129705518 is an even 9-digits composite number following 129705517
and preceding 129705519 . In scientific notation, it is written as 1.29705518 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 64031760 positive integers (up to 129705518) that are relatively prime to 129705518.
129705518 has 8 divisors, whose sum is 197021280
The reverse of 129705518 is 815507921
Previous prime number is 79
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million seven hundred five thousand five hundred eighteen
Scientific notation
1.29705518 × 10^8
Engineering notation
1.29705518 × 10^6
Prime Factorization
2 × 79 × 820921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129705518
Product of the distinct prime numbers
The prime factorization of 129705518 is 2 × 79 × 820921.
Since it has a total of 3 prime factors.
5 , 2 , 68 , 65 , 336 , 924 , 590 , 1034 , 65368 , 26268 , 802839 , 998297 , 5346444 , 9898211 , 14767261 , 16834423 , 184514190 , 958882780 , 9324858292 , 9972722679
n×2
259411036
n×3
389116554
n×4
518822072
n×5
648527590
n÷2
64852759
n÷3
43235172.666667
n÷3
32426379.5
n÷5
25941103.6
n2
16823521399648324
n3
2.1821035577255E+24
n4
2.8303087228443E+32
n5
3.6710665899643E+40
2 √n
11388.833039429
3 √n
506.19690347974
4 √n
106.71847562362
5 √n
41.936452574156
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129705517
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129705518 can be divided by 8 positive divisors.
The sum of these divisors (counting 129705518) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110110010011000101110
3
Ternary
100001001201112002
4
Quaternary
13232302120232
5
Quinary
231201034033
6
Senary
20512012302
8
Octal
756623056
10
Decimal
129705518
12
Duodecimal
37531092
16
Hexadecimal
7bb262e
20
Vigesimal
20ad3fi
36
Base36
2581f2
md5
abbaf32a4a77acc1808aca20c2269e32
sha1
59a9634221b0c18dc1318f0141120c132eb7153a
sha256
a5e91cde52153bf799b3f7761b6e4c0e9556c51d61462860e8c55f3b70576e31
sha512
518c1fe27f207da41a4b330138721a561d736f074bfad88f07acbc6e16352c86a06c5802f03557477db4bc5fb44d40953b65693e1322f9cf985baba108abd396
ripemd-160
afa99899b0d36de71fe132f120b7b0115bcc0b35
Diameter
259411036
Circumference
814963804.95772
Area
5.2852651236646E+16
Volume
9.14037400843E+24
Surface area
2.1141060494658E+17
Circumference
814963804.95772
Perimeter
518822072
Area
16823521399648324
Diagonal
183431302.67023
Surface area
100941128397889944
Volume
2.1821035577255E+24
Space diagonal
224656547.19804
Perimeter
389116554
Area
7.2847984566033E+15
Altitude
112328273.59902
Surface area
7.2847984566033E+15
Volume
2.571633704865E+23
Height
61143767.556743