129126028 is an even 9-digits composite number following 129126027
and preceding 129126029 . In scientific notation, it is written as 1.29126028 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 64534032 positive integers (up to 129126028) that are relatively prime to 129126028.
129126028 has 12 divisors, whose sum is 226072000
The reverse of 129126028 is 820621921
Previous prime number is 11743
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million one hundred twenty-six thousand twenty-eight
Scientific notation
1.29126028 × 10^8
Engineering notation
1.29126028 × 10^6
Prime Factorization
2 × 2 × 11743 × 2749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64563014
Product of the distinct prime numbers
The prime factorization of 129126028 is 2 × 2 × 11743 × 2749.
Since it has a total of 4 prime factors.
9 , 8 , 96 , 7 , 19 , 135 , 2811 , 7795 , 19786 , 68625 , 502353 , 896066 , 5672727 , 7880240 , 5953946 , 11392643 , 468767522 , 693923257 , 8922878036 , 4327412381
n×2
258252056
n×3
387378084
n×4
516504112
n×5
645630140
n÷2
64563014
n÷3
43042009.333333
n÷3
32281507
n÷5
25825205.6
n2
16673531107056784
n3
2.1529868445887E+24
n4
2.7800663957799E+32
n5
3.5897893126333E+40
2 √n
11363.36341054
3 √n
505.44192665484
4 √n
106.59907790661
5 √n
41.898913228736
1 , 2 , 4 , 2749 , 5498 , 10996 , 11743 , 23486 , 46972 , 32281507 , 64563014 , 129126028
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
-129126027
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 129126028 can be divided by 12 positive divisors.
The sum of these divisors (counting 129126028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100100111010001100
3
Ternary
22222222021121111
4
Quaternary
13230210322030
5
Quinary
231024013103
6
Senary
20451341404
8
Octal
754447214
10
Decimal
129126028
12
Duodecimal
372b1864
16
Hexadecimal
7b24e8c
20
Vigesimal
2070f18
36
Base36
24vma4
md5
28f27324ebbb9aa607087a1d112df264
sha1
3e061b089f75606497fbecb96956584a84b3059c
sha256
9e1b4ae5d46920438e5096a4b20e250afd99e4c28415ef0992168d9d525a720c
sha512
613af5b5442f3962f95be0d1151f408337b8164c8067afbf2b4b385e66140358a69968fb7a689f284c4f28d6a3c2db26fff3b4cc1b254bd0f2aeaa94eaa17320
ripemd-160
11b2fd72669d8a731babecc80616d02cecd7963a
Diameter
258252056
Circumference
811322761.90406
Area
5.238144283533E+16
Volume
9.018410205647E+24
Surface area
2.0952577134132E+17
Circumference
811322761.90406
Perimeter
516504112
Area
16673531107056784
Diagonal
182611780.05297
Surface area
100041186642340704
Volume
2.1529868445887E+24
Space diagonal
223652841.07556
Perimeter
387378084
Area
7.2198507547506E+15
Altitude
111826420.53778
Surface area
7.2198507547506E+15
Volume
2.5373193293568E+23
Height
60870593.350989