129123028 is an even 9-digits composite number following 129123027
and preceding 129123029 . In scientific notation, it is written as 1.29123028 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 64532480 positive integers (up to 129123028) that are relatively prime to 129123028.
129123028 has 12 divisors, whose sum is 226066932
The reverse of 129123028 is 820321921
Previous prime number is 11777
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-nine million one hundred twenty-three thousand twenty-eight
Scientific notation
1.29123028 × 10^8
Engineering notation
1.29123028 × 10^6
Prime Factorization
2 × 2 × 11777 × 2741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64561514
Product of the distinct prime numbers
The prime factorization of 129123028 is 2 × 2 × 11777 × 2741.
Since it has a total of 4 prime factors.
9 , 4 , 13 , 55 , 541 , 977 , 2987 , 5561 , 26616 , 36906 , 19030 , 691375 , 8014329 , 9933639 , 75404433 , 37533429 , 968740620 , 151383623 , 7902784317 , 1759380707
n×2
258246056
n×3
387369084
n×4
516492112
n×5
645615140
n÷2
64561514
n÷3
43041009.333333
n÷3
32280757
n÷5
25824605.6
n2
16672756359888784
n3
2.1528367862951E+24
n4
2.7798080463621E+32
n5
3.5893723220504E+40
2 √n
11363.231406603
3 √n
505.4380122942
4 √n
106.59845874403
5 √n
41.898718538464
1 , 2 , 4 , 2741 , 5482 , 10964 , 11777 , 23554 , 47108 , 32280757 , 64561514 , 129123028
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129123027
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129123028 can be divided by 12 positive divisors.
The sum of these divisors (counting 129123028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100100001011010100
3
Ternary
22222222010111101
4
Quaternary
13230210023110
5
Quinary
231023414103
6
Senary
20451315444
8
Octal
754441324
10
Decimal
129123028
12
Duodecimal
372abb84
16
Hexadecimal
7b242d4
20
Vigesimal
20707b8
36
Base36
24vjys
md5
4b4ca0398304eea9850bfb17c792d3b0
sha1
4f3789308f2766e5a0a7e0537cc32d1c4e925cdd
sha256
988ff3f10290dd7a80cb6e4e01852781f19037f98d7d386b327894dfdf8eb18b
sha512
6a8cde61c5914687a99a5c166b5d93dc8b21dde3f378a4888478d743f302c0cb8249258b89fea4903c0a69806b5fe105e244f86dae9ead108553e3cbef74e7c3
ripemd-160
f86a62bb750e502a26478625ff8936eb8aedf6aa
Diameter
258246056
Circumference
811303912.34814
Area
5.2379008895319E+16
Volume
9.0177816429367E+24
Surface area
2.0951603558128E+17
Circumference
811303912.34814
Perimeter
516492112
Area
16672756359888784
Diagonal
182607537.41228
Surface area
100036538159332704
Volume
2.1528367862951E+24
Space diagonal
223647644.92314
Perimeter
387369084
Area
7.2195152793861E+15
Altitude
111823822.46157
Surface area
7.2195152793861E+15
Volume
2.5371424839619E+23
Height
60869179.137427