129205955 is an odd 9-digits composite number following 129205954
and preceding 129205956 . In scientific notation, it is written as 1.29205955 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 102575200 positive integers (up to 129205955) that are relatively prime to 129205955.
129205955 has 8 divisors, whose sum is 156231504
The reverse of 129205955 is 559502921
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million two hundred five thousand nine hundred fifty-five
Scientific notation
1.29205955 × 10^8
Engineering notation
1.29205955 × 10^6
Prime Factorization
5 × 131 × 197261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129205955
Product of the distinct prime numbers
The prime factorization of 129205955 is 5 × 131 × 197261.
Since it has a total of 3 prime factors.
3 , 3 , 76 , 39 , 29 , 432 , 5335 , 5547 , 84890 , 82211 , 841225 , 96901 , 6117347 , 2993498 , 75478129 , 50733147 , 974376729 , 214230664 , 7988090838 , 1309957030
n×2
258411910
n×3
387617865
n×4
516823820
n×5
646029775
n÷2
64602977.5
n÷3
43068651.666667
n÷3
32301488.75
n÷5
25841191
n2
16694178807462025
n3
2.1569873157589E+24
n4
2.7869560605551E+32
n5
3.6009131934706E+40
2 √n
11366.879738961
3 √n
505.54619203811
4 √n
106.6155698712
5 √n
41.904098899885
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
-129205954
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 129205955 can be divided by 8 positive divisors.
The sum of these divisors (counting 129205955) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100111000011011000011
3
Ternary
100000010100020202
4
Quaternary
13230320123003
5
Quinary
231034042310
6
Senary
20453155415
8
Octal
754703303
10
Decimal
129205955
12
Duodecimal
3732bb6b
16
Hexadecimal
7b386c3
20
Vigesimal
207aehf
36
Base36
24xbyb
md5
d70b2dbd1c388f15bd5b6590ada4d7de
sha1
3d0de3d1f674e37cfa5a7c32c15fece3eb93be5f
sha256
654bf19d0a2c1eb87f300e497a4c7c2c401c11c227f746a8a55f7e9d78c350b3
sha512
c33f4688bffac59e717ddb8d2127f3e8e699f0689a7bfcb04a7be373e91c9c09914d35182827316a62f0aed450d72804e733cfbc94f3cfae288ac59ae567aab8
ripemd-160
11fbe3775ef5c2ecadef658a8b92108ab5eff705
Diameter
258411910
Circumference
811824958.05611
Area
5.2446309499237E+16
Volume
9.0351673400993E+24
Surface area
2.0978523799695E+17
Circumference
811824958.05611
Perimeter
516823820
Area
16694178807462025
Diagonal
182724813.90037
Surface area
100165072844772150
Volume
2.1569873157589E+24
Space diagonal
223791278.70046
Perimeter
387617865
Area
7.228791471291E+15
Altitude
111895639.35023
Surface area
7.228791471291E+15
Volume
2.5420339298441E+23
Height
60908271.300123