129813285 is an odd 9-digits composite number following 129813284
and preceding 129813286 . In scientific notation, it is written as 1.29813285 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 59343168 positive integers (up to 129813285) that are relatively prime to 129813285.
129813285 has 16 divisors, whose sum is 237373056
The reverse of 129813285 is 582318921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million eight hundred thirteen thousand two hundred eighty-five
Scientific notation
1.29813285 × 10^8
Engineering notation
1.29813285 × 10^6
Prime Factorization
3 × 5 × 7 × 1236317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129813285
Product of the distinct prime numbers
The prime factorization of 129813285 is 3 × 5 × 7 × 1236317.
Since it has a total of 4 prime factors.
2 , 2 , 44 , 74 , 825 , 679 , 6454 , 4433 , 34468 , 75839 , 782292 , 382393 , 2748875 , 4306255 , 69665452 , 85067666 , 108127253 , 29806782 , 8282467033 , 5042131281
n×2
259626570
n×3
389439855
n×4
519253140
n×5
649066425
n÷2
64906642.5
n÷3
43271095
n÷3
32453321.25
n÷5
25962657
n2
16851488962491225
n3
2.1875471393622E+24
n4
2.8397268025296E+32
n5
3.6863426473892E+40
2 √n
11393.563314433
3 √n
506.33705742579
4 √n
106.74063572245
5 √n
41.943418915327
1 , 3 , 5 , 7 , 15 , 21 , 35 , 105 , 1236317 , 3708951 , 6181585 , 8654219 , 18544755 , 25962657 , 43271095 , 129813285
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
-129813284
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 129813285 can be divided by 16 positive divisors.
The sum of these divisors (counting 129813285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111001100101100100101
3
Ternary
100001021012100110
4
Quaternary
13233030230211
5
Quinary
231213011120
6
Senary
20514203233
8
Octal
757145445
10
Decimal
129813285
12
Duodecimal
37583519
16
Hexadecimal
7bccb25
20
Vigesimal
20b6d45
36
Base36
25ackl
md5
621e744967d7b0dc6655ed70f2395863
sha1
e77327aceae792498ecc3faae9f56de67dcdd708
sha256
fee0753ec85026688bfd8af4e111e2a80fc6c31e92f5d798818bc52a0521079b
sha512
f385adf59bb30f198fd29ba10e3da24a0c80e531f5dd8967f1d449f4fc2f48e73affd74720139730613d24dc09b1abd0b31cfd2c54807119d286c526ffe7a13d
ripemd-160
830072bf3eeb8ca3f530f1d98ad7439609ae56a3
Diameter
259626570
Circumference
815640924.98872
Area
5.2940513926612E+16
Volume
9.163176029869E+24
Surface area
2.1176205570645E+17
Circumference
815640924.98872
Perimeter
519253140
Area
16851488962491225
Diagonal
183583708.2232
Surface area
101108933774947350
Volume
2.1875471393622E+24
Space diagonal
224843205.11742
Perimeter
389439855
Area
7.2969087665552E+15
Altitude
112421602.55871
Surface area
7.2969087665552E+15
Volume
2.5780490273471E+23
Height
61194569.407735