257942709 is an odd 9-digits composite number following 257942708
and preceding 257942710 . In scientific notation, it is written as 2.57942709 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 169142400 positive integers (up to 257942709) that are relatively prime to 257942709.
257942709 has 12 divisors, whose sum is 378692652
The reverse of 257942709 is 907249752
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred fifty-seven million nine hundred forty-two thousand seven hundred nine
Scientific notation
2.57942709 × 10^8
Engineering notation
2.57942709 × 10^6
Prime Factorization
3 × 3 × 61 × 469841
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
85980903
Product of the distinct prime numbers
The prime factorization of 257942709 is 3 × 3 × 61 × 469841.
Since it has a total of 4 prime factors.
3 , 2 , 44 , 54 , 763 , 20 , 476 , 6984 , 13952 , 59564 , 923158 , 100396 , 4813240 , 4861689 , 96212614 , 97472401 , 843391163 , 983789705 , 7241671418 , 3213054515
n×2
515885418
n×3
773828127
n×4
1031770836
n×5
1289713545
n÷2
128971354.5
n÷3
85980903
n÷3
64485677.25
n÷5
51588541.8
n2
66534441126258681
n3
1.7162073985908E+25
n4
4.4268318559836E+33
n5
1.1418690012199E+42
2 √n
16060.594914261
3 √n
636.56255109993
4 √n
126.73040248599
5 √n
48.117676866321
1 , 3 , 9 , 61 , 183 , 549 , 469841 , 1409523 , 4228569 , 28660301 , 85980903 , 257942709
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
-257942708
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 257942709 can be divided by 12 positive divisors.
The sum of these divisors (counting 257942709) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111010111111110010010110101
3
Ternary
122222100211212200
4
Quaternary
33113332102311
5
Quinary
1012013131314
6
Senary
41332335113
8
Octal
1727762265
10
Decimal
257942709
12
Duodecimal
72474499
16
Hexadecimal
f5fe4b5
20
Vigesimal
40c2gf9
36
Base36
49klv9
md5
d618a0bb2a7880b391a636657df47699
sha1
4d9bb5f4e81cb42b12547635b72bac4481528aad
sha256
e62a35f778c2f86a79b9155d1564fe82256a8cefd6c2100d4266f48dcb87a758
sha512
7ad61c9dbb03b6cea9be1ce0c098508ac2a51af875acf9c2d48672086f8de69727acf97293ebaf7a229a6d05d789d22b3b7bc76ad3d8106cc5c8ba760a869533
ripemd-160
348c9744d65202b479238f53ab39851bed41201c
Diameter
515885418
Circumference
1620701839.2829
Area
2.0902411145296E+17
Volume
7.1888327405991E+25
Surface area
8.3609644581183E+17
Circumference
1620701839.2829
Perimeter
1031770836
Area
66534441126258681
Diagonal
364786077.38306
Surface area
399206646757552086
Volume
1.7162073985908E+25
Space diagonal
446769877.42995
Perimeter
773828127
Area
2.881025812097E+16
Altitude
223384938.71498
Surface area
2.881025812097E+16
Volume
2.0225698157768E+24
Height
121595359.12769