129242542 is an even 9-digits composite number following 129242541
and preceding 129242543 . In scientific notation, it is written as 1.29242542 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 54227520 positive integers (up to 129242542) that are relatively prime to 129242542.
129242542 has 16 divisors, whose sum is 227756592
The reverse of 129242542 is 245242921
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million two hundred forty-two thousand five hundred forty-two
Scientific notation
1.29242542 × 10^8
Engineering notation
1.29242542 × 10^6
Prime Factorization
2 × 11 × 13 × 451897
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129242542
Product of the distinct prime numbers
The prime factorization of 129242542 is 2 × 11 × 13 × 451897.
Since it has a total of 4 prime factors.
6 , 7 , 95 , 24 , 173 , 585 , 2861 , 4550 , 29477 , 57394 , 469412 , 895768 , 889412 , 5729042 , 72387545 , 79546303 , 833813113 , 270284660 , 7600991857 , 5544606326
n×2
258485084
n×3
387727626
n×4
516970168
n×5
646212710
n÷2
64621271
n÷3
43080847.333333
n÷3
32310635.5
n÷5
25848508.4
n2
16703634662621764
n3
2.1588202044365E+24
n4
2.7901141094234E+32
n5
3.6060143997195E+40
2 √n
11368.488993705
3 √n
505.59390571338
4 √n
106.62311660098
5 √n
41.90647181163
1 , 2 , 11 , 13 , 22 , 26 , 143 , 286 , 451897 , 903794 , 4970867 , 5874661 , 9941734 , 11749322 , 64621271 , 129242542
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
-129242541
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 129242542 can be divided by 16 positive divisors.
The sum of these divisors (counting 129242542) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101000001010110101110
3
Ternary
100000012012102211
4
Quaternary
13231001112232
5
Quinary
231041230132
6
Senary
20454041034
8
Octal
755012656
10
Decimal
129242542
12
Duodecimal
3734917a
16
Hexadecimal
7b415ae
20
Vigesimal
207f672
36
Base36
24y46m
md5
d4bd645285770d2fdc7e443da7703765
sha1
943f34e4e05a394430941a9f2d2d8643dbedca9e
sha256
cce2f24d4ef4fa165a5577e3c0f2fcd0ab48de527690151deded058e38ca8c8a
sha512
b0ebea78dbd2125be9de1cfb34500eec01946950eb0867807481fbf65722e0b799541ab2ca0f8dcdb36c58d4b00ed1a50240ef972854284769da167ddcdbb1e8
ripemd-160
81dd1f061f3f262a6b13c665feee89ee7e5b4d54
Diameter
258485084
Circumference
812054840.95694
Area
5.247601594434E+16
Volume
9.0428449262388E+24
Surface area
2.0990406377736E+17
Circumference
812054840.95694
Perimeter
516970168
Area
16703634662621764
Diagonal
182776555.73197
Surface area
100221807975730584
Volume
2.1588202044365E+24
Space diagonal
223854649.24335
Perimeter
387727626
Area
7.2328859766824E+15
Altitude
111927324.62168
Surface area
7.2328859766824E+15
Volume
2.544194009866E+23
Height
60925518.577325