to 257642740) that are relatively prime to 257642740.
257642740 has 12 divisors, whose sum is 541049796
The reverse of 257642740 is 047246752
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred fifty-seven million six hundred forty-two thousand seven hundred forty
Scientific notation
2.57642740 × 10^8
Engineering notation
2.57642740 × 10^6
Prime Factorization
2 × 2 × 5 × 12882137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128821370
Product of the distinct prime numbers
The prime factorization of 257642740 is 2 × 2 × 5 × 12882137.
Since it has a total of 4 prime factors.
4 , 9 , 41 , 92 , 299 , 854 , 7735 , 7719 , 61432 , 12524 , 659882 , 557371 , 2334074 , 1654274 , 7940352 , 6300588 , 967823630 , 345644462 , 8696365464 , 4772166648
n×2
515285480
n×3
772928220
n×4
1030570960
n×5
1288213700
n÷2
128821370
n÷3
85880913.333333
n÷3
64410685
n÷5
51528548
n2
66379781474707600
n3
1.7102268779745E+25
n4
4.4062753886299E+33
n5
1.1352448643212E+42
2 √n
16051.253533603
3 √n
636.31569641331
4 √n
126.69354179911
5 √n
48.10648017047
1 , 2 , 4 , 5 , 10 , 20 , 12882137 , 25764274 , 51528548 , 64410685 , 128821370 , 257642740
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
-257642739
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 257642740 can be divided by 12 positive divisors.
The sum of these divisors (counting 257642740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111010110110101000011110100
3
Ternary
122221210121101201
4
Quaternary
33112311003310
5
Quinary
1011424031430
6
Senary
41322102244
8
Octal
1726650364
10
Decimal
257642740
12
Duodecimal
7234a984
16
Hexadecimal
f5b50f4
20
Vigesimal
40a56h0
36
Base36
49e6es
md5
48faf308476d3b20ade134105dec500e
sha1
36d263d2d36ee33845e77c4d166fd5b49c38aca9
sha256
5b061910a74ea786d3b2ed8485a3f7ddcb587ffe355910a8153ee4c79bc6d371
sha512
df53b4a2ff0b9739e6198153ad0ced2228abf310fcdd32913b85d760700df31269fe61403ba0956637a69ae3593abd6d9505bfedacbad31dc4952eb2f9368a7b
ripemd-160
774aadd94964e58450687a8bceba049ffa296c68
Diameter
515285480
Circumference
1618817078.4695
Area
2.0853823382784E+17
Volume
7.163781594422E+25
Surface area
8.3415293531135E+17
Circumference
1618817078.4695
Perimeter
1030570960
Area
66379781474707600
Diagonal
364361857.15497
Surface area
398278688848245600
Volume
1.7102268779745E+25
Space diagonal
446250315.88126
Perimeter
772928220
Area
2.8743288527378E+16
Altitude
223125157.94063
Surface area
2.8743288527378E+16
Volume
2.0155217046388E+24
Height
121453952.38499