129442784 is an even 9-digits composite number following 129442783
and preceding 129442785 . In scientific notation, it is written as 1.29442784 × 10^8.
The sum of its digits is 41. It has a total of 7 prime factors and 24 positive divisors.
There are 64382976 positive integers (up to 129442784) that are relatively prime to 129442784.
129442784 has 24 divisors, whose sum is 256173120
The reverse of 129442784 is 487244921
Previous prime number is 193
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million four hundred forty-two thousand seven hundred eighty-four
Scientific notation
1.29442784 × 10^8
Engineering notation
1.29442784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 193 × 20959
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8090174
Product of the distinct prime numbers
The prime factorization of 129442784 is 2 × 2 × 2 × 2 × 2 × 193 × 20959.
Since it has a total of 7 prime factors.
3 , 3 , 80 , 68 , 530 , 767 , 9666 , 5963 , 79489 , 84453 , 748439 , 60251 , 3047468 , 5818643 , 70948934 , 18725082 , 981084243 , 64927449 , 5953934756 , 5795712300
n×2
258885568
n×3
388328352
n×4
517771136
n×5
647213920
n÷2
64721392
n÷3
43147594.666667
n÷3
32360696
n÷5
25888556.8
n2
16755434329670656
n3
2.1688700667617E+24
n4
2.8074457957591E+32
n5
3.6340359973215E+40
2 √n
11377.292472289
3 √n
505.85488503762
4 √n
106.66439177293
5 √n
41.919449334229
1 , 2 , 4 , 8 , 16 , 32 , 193 , 386 , 772 , 1544 , 3088 , 6176 , 20959 , 41918 , 83836 , 167672 , 335344 , 670688 , 4045087 , 8090174 , 16180348 , 32360696 , 64721392 , 129442784
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129442783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129442784 can be divided by 24 positive divisors.
The sum of these divisors (counting 129442784) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101110010001111100000
3
Ternary
100000120101010012
4
Quaternary
13231302033200
5
Quinary
231114132114
6
Senary
20502224052
8
Octal
755621740
10
Decimal
129442784
12
Duodecimal
37425028
16
Hexadecimal
7b723e0
20
Vigesimal
20906j4
36
Base36
252eow
md5
df545d9fdf11766bc69150899eb8a2c2
sha1
0fce90e806d9c183708190b0a3875a72023df6fb
sha256
5a91975a455ab9f5d077622757486a1e040d8436ee0f8007576163ad5923b265
sha512
fba9f7b8ea2ffe5b0168c22ae7dd371cf0ee7834665c482a86785bd49ad642656042c06fa4f7574b98ee8567b8899982dcbe07cfbc33e90c3d4fceadb1e1e35a
ripemd-160
9f4b176c1a890c227625beb49d450dbfb28a5677
Diameter
258885568
Circumference
813312998.54922
Area
5.26387493978E+16
Volume
9.084941691106E+24
Surface area
2.105549975912E+17
Circumference
813312998.54922
Perimeter
517771136
Area
16755434329670656
Diagonal
183059740.68413
Surface area
100532605978023936
Volume
2.1688700667617E+24
Space diagonal
224201478.56116
Perimeter
388328352
Area
7.2553158904683E+15
Altitude
112100739.28058
Surface area
7.2553158904683E+15
Volume
2.5560378861996E+23
Height
61019913.561377