129205730 is an even 9-digits composite number following 129205729
and preceding 129205731 . In scientific notation, it is written as 1.29205730 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 49900032 positive integers (up to 129205730) that are relatively prime to 129205730.
129205730 has 16 divisors, whose sum is 240590520
The reverse of 129205730 is 037502921
Previous prime number is 29
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-nine million two hundred five thousand seven hundred thirty
Scientific notation
1.29205730 × 10^8
Engineering notation
1.29205730 × 10^6
Prime Factorization
2 × 5 × 29 × 445537
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129205730
Product of the distinct prime numbers
The prime factorization of 129205730 is 2 × 5 × 29 × 445537.
Since it has a total of 4 prime factors.
1 , 5 , 75 , 10 , 261 , 808 , 408 , 7696 , 87489 , 83010 , 565426 , 792671 , 2790536 , 4000616 , 89312697 , 11609445 , 615797348 , 509658953 , 4986811054 , 3851895525
n×2
258411460
n×3
387617190
n×4
516822920
n×5
646028650
n÷2
64602865
n÷3
43068576.666667
n÷3
32301432.5
n÷5
25841146
n2
16694120664832900
n3
2.1569760472078E+24
n4
2.78693664772E+32
n5
3.6008818403242E+40
2 √n
11366.869841781
3 √n
505.54589858425
4 √n
106.61552345593
5 √n
41.904084305467
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 445537 , 891074 , 2227685 , 4455370 , 12920573 , 25841146 , 64602865 , 129205730
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
-129205729
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 129205730 can be divided by 16 positive divisors.
The sum of these divisors (counting 129205730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100111000010111100010
3
Ternary
100000010022221102
4
Quaternary
13230320113202
5
Quinary
231034040410
6
Senary
20453154402
8
Octal
754702742
10
Decimal
129205730
12
Duodecimal
3732ba02
16
Hexadecimal
7b385e2
20
Vigesimal
207ae6a
36
Base36
24xbs2
md5
856d894883ba8a136bceb5c22a19b7cf
sha1
0d397a1f480740d070b7258290ecc9290531220e
sha256
2b1de110780a761f3f883faf70aa229435b7557983fb0ab7b9b2e9ae48775d1f
sha512
43c0b02c1a6f8b504007236ee1cf2f3eea9b6c291b32a03ca3bab88bc10588f07bd92c640d5aca25aa2afd98c72991bf5e41a315cfc749252522ac6fa05fff15
ripemd-160
ff5a7770ef08f9dc38919b1bb5ee4e67d82f0384
Diameter
258411460
Circumference
811823544.33941
Area
5.2446126838781E+16
Volume
9.035120138503E+24
Surface area
2.0978450735512E+17
Circumference
811823544.33941
Perimeter
516822920
Area
16694120664832900
Diagonal
182724495.70232
Surface area
100164723988997400
Volume
2.1569760472078E+24
Space diagonal
223790888.98903
Perimeter
387617190
Area
7.228766294794E+15
Altitude
111895444.49451
Surface area
7.228766294794E+15
Volume
2.5420206497293E+23
Height
60908165.234105