129389928 is an even 9-digits composite number following 129389927
and preceding 129389929 . In scientific notation, it is written as 1.29389928 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 16 positive divisors.
There are 43129968 positive integers (up to 129389928) that are relatively prime to 129389928.
129389928 has 16 divisors, whose sum is 323474880
The reverse of 129389928 is 829983921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-nine million three hundred eighty-nine thousand nine hundred twenty-eight
Scientific notation
1.29389928 × 10^8
Engineering notation
1.29389928 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 5391247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32347482
Product of the distinct prime numbers
The prime factorization of 129389928 is 2 × 2 × 2 × 3 × 5391247.
Since it has a total of 5 prime factors.
5 , 1 , 55 , 57 , 859 , 721 , 6842 , 4356 , 69356 , 35886 , 973226 , 784241 , 3160722 , 27863 , 87375306 , 33470169 , 677299080 , 223715707 , 1738494997 , 2006372311
n×2
258779856
n×3
388169784
n×4
517559712
n×5
646949640
n÷2
64694964
n÷3
43129976
n÷3
32347482
n÷5
25877985.6
n2
16741753467845184
n3
2.1662142757982E+24
n4
2.8028630917811E+32
n5
3.6266225363941E+40
2 √n
11374.969362596
3 √n
505.78602293736
4 √n
106.65350140805
5 √n
41.916025340504
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 5391247 , 10782494 , 16173741 , 21564988 , 32347482 , 43129976 , 64694964 , 129389928
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
-129389927
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 129389928 can be divided by 16 positive divisors.
The sum of these divisors (counting 129389928) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101100101010101101000
3
Ternary
100000110200121120
4
Quaternary
13231211111220
5
Quinary
231110434203
6
Senary
20501135240
8
Octal
755452550
10
Decimal
129389928
12
Duodecimal
373ba520
16
Hexadecimal
7b65568
20
Vigesimal
208deg8
36
Base36
2519wo
md5
6a08d8f8b43b8e5f0d276e8131db0924
sha1
f808ab301fb1ba60e5bea06627ee01806e1f2783
sha256
cb21693b1bdf8490aff5a100f3e837530d2c3620fdf7200a19a37f332f7f08f6
sha512
dfc6c30ac021e371fb243a1069bb45f5a64cd7a657291cd08790936258677546432915b18c0e5d4a4612b8bb3b8b38650c98eb2a52060ab3232e8316ae7fb52b
ripemd-160
a39968694956879821eb57d02712fa88526e0bfa
Diameter
258779856
Circumference
812980894.50662
Area
5.2595769702794E+16
Volume
9.0738171399321E+24
Surface area
2.1038307881118E+17
Circumference
812980894.50662
Perimeter
517559712
Area
16741753467845184
Diagonal
182984991.01208
Surface area
100450520807071104
Volume
2.1662142757982E+24
Space diagonal
224109929.28368
Perimeter
388169784
Area
7.2493919035251E+15
Altitude
112054964.64184
Surface area
7.2493919035251E+15
Volume
2.5529080065334E+23
Height
60994997.004026