129805835 is an odd 9-digits composite number following 129805834
and preceding 129805836 . In scientific notation, it is written as 1.29805835 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 100245600 positive integers (up to 129805835) that are relatively prime to 129805835.
129805835 has 8 divisors, whose sum is 130967616
The reverse of 129805835 is 538508921
Previous prime number is 547
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million eight hundred five thousand eight hundred thirty-five
Scientific notation
1.29805835 × 10^8
Engineering notation
1.29805835 × 10^6
Prime Factorization
155 × 547 × 1531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129805835
Product of the distinct prime numbers
The prime factorization of 129805835 is 155 × 547 × 1531.
Since it has a total of 3 prime factors.
2 , 3 , 12 , 11 , 340 , 12 , 6914 , 1590 , 85400 , 75862 , 693632 , 551956 , 2863013 , 7944495 , 14700996 , 70431839 , 48288815 , 915615595 , 5930463792 , 5561396571
n×2
259611670
n×3
389417505
n×4
519223340
n×5
649029175
n÷2
64902917.5
n÷3
43268611.666667
n÷3
32451458.75
n÷5
25961167
n2
16849554800047225
n3
2.1871705301984E+24
n4
2.8390749695979E+32
n5
3.6852849705626E+40
2 √n
11393.23637076
3 √n
506.32737099233
4 √n
106.73910422502
5 √n
41.942937476706
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
-129805834
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 129805835 can be divided by 8 positive divisors.
The sum of these divisors (counting 129805835) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111001010111000001011
3
Ternary
100001020211010112
4
Quaternary
13233022320023
5
Quinary
231212241320
6
Senary
20514104535
8
Octal
757127013
10
Decimal
129805835
12
Duodecimal
3757b14b
16
Hexadecimal
7bcae0b
20
Vigesimal
20b5ebf
36
Base36
25a6tn
md5
097ad35d458a3559992a23b869d38635
sha1
90da3ee8450c4bf0703f327caab256543fc21230
sha256
6d6febf9dd6b77257f54d37bdce5dd934bd5a1b0cf385171220bb6178bc10189
sha512
743f11dd7e38ada912925c11940ac2531179cf1fbf04a3ebae8b1c97688e47728f44e6125591c162d3fba0e2c65a81a139b3b069a821303558b03ea59f8c5a7b
ripemd-160
c2d03227fd044334d5cebdfcf6e63fff7a8d60f0
Diameter
259611670
Circumference
815594115.25818
Area
5.2934437576087E+16
Volume
9.1615984930925E+24
Surface area
2.1173775030435E+17
Circumference
815594115.25818
Perimeter
519223340
Area
16849554800047225
Diagonal
183573172.33216
Surface area
101097328800283350
Volume
2.1871705301984E+24
Space diagonal
224830301.3389
Perimeter
389417505
Area
7.2960712496495E+15
Altitude
112415150.66945
Surface area
7.2960712496495E+15
Volume
2.5776051891911E+23
Height
61191057.444055