129128823 is an odd 9-digits composite number following 129128822
and preceding 129128824 . In scientific notation, it is written as 1.29128823 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 86085828 positive integers (up to 129128823) that are relatively prime to 129128823.
129128823 has 8 divisors, whose sum is 178548608
The reverse of 129128823 is 328821921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million one hundred twenty-eight thousand eight hundred twenty-three
Scientific notation
1.29128823 × 10^8
Engineering notation
1.29128823 × 10^6
Prime Factorization
27 × 3 × 1594183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129128823
Product of the distinct prime numbers
The prime factorization of 129128823 is 27 × 3 × 1594183.
Since it has a total of 3 prime factors.
2 , 5 , 27 , 70 , 562 , 238 , 9924 , 8923 , 51039 , 35337 , 27684 , 37847 , 5858082 , 4703190 , 28710729 , 99630184 , 783773636 , 179208844 , 5859473186 , 7440382610
n×2
258257646
n×3
387386469
n×4
516515292
n×5
645644115
n÷2
64564411.5
n÷3
43042941
n÷3
32282205.75
n÷5
25825764.6
n2
16674252929365329
n3
2.1531266551732E+24
n4
2.7803071075245E+32
n5
3.5901778437317E+40
2 √n
11363.486392829
3 √n
505.44557347961
4 √n
106.59965475004
5 √n
41.899094611917
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129128822
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129128823 can be divided by 8 positive divisors.
The sum of these divisors (counting 129128823) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100101100101110111
3
Ternary
22222222102110000
4
Quaternary
13230211211313
5
Quinary
231024110243
6
Senary
20451402343
8
Octal
754454567
10
Decimal
129128823
12
Duodecimal
372b33b3
16
Hexadecimal
7b25977
20
Vigesimal
2071213
36
Base36
24vofr
md5
4f90d9eccc668842018393d4ce6f9279
sha1
935ddb27e61c85e8d168d6b96259c7bcd4ad3661
sha256
db1faed832e7eeda044a6a2163b34cb69cb6545bc71cb4f5af697bbf9826ea0e
sha512
2fedb65a1640a98baeac0c332ad2f3189da3ee8d63b3a47073e7615b942e2ad2c9c04569850a651964b3815c81425ac6a53bbe1c996a89d29e014504c4824cee
ripemd-160
930255c3c5df021edce5ea9659acfbd6d438924d
Diameter
258257646
Circumference
811340323.40699
Area
5.2383710506992E+16
Volume
9.0189958428542E+24
Surface area
2.0953484202797E+17
Circumference
811340323.40699
Perimeter
516515292
Area
16674252929365329
Diagonal
182615732.77987
Surface area
100045517576191974
Volume
2.1531266551732E+24
Space diagonal
223657682.15757
Perimeter
387386469
Area
7.2201633129787E+15
Altitude
111828841.07878
Surface area
7.2201633129787E+15
Volume
2.5374840977109E+23
Height
60871910.926625