129171894 is an even 9-digits composite number following 129171893
and preceding 129171895 . In scientific notation, it is written as 1.29171894 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 41425920 positive integers (up to 129171894) that are relatively prime to 129171894.
129171894 has 32 divisors, whose sum is 268307424
The reverse of 129171894 is 498171921
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million one hundred seventy-one thousand eight hundred ninety-four
Scientific notation
1.29171894 × 10^8
Engineering notation
1.29171894 × 10^6
Prime Factorization
2 × 3 × 41 × 73 × 7193
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129171894
Product of the distinct prime numbers
The prime factorization of 129171894 is 2 × 3 × 41 × 73 × 7193.
Since it has a total of 5 prime factors.
3 , 2 , 42 , 27 , 509 , 381 , 4911 , 3922 , 15968 , 47746 , 570681 , 131818 , 5186758 , 5004201 , 59385270 , 61791733 , 639697660 , 697788928 , 6701832170 , 3418099395
n×2
258343788
n×3
387515682
n×4
516687576
n×5
645859470
n÷2
64585947
n÷3
43057298
n÷3
32292973.5
n÷5
25834378.8
n2
16685378199547236
n3
2.1552819041418E+24
n4
2.7840184566193E+32
n5
3.5961693697247E+40
2 √n
11365.381383834
3 √n
505.50176446204
4 √n
106.60854273384
5 √n
41.901889332933
1 , 2 , 3 , 6 , 41 , 73 , 82 , 123 , 146 , 219 , 246 , 438 , 2993 , 5986 , 7193 , 8979 , 14386 , 17958 , 21579 , 43158 , 294913 , 525089 , 589826 , 884739 , 1050178 , 1575267 , 1769478 , 3150534 , 21528649 , 43057298 , 64585947 , 129171894
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129171893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129171894 can be divided by 32 positive divisors.
The sum of these divisors (counting 129171894) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101100110000000110110110
3
Ternary
100000001121112020
4
Quaternary
13230300012312
5
Quinary
231032000034
6
Senary
20452334010
8
Octal
754600666
10
Decimal
129171894
12
Duodecimal
37314306
16
Hexadecimal
7b301b6
20
Vigesimal
20769ee
36
Base36
24wlo6
md5
eb95cbaf9775e8af9a07c3256d891c33
sha1
8ac8334a11022622e9e297b0673abe7f196e6ffb
sha256
b02480fbd145ab6b0b47d810ad92b4f069086983086f83245fc93de2153646a1
sha512
74bca062999d2d6cab310deb19f261db6047fa64889284683cbe1e6b4a42d5027307d84a67a9bc569621e26f6f631b0ecadc617d58444606c9b93b21572ebf0c
ripemd-160
fffa8498d45a3a64e6f25e9ad2da68e1fadebc00
Diameter
258343788
Circumference
811610946.48136
Area
5.2418661574065E+16
Volume
9.0280237286226E+24
Surface area
2.0967464629626E+17
Circumference
811610946.48136
Perimeter
516687576
Area
16685378199547236
Diagonal
182676644.37222
Surface area
100112269197283416
Volume
2.1552819041418E+24
Space diagonal
223732283.3179
Perimeter
387515682
Area
7.2249806962795E+15
Altitude
111866141.65895
Surface area
7.2249806962795E+15
Volume
2.5400240829789E+23
Height
60892214.79074