129221271 is an odd 9-digits composite number following 129221270
and preceding 129221272 . In scientific notation, it is written as 1.29221271 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 85973400 positive integers (up to 129221271) that are relatively prime to 129221271.
129221271 has 16 divisors, whose sum is 191825920
The reverse of 129221271 is 172122921
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-nine million two hundred twenty-one thousand two hundred seventy-one
Scientific notation
1.29221271 × 10^8
Engineering notation
1.29221271 × 10^6
Prime Factorization
3 × 9 × 523 × 9151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129221271
Product of the distinct prime numbers
The prime factorization of 129221271 is 3 × 9 × 523 × 9151.
Since it has a total of 4 prime factors.
9 , 4 , 81 , 88 , 813 , 505 , 1775 , 3972 , 15742 , 72854 , 225007 , 198839 , 4033954 , 4806376 , 87790368 , 71406663 , 402448148 , 85713930 , 4845608427 , 2964119569
n×2
258442542
n×3
387663813
n×4
516885084
n×5
646106355
n÷2
64610635.5
n÷3
43073757
n÷3
32305317.75
n÷5
25844254.2
n2
16698136878855441
n3
2.1577544708177E+24
n4
2.7882777522499E+32
n5
3.6030479504676E+40
2 √n
11367.553430708
3 √n
505.56616696767
4 √n
106.61872926793
5 √n
41.905092310366
1 , 3 , 9 , 27 , 523 , 1569 , 4707 , 9151 , 14121 , 27453 , 82359 , 247077 , 4785973 , 14357919 , 43073757 , 129221271
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
-129221270
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 129221271 can be divided by 16 positive divisors.
The sum of these divisors (counting 129221271) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100111100001010010111
3
Ternary
100000011010021000
4
Quaternary
13230330022113
5
Quinary
231040040041
6
Senary
20453354343
8
Octal
754741227
10
Decimal
129221271
12
Duodecimal
373389b3
16
Hexadecimal
7b3c297
20
Vigesimal
207cd3b
36
Base36
24xnrr
md5
5a16fb82c62e5fede37dec824d99388d
sha1
629d30ef25d4badd0555b0e78469ca1d28c502f2
sha256
d18a73a0a34c0740fef8179beb0d33b5a7ad8ab9a0f51a9404c26caf6a166181
sha512
a41e2740a32df72be57718a365cd01042fabd757a1853e962cd34d08bc847f9117da68bcabfb36f0c2f196bd17ba58087626d95c6c02bd6351ef80c789abc885
ripemd-160
ca7658c320e9cf43ec3845392631f497b302241b
Diameter
258442542
Circumference
811921191.32227
Area
5.2458744147249E+16
Volume
9.0383807916951E+24
Surface area
2.09834976589E+17
Circumference
811921191.32227
Perimeter
516885084
Area
16698136878855441
Diagonal
182746473.99529
Surface area
100188821273132646
Volume
2.1577544708177E+24
Space diagonal
223817806.79063
Perimeter
387663813
Area
7.2305053664793E+15
Altitude
111908903.39531
Surface area
7.2305053664793E+15
Volume
2.5429380307513E+23
Height
60915491.331763