129128826 is an even 9-digits composite number following 129128825
and preceding 129128827 . In scientific notation, it is written as 1.29128826 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 38750400 positive integers (up to 129128826) that are relatively prime to 129128826.
129128826 has 16 divisors, whose sum is 197524800
The reverse of 129128826 is 628821921
Previous prime number is 1891
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred twenty-nine million one hundred twenty-eight thousand eight hundred twenty-six
Scientific notation
1.29128826 × 10^8
Engineering notation
1.29128826 × 10^6
Prime Factorization
2 × 57 × 1891 × 599
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
129128826 Product of the distinct prime numbers
The prime factorization of 129128826 is 2 × 57 × 1891 × 599.
Since it has a total of 4 prime factors.
7 , 10 , 58 , 17 , 422 , 485 , 3155 , 8321 , 27756 , 29062 , 778211 , 973860 , 4978297 , 1855016 , 79244821 , 43496109 , 749523844 , 277613294 , 1023831063 , 5838225647
n×2
258257652
n×3
387386478
n×4
516515304
n×5
645644130
n÷2
64564413
n÷3
43042942
n÷3
32282206.5
n÷5
25825765.2
n2
16674253704138276
n3
2.1531268052415E+24
n4
2.7803073658997E+32
n5
3.5901782607778E+40
2 √n11363.48652483
3 √n505.44557739388
4 √n106.59965536919
5 √n41.899094806602
1 , 2 , 57 , 114 , 599 , 1198 , 1891 , 3782 , 34143 , 68286 , 107787 , 215574 , 1132709 , 2265418 , 64564413 , 129128826
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
-129128825 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 129128826 can be divided by 16 positive divisors.
The sum of these divisors (counting 129128826) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100101100101111010
3
Ternary
22222222102110010
4
Quaternary
13230211211322
5
Quinary
231024110301
6
Senary
20451402350
8
Octal
754454572
10
Decimal
129128826
12
Duodecimal
372b33b6
16
Hexadecimal
7b2597a
20
Vigesimal
2071216
36
Base36
24vofu
md5
d88e510f7434de662d68b91d1b1e5233
sha1
f45c99457e71ecd2fd1c400faa968b99fffcb638
sha256
41c71da0d6e912f835a085efddca1ba9c5d41ea2e888541d9272f2dfad765aac
sha512
ed6b1f1b72191e2fe6bc5646d96065c4a4f5bc6a4d3b609db3661127c24e1ed29391ae2c3eae675a9274bdd568358724095b97fe2720cc52c9c287b3951b0812
ripemd-160
3fd1b98bf83bfc612125e4299f868c05668afdcd
Diameter
258257652
Circumference
811340342.25655
Area
5.2383712941013E+16
Volume
9.0189964714587E+24
Surface area
2.0953485176405E+17
Circumference
811340342.25655
Perimeter
516515304
Area
16674253704138276
Diagonal
182615737.02252
Surface area
100045522224829656
Volume
2.1531268052415E+24
Space diagonal
223657687.35372
Perimeter
387386478
Area
7.2201636484653E+15
Altitude
111828843.67686
Surface area
7.2201636484653E+15
Volume
2.537484274568E+23
Height
60871912.340839