129742780 is an even 9-digits composite number following 129742779
and preceding 129742781 . In scientific notation, it is written as 1.29742780 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 51605760 positive integers (up to 129742780) that are relatively prime to 129742780.
129742780 has 24 divisors, whose sum is 273989520
The reverse of 129742780 is 087247921
Previous prime number is 179
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million seven hundred forty-two thousand seven hundred eighty
Scientific notation
1.29742780 × 10^8
Engineering notation
1.29742780 × 10^6
Prime Factorization
2 × 2 × 5 × 179 × 36241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64871390
Product of the distinct prime numbers
The prime factorization of 129742780 is 2 × 2 × 5 × 179 × 36241.
Since it has a total of 5 prime factors.
4 , 6 , 79 , 78 , 319 , 78 , 969 , 8680 , 82923 , 88740 , 276858 , 546397 , 2974785 , 1951599 , 39817736 , 5669288 , 795363950 , 844129991 , 5393645367 , 233804662
n×2
259485560
n×3
389228340
n×4
518971120
n×5
648713900
n÷2
64871390
n÷3
43247593.333333
n÷3
32435695
n÷5
25948556
n2
16833188962128400
n3
2.1839847322119E+24
n4
2.8335625063472E+32
n5
3.6763427687726E+40
2 √n
11390.46882266
3 √n
506.2453725127
4 √n
106.72613935986
5 √n
41.938861810994
1 , 2 , 4 , 5 , 10 , 20 , 179 , 358 , 716 , 895 , 1790 , 3580 , 36241 , 72482 , 144964 , 181205 , 362410 , 724820 , 6487139 , 12974278 , 25948556 , 32435695 , 64871390 , 129742780
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
-129742779
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 129742780 can be divided by 24 positive divisors.
The sum of these divisors (counting 129742780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101110111011011110111100
3
Ternary
100001010121122011
4
Quaternary
13232323132330
5
Quinary
231203232110
6
Senary
20512501004
8
Octal
756733674
10
Decimal
129742780
12
Duodecimal
3754a764
16
Hexadecimal
7bbb7bc
20
Vigesimal
20ahgj0
36
Base36
258u64
md5
42c607955f0c785e15ca34e2cec30bc8
sha1
c8231c5b585cc92e2d963b9ef0e82186a2180e9d
sha256
3d326202c4245b515a1f6e6bca66f2acfc7e842a0263ac96a71e2b753812a917
sha512
a874d4ae34eff960761294ce2c9d4c352646480a34527cc98c763cc7c907141130899063968eac9c7101e1d14493dea901afbbff5f1b1c8e4bff9d31df9397f4
ripemd-160
53ee5f5a78de03623c661b9676d63be5e693b647
Diameter
259485560
Circumference
815197929.00863
Area
5.2883022779911E+16
Volume
9.148253853692E+24
Surface area
2.1153209111965E+17
Circumference
815197929.00863
Perimeter
518971120
Area
16833188962128400
Diagonal
183483999.09599
Surface area
100999133772770400
Volume
2.1839847322119E+24
Space diagonal
224721086.87523
Perimeter
389228340
Area
7.2889846339535E+15
Altitude
112360543.43762
Surface area
7.2889846339535E+15
Volume
2.5738506902581E+23
Height
61161333.031996