129172 is an even 6-digits composite number following 129171
and preceding 129173 . In scientific notation, it is written as 1.29172 × 10^5.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 63000 positive integers (up to 129172) that are relatively prime to 129172.
129172 has 12 divisors, whose sum is 231616
The reverse of 129172 is 271921
Previous prime number is 43
Is Prime? no
Number parity even
Number length 6
Sum of Digits 22
Digital Root 4
Name
one hundred twenty-nine thousand one hundred seventy-two
Scientific notation
1.29172 × 10^5
Engineering notation
1.29172 × 10^3
Prime Factorization
2 × 2 × 43 × 751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64586
Product of the distinct prime numbers
The prime factorization of 129172 is 2 × 2 × 43 × 751.
Since it has a total of 4 prime factors.
1 , 8 , 86 , 16 , 650 , 996 , 3444 , 8839 , 92461 , 83968 , 293871 , 769364 , 2764368 , 2256752 , 99334078 , 24692686 , 371454320 , 583113909 , 2012121463 , 8226163821
n×2
258344
n×3
387516
n×4
516688
n×5
645860
n÷2
64586
n÷3
43057.333333333
n÷3
32293
n÷5
25834.4
n2
16685405584
n3
2155287210096448
n4
2.7840275950258E+20
n5
3.5961841250467E+25
2 √n
359.40506395987
3 √n
50.55019027356
4 √n
18.95798153707
5 √n
10.525280454434
1 , 2 , 4 , 43 , 86 , 172 , 751 , 1502 , 3004 , 32293 , 64586 , 129172
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
-129171
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 129172 can be divided by 12 positive divisors.
The sum of these divisors (counting 129172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111100010010100
3
Ternary
20120012011
4
Quaternary
133202110
5
Quinary
13113142
6
Senary
2434004
8
Octal
374224
10
Decimal
129172
12
Duodecimal
62904
16
Hexadecimal
1f894
20
Vigesimal
g2ic
36
Base36
2ro4
md5
08a920d3826037374bbf12096bc9ee1a
sha1
36a8b2458588098ecc6e8e706dee2fd3f53c2c04
sha256
82fbc9acf7ee5aa075b81e38c3d1333714f84dde0990b15f13a360016c973d35
sha512
5414d4bf093ce54f4d97e428685fa4f715f6f5cffe63272b4bcbef124dde8e4506c61f9a574c314a77bbc357886434630cf9dbeca20ce68506ba291791ae876b
ripemd-160
8aee85ed97de060ece762a7264735f9b0fda2daa
Diameter
258344
Circumference
811611.612499
Area
52418747604.861
Volume
9.0280459541534E+15
Surface area
209674990419.44
Circumference
811611.612499
Perimeter
516688
Area
16685405584
Diagonal
182676.79427886
Surface area
100112433504
Volume
2155287210096448
Space diagonal
223732.46691529
Perimeter
387516
Area
7224992554.0954
Altitude
111866.23345764
Surface area
7224992554.0954
Volume
2.5400303361064E+14
Height
60892.264759619