129240639 is an odd 9-digits composite number following 129240638
and preceding 129240640 . In scientific notation, it is written as 1.29240639 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 77040000 positive integers (up to 129240639) that are relatively prime to 129240639.
129240639 has 16 divisors, whose sum is 159230880
The reverse of 129240639 is 936042921
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million two hundred forty thousand six hundred thirty-nine
Scientific notation
1.29240639 × 10^8
Engineering notation
1.29240639 × 10^6
Prime Factorization
9 × 11 × 61 × 21401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129240639
Product of the distinct prime numbers
The prime factorization of 129240639 is 9 × 11 × 61 × 21401.
Since it has a total of 4 prime factors.
1 , 7 , 47 , 83 , 235 , 932 , 8162 , 6424 , 35786 , 6236 , 69698 , 543577 , 8323104 , 6219393 , 27925812 , 28269527 , 784859215 , 260458656 , 9609358129 , 7717739066
n×2
258481278
n×3
387721917
n×4
516962556
n×5
646203195
n÷2
64620319.5
n÷3
43080213
n÷3
32310159.75
n÷5
25848127.8
n2
16703142769128321
n3
2.1587248447904E+24
n4
2.7899497836588E+32
n5
3.6057489281798E+40
2 √n
11368.405297138
3 √n
505.59142420352
4 √n
106.62272411235
5 √n
41.906348402597
1 , 9 , 11 , 61 , 99 , 549 , 671 , 6039 , 21401 , 192609 , 235411 , 1305461 , 2118699 , 11749149 , 14360071 , 129240639
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
-129240638
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 129240639 can be divided by 16 positive divisors.
The sum of these divisors (counting 129240639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101000000111000111111
3
Ternary
100000012002211100
4
Quaternary
13231000320333
5
Quinary
231041200024
6
Senary
20454024143
8
Octal
755007077
10
Decimal
129240639
12
Duodecimal
37348053
16
Hexadecimal
7b40e3f
20
Vigesimal
207f1bj
36
Base36
24y2pr
md5
f1ba19858fcdf48f921f9e6b1bc1e22b
sha1
149f3c7262f0edd01dda678111187f1f6aeec315
sha256
4ff2837846fb65cfdf0ea9126a904ffe151c169a6253e4121b53840c5d4dbb5f
sha512
ba8eb3805b76f5b37e0b1a814ef77faaf0c538e83e16c3cc1926129f0a10b13a2a2a4caca8afd5d22e76d0a0939dba4cad1bdc3ff15a3c470999ea069b973a51
ripemd-160
70160521b0d367a31c3c5fdadfbd9df56e56f882
Diameter
258481278
Circumference
812042884.0553
Area
5.2474470615355E+16
Volume
9.0424454846869E+24
Surface area
2.0989788246142E+17
Circumference
812042884.0553
Perimeter
516962556
Area
16703142769128321
Diagonal
182773864.48357
Surface area
100218856614769926
Volume
2.1587248447904E+24
Space diagonal
223851353.15067
Perimeter
387721917
Area
7.2326729805517E+15
Altitude
111925676.57533
Surface area
7.2326729805517E+15
Volume
2.5440816274453E+23
Height
60924621.494522