257149742 is an even 9-digits composite number following 257149741
and preceding 257149743 . In scientific notation, it is written as 2.57149742 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 128574870 positive integers (up to 257149742) that are relatively prime to 257149742.
257149742 has 4 divisors, whose sum is 385724616
The reverse of 257149742 is 247941752
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred fifty-seven million one hundred forty-nine thousand seven hundred forty-two
Scientific notation
2.57149742 × 10^8
Engineering notation
2.57149742 × 10^6
Prime Factorization
2 × 128574871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
257149742
Product of the distinct prime numbers
The prime factorization of 257149742 is 2 × 128574871.
Since it has a total of 2 prime factors.
4 , 7 , 13 , 23 , 701 , 487 , 7891 , 8789 , 9880 , 8400 , 763102 , 241363 , 9744795 , 8011097 , 89174830 , 87996020 , 919175212 , 711343941 , 2027195562 , 239547049
n×2
514299484
n×3
771449226
n×4
1028598968
n×5
1285748710
n÷2
128574871
n÷3
85716580.666667
n÷3
64287435.5
n÷5
51429948.4
n2
66125989810666564
n3
1.7004281219308E+25
n4
4.3726465284404E+33
n5
1.1244249266456E+42
2 √n
16035.889186447
3 √n
635.90957504289
4 √n
126.63289140838
5 √n
48.088055764752
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
-257149741
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 257149742 can be divided by 4 positive divisors.
The sum of these divisors (counting 257149742) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111010100111100101100101110
3
Ternary
122220212120010112
4
Quaternary
33110330230232
5
Quinary
1011312242432
6
Senary
41303340022
8
Octal
1724745456
10
Decimal
257149742
12
Duodecimal
72151612
16
Hexadecimal
f53cb2e
20
Vigesimal
4073e72
36
Base36
493m0e
md5
4c9d7b000fd905bd32267f9d23a047b6
sha1
54a6b3bf6d6a239feabc8bba53ec16c03d7ee2d9
sha256
fe3c6329d3b673004b1afc9ae877e5edc5fce81dc0efdb8e16bae0b6f4ca3d3f
sha512
928f782a0f9ccf0d2cad71d8c00184b2a85d5adae279876ef2bcacfcf3f3347d6785df89865dbc3f4721450e3c2e3cfb54eab78b5a41f9bceb4ab80c8ed715b4
ripemd-160
27b82bf9dfcffc404cef7b7fa573dfa0fd68fae1
Diameter
514299484
Circumference
1615719480.6794
Area
2.0774092380054E+17
Volume
7.1227366610869E+25
Surface area
8.3096369520217E+17
Circumference
1615719480.6794
Perimeter
1028598968
Area
66125989810666564
Diagonal
363664652.69714
Surface area
396755938863999384
Volume
1.7004281219308E+25
Space diagonal
445396418.29723
Perimeter
771449226
Area
2.8633393513214E+16
Altitude
222698209.14861
Surface area
2.8633393513214E+16
Volume
2.0039737598959E+24
Height
121221550.89905