129129890 is an even 9-digits composite number following 129129889
and preceding 129129891 . In scientific notation, it is written as 1.29129890 × 10^8.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 48686400 positive integers (up to 129129890) that are relatively prime to 129129890.
129129890 has 32 divisors, whose sum is 245903040
The reverse of 129129890 is 098921921
Previous prime number is 211
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-nine thousand eight hundred ninety
Scientific notation
1.29129890 × 10^8
Engineering notation
1.29129890 × 10^6
Prime Factorization
2 × 5 × 19 × 211 × 3221
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129129890
Product of the distinct prime numbers
The prime factorization of 129129890 is 2 × 5 × 19 × 211 × 3221.
Since it has a total of 5 prime factors.
9 , 6 , 56 , 49 , 767 , 369 , 5665 , 9664 , 87097 , 59298 , 449602 , 378808 , 9715196 , 1461662 , 31986186 , 19461411 , 349657765 , 960127805 , 4853339154 , 7378881729
n×2
258259780
n×3
387389670
n×4
516519560
n×5
645649450
n÷2
64564945
n÷3
43043296.666667
n÷3
32282472.5
n÷5
25825978
n2
16674528491412100
n3
2.1531800298979E+24
n4
2.7803990041091E+32
n5
3.5903261755672E+40
2 √n
11363.533341351
3 √n
505.4469656525
4 √n
106.59987495936
5 √n
41.899163854686
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 211 , 422 , 1055 , 2110 , 3221 , 4009 , 6442 , 8018 , 16105 , 20045 , 32210 , 40090 , 61199 , 122398 , 305995 , 611990 , 679631 , 1359262 , 3398155 , 6796310 , 12912989 , 25825978 , 64564945 , 129129890
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
-129129889
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 129129890 can be divided by 32 positive divisors.
The sum of these divisors (counting 129129890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101100100101110110100010
3
Ternary
22222222110220112
4
Quaternary
13230211312202
5
Quinary
231024124030
6
Senary
20451411322
8
Octal
754456642
10
Decimal
129129890
12
Duodecimal
372b3b42
16
Hexadecimal
7b25da2
20
Vigesimal
20714ea
36
Base36
24vp9e
md5
4a8ca905d2d350373bb55b2e0b838ed9
sha1
a39627c1e9431b3d3db5f6e3621f9253275c43b5
sha256
4918c0ed91a102ae3a225998535f92059270d6964febfee776dea92cb55ea3bd
sha512
3d9defb57089258cb3f876e0ef2d80ba73e133384c2e4810c4dacdd443f83dfa9a469c715baec1e1154617b9f344a0b374247b8f25dff5a275e3cc599040f41a
ripemd-160
e39e38a9f94e87e12d56b3c3eecdccf6a3633ac9
Diameter
258259780
Circumference
811347027.56572
Area
5.2384576210694E+16
Volume
9.019219418378E+24
Surface area
2.0953830484278E+17
Circumference
811347027.56572
Perimeter
516519560
Area
16674528491412100
Diagonal
182617241.74575
Surface area
100047170948472600
Volume
2.1531800298979E+24
Space diagonal
223659530.25578
Perimeter
387389670
Area
7.2202826348451E+15
Altitude
111829765.12789
Surface area
7.2202826348451E+15
Volume
2.5375470004271E+23
Height
60872413.915249