129286989 is an odd 9-digits composite number following 129286988
and preceding 129286990 . In scientific notation, it is written as 1.29286989 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 73128960 positive integers (up to 129286989) that are relatively prime to 129286989.
129286989 has 32 divisors, whose sum is 196922880
The reverse of 129286989 is 989682921
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred twenty-nine million two hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
1.29286989 × 10^8
Engineering notation
1.29286989 × 10^6
Prime Factorization
221 × 9 × 3 × 47 × 461
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129286989
Product of the distinct prime numbers
The prime factorization of 129286989 is 221 × 9 × 3 × 47 × 461.
Since it has a total of 5 prime factors.
10 , 10 , 97 , 33 , 607 , 858 , 9566 , 4639 , 62707 , 5647 , 452877 , 250754 , 910177 , 1761134 , 30783923 , 18696689 , 533285918 , 699956181 , 2220561689 , 9915948680
n×2
258573978
n×3
387860967
n×4
517147956
n×5
646434945
n÷2
64643494.5
n÷3
43095663
n÷3
32321747.25
n÷5
25857397.8
n2
16715125524686121
n3
2.1610482498437E+24
n4
2.7939542130601E+32
n5
3.6122192761041E+40
2 √n
11370.44365889
3 √n
505.65185762402
4 √n
106.63228244247
5 √n
41.909353774105
1 , 3 , 9 , 27 , 47 , 141 , 221 , 423 , 461 , 663 , 1269 , 1383 , 1989 , 4149 , 5967 , 10387 , 12447 , 21667 , 31161 , 65001 , 93483 , 101881 , 195003 , 280449 , 305643 , 585009 , 916929 , 2750787 , 4788407 , 14365221 , 43095663 , 129286989
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
-129286988
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 129286989 can be divided by 32 positive divisors.
The sum of these divisors (counting 129286989) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101101001100001101001101
3
Ternary
100000021110102000
4
Quaternary
13231030031031
5
Quinary
231044140424
6
Senary
20455022513
8
Octal
755141515
10
Decimal
129286989
12
Duodecimal
3736aa39
16
Hexadecimal
7b4c34d
20
Vigesimal
2080h99
36
Base36
24z2h9
md5
9eb47530c11e207a84d27b4147bc7e5a
sha1
77e14f142f1e31c7c14cb0d7eb179d56cb873e8f
sha256
ec764e8a2cefab2fa58c1c33d2696bb64a4d52289aa2aabeb1f70e83f5f92bdd
sha512
7ebdf16705bdddc10559835462c3d42c9b29b14e234298ab8b0977473c60d172fb003c306d15bfaea698e30f5edcf5662e35cb7c39379ee27cfebbb190b44274
ripemd-160
e8e87de6f1461438b56079aeec5845b5b0eef2de
Diameter
258573978
Circumference
812334109.69429
Area
5.2512115552185E+16
Volume
9.0521777410161E+24
Surface area
2.1004846220874E+17
Circumference
812334109.69429
Perimeter
517147956
Area
16715125524686121
Diagonal
182839413.28218
Surface area
100290753148116726
Volume
2.1610482498437E+24
Space diagonal
223931633.7056
Perimeter
387860967
Area
7.2378616659119E+15
Altitude
111965816.8528
Surface area
7.2378616659119E+15
Volume
2.5468197865597E+23
Height
60946471.09406