129508749 is an odd 9-digits composite number following 129508748
and preceding 129508750 . In scientific notation, it is written as 1.29508749 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 86281800 positive integers (up to 129508749) that are relatively prime to 129508749.
129508749 has 12 divisors, whose sum is 187192512
The reverse of 129508749 is 947805921
Previous prime number is 1871
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred twenty-nine million five hundred eight thousand seven hundred forty-nine
Scientific notation
1.29508749 × 10^8
Engineering notation
1.29508749 × 10^6
Prime Factorization
3 × 3 × 1871 × 7691
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
43169583 Product of the distinct prime numbers
The prime factorization of 129508749 is 3 × 3 × 1871 × 7691.
Since it has a total of 4 prime factors.
7 , 2 , 94 , 56 , 858 , 555 , 7277 , 8346 , 42333 , 76353 , 141179 , 471355 , 9169936 , 6422075 , 7839002 , 66721578 , 868810173 , 148183097 , 1676289062 , 7753239307
n×2
259017498
n×3
388526247
n×4
518034996
n×5
647543745
n÷2
64754374.5
n÷3
43169583
n÷3
32377187.25
n÷5
25901749.8
n2
16772516067545001
n3
2.1721875734902E+24
n4
2.8131729523606E+32
n5
3.6433050978085E+40
2 √n11380.191079239
3 √n505.94079957517
4 √n106.67797841748
5 √n41.923720955855
1 , 3 , 9 , 1871 , 5613 , 7691 , 16839 , 23073 , 69219 , 14389861 , 43169583 , 129508749
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129508748 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129508749 can be divided by 12 positive divisors.
The sum of these divisors (counting 129508749) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110000010010110001101
3
Ternary
100000200201121100
4
Quaternary
13232002112031
5
Quinary
231123234444
6
Senary
20503453313
8
Octal
756022615
10
Decimal
129508749
12
Duodecimal
37457239
16
Hexadecimal
7b8258d
20
Vigesimal
2098bh9
36
Base36
253tl9
md5
56cc4bf18cb081edc4d4a0703112541d
sha1
8aaee97a75229f11ead649004360513324da8a30
sha256
f07673597edcca3a86965647328851f6571403dd478e3303c97c866406f8acfa
sha512
5a0d6d77a701f052cc5a949653e244fc1b7457e5297f08b08d12df25b1b0507b949db45beb9d0889108ad1a030f43a9751c948dd58492e789ba01d8833cb9db4
ripemd-160
15cb276ff88d9fa572d30aa9952e22dc3c926c53
Diameter
259017498
Circumference
813727468.86801
Area
5.2692413260016E+16
Volume
9.0988380307943E+24
Surface area
2.1076965304006E+17
Circumference
813727468.86801
Perimeter
518034996
Area
16772516067545001
Diagonal
183153029.28177
Surface area
100635096405270006
Volume
2.1721875734902E+24
Space diagonal
224315733.29269
Perimeter
388526247
Area
7.2627124999383E+15
Altitude
112157866.64634
Surface area
7.2627124999383E+15
Volume
2.5599476053734E+23
Height
61051009.760591