129281009 is an odd 9-digits composite number following 129281008
and preceding 129281010 . In scientific notation, it is written as 1.29281009 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 107679360 positive integers (up to 129281009) that are relatively prime to 129281009.
129281009 has 16 divisors, whose sum is 153014400
The reverse of 129281009 is 900182921
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million two hundred eighty-one thousand nine
Scientific notation
1.29281009 × 10^8
Engineering notation
1.29281009 × 10^6
Prime Factorization
13 × 11 × 137 × 6599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129281009
Product of the distinct prime numbers
The prime factorization of 129281009 is 13 × 11 × 137 × 6599.
Since it has a total of 4 prime factors.
9 , 1 , 63 , 18 , 776 , 168 , 2024 , 8535 , 66028 , 93358 , 201868 , 644049 , 3860514 , 9765032 , 17260128 , 74440000 , 582682486 , 108119974 , 4970546660 , 2088245134
n×2
258562018
n×3
387843027
n×4
517124036
n×5
646405045
n÷2
64640504.5
n÷3
43093669.666667
n÷3
32320252.25
n÷5
25856201.8
n2
16713579288058081
n3
2.1607483943617E+24
n4
2.793437326182E+32
n5
3.6113839610708E+40
2 √n
11370.180693375
3 √n
505.64406141613
4 √n
106.63104938701
5 √n
41.908966074501
1 , 11 , 13 , 137 , 143 , 1507 , 1781 , 6599 , 19591 , 72589 , 85787 , 904063 , 943657 , 9944693 , 11752819 , 129281009
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
-129281008
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 129281009 can be divided by 16 positive divisors.
The sum of these divisors (counting 129281009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101001010101111110001
3
Ternary
100000021011012112
4
Quaternary
13231022233301
5
Quinary
231043443014
6
Senary
20454535105
8
Octal
755125761
10
Decimal
129281009
12
Duodecimal
37367495
16
Hexadecimal
7b4abf1
20
Vigesimal
20802a9
36
Base36
24yxv5
md5
f3672448c60c259a94539f39f473dc97
sha1
f43d7ab6670107f2c4f623c1a2e464c65c6651cd
sha256
db7db49703b4bc5d1539d721ea9d51177506fc8fae641a97670f88e215457c4f
sha512
7046338d0f8f699680f4ae6be02036526602fe614577ff02086e9029bfc317131fb8f4594556aff21438d1484dff089403bae97f8dde8864b4ac426029e1129e
ripemd-160
f147c1acaf3f3e9ff145fa8d3b9402a68f41b9a9
Diameter
258562018
Circumference
812296536.24615
Area
5.2507257906554E+16
Volume
9.05092170931E+24
Surface area
2.1002903162622E+17
Circumference
812296536.24615
Perimeter
517124036
Area
16713579288058081
Diagonal
182830956.28508
Surface area
100281475728348486
Volume
2.1607483943617E+24
Space diagonal
223921276.04177
Perimeter
387843027
Area
7.2371921258119E+15
Altitude
111960638.02088
Surface area
7.2371921258119E+15
Volume
2.5464664034851E+23
Height
60943652.095026