129171892 is an even 9-digits composite number following 129171891
and preceding 129171893 . In scientific notation, it is written as 1.29171892 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 63527040 positive integers (up to 129171892) that are relatively prime to 129171892.
129171892 has 12 divisors, whose sum is 229756996
The reverse of 129171892 is 298171921
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million one hundred seventy-one thousand eight hundred ninety-two
Scientific notation
1.29171892 × 10^8
Engineering notation
1.29171892 × 10^6
Prime Factorization
2 × 2 × 61 × 529393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64585946
Product of the distinct prime numbers
The prime factorization of 129171892 is 2 × 2 × 61 × 529393.
Since it has a total of 4 prime factors.
3 , 1 , 24 , 33 , 654 , 46 , 5090 , 5729 , 3296 , 57395 , 76152 , 947270 , 7603300 , 4455906 , 34715467 , 23703817 , 137501307 , 386975868 , 1392450456 , 5634700559
n×2
258343784
n×3
387515676
n×4
516687568
n×5
645859460
n÷2
64585946
n÷3
43057297.333333
n÷3
32292973
n÷5
25834378.4
n2
16685377682859664
n3
2.1552818040296E+24
n4
2.7840182841967E+32
n5
3.5961690913228E+40
2 √n
11365.381295847
3 √n
505.5017618531
4 √n
106.60854232118
5 √n
41.901889203178
1 , 2 , 4 , 61 , 122 , 244 , 529393 , 1058786 , 2117572 , 32292973 , 64585946 , 129171892
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129171891
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129171892 can be divided by 12 positive divisors.
The sum of these divisors (counting 129171892) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100110000000110110100
3
Ternary
100000001121112011
4
Quaternary
13230300012310
5
Quinary
231032000032
6
Senary
20452334004
8
Octal
754600664
10
Decimal
129171892
12
Duodecimal
37314304
16
Hexadecimal
7b301b4
20
Vigesimal
20769ec
36
Base36
24wlo4
md5
912ddfa34f3a368c2e34df9f6400c3e4
sha1
2fb92702883fef809f953b7061d77201de6ab01e
sha256
ea850d3640735517a06690bb7237550669dc48e15f7bdf5cdeca2474e1db0d36
sha512
1d817685d8ce8babb0674e7d91374cd3ff27f3a091410f52c8dcc607316fd55897ae43609a979bdc008fc0487ba8cb169a2ea7f0dd7e361cc7678d58affa0a46
ripemd-160
f531bf061dc6d7620703a3fef170802d049473ed
Diameter
258343784
Circumference
811610933.91499
Area
5.2418659950843E+16
Volume
9.0280233092734E+24
Surface area
2.0967463980337E+17
Circumference
811610933.91499
Perimeter
516687568
Area
16685377682859664
Diagonal
182676641.54379
Surface area
100112266097157984
Volume
2.1552818040296E+24
Space diagonal
223732279.8538
Perimeter
387515676
Area
7.2249804725472E+15
Altitude
111866139.9269
Surface area
7.2249804725472E+15
Volume
2.5400239649955E+23
Height
60892213.847931