129739145 is an odd 9-digits composite number following 129739144
and preceding 129739146 . In scientific notation, it is written as 1.29739145 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 103791312 positive integers (up to 129739145) that are relatively prime to 129739145.
129739145 has 4 divisors, whose sum is 155686980
The reverse of 129739145 is 541937921
Previous prime number is 5
Is Prime? no Number parity odd Number length 9 Sum of Digits 41 Digital Root 5
Name
one hundred twenty-nine million seven hundred thirty-nine thousand one hundred forty-five
Scientific notation
1.29739145 × 10^8
Engineering notation
1.29739145 × 10^6
Prime Factorization
5 × 25947829
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
129739145 Product of the distinct prime numbers
The prime factorization of 129739145 is 5 × 25947829.
Since it has a total of 2 prime factors.
4 , 10 , 82 , 49 , 90 , 54 , 5337 , 5783 , 92477 , 88631 , 422062 , 753277 , 3571720 , 8576767 , 90943420 , 66834634 , 278699173 , 938913497 , 6901879394 , 5979529430
n×2
259478290
n×3
389217435
n×4
518956580
n×5
648695725
n÷2
64869572.5
n÷3
43246381.666667
n÷3
32434786.25
n÷5
25947829
n2
16832245745331025
n3
2.1838011714291E+24
n4
2.8332449683121E+32
n5
3.6758277976437E+40
2 √n11390.309258313
3 √n506.24064464752
4 √n106.72539181616
5 √n41.938626808366
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129739144 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129739145 can be divided by 4 positive divisors.
The sum of these divisors (counting 129739145) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110111010100110001001
3
Ternary
100001010102122112
4
Quaternary
13232322212021
5
Quinary
231203123040
6
Senary
20512432105
8
Octal
756724611
10
Decimal
129739145
12
Duodecimal
37548635
16
Hexadecimal
7bba989
20
Vigesimal
20ah7h5
36
Base36
258rd5
md5
b296becf520d193be899383456a8cb1c
sha1
1067280589211e97052d3396d5c095a4d57a567b
sha256
1f824246ccc3f0ee4f95d6ec49c63c0332dba5d60f8e3baf4802a56d21ff8c0e
sha512
309e8d369225f708ea8070437d923b5033f25dcb04050c79c31d2539c87a826ed05e3c9504452df55d59c42299beffd99cf431b4a740dbe849b76999b8257524
ripemd-160
278dd486e672b63c6198c1272190efa5a5e52695
Diameter
259478290
Circumference
815175089.63004
Area
5.288005957695E+16
Volume
9.1474849560834E+24
Surface area
2.115202383078E+17
Circumference
815175089.63004
Perimeter
518956580
Area
16832245745331025
Diagonal
183478858.42969
Surface area
100993474471986150
Volume
2.1838011714291E+24
Space diagonal
224714790.87055
Perimeter
389217435
Area
7.2885762090996E+15
Altitude
112357395.43527
Surface area
7.2885762090996E+15
Volume
2.5736343618011E+23
Height
61159619.476563