29128729 is an odd 8-digits composite number following 29128728
and preceding 29128730 . In scientific notation, it is written as 2.9128729 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 23651352 positive integers (up to 29128729) that are relatively prime to 29128729.
29128729 has 12 divisors, whose sum is 35137344
The reverse of 29128729 is 92782192
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-nine million one hundred twenty-eight thousand seven hundred twenty-nine
Scientific notation
2.9128729 × 10^7
Engineering notation
2.9128729 × 10^6
Prime Factorization
7 × 19 × 19 × 11527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1533091
Product of the distinct prime numbers
The prime factorization of 29128729 is 7 × 19 × 19 × 11527.
Since it has a total of 4 prime factors.
4 , 1 , 5 , 18 , 291 , 861 , 5670 , 7235 , 11713 , 3056 , 813757 , 789384 , 8843951 , 2040289 , 27202505 , 27813044 , 728167623 , 533524496 , 6578513349 , 9377770728
n×2
58257458
n×3
87386187
n×4
116514916
n×5
145643645
n÷2
14564364.5
n÷3
9709576.3333333
n÷3
7282182.25
n÷5
5825745.8
n2
848482853155441
n3
2.4715227090712E+22
n4
7.199231520988E+29
n5
2.0970446398312E+37
2 √n
5397.1037603515
3 √n
307.68560500303
4 √n
73.464983225694
5 √n
31.107442498779
1 , 7 , 19 , 133 , 361 , 2527 , 11527 , 80689 , 219013 , 1533091 , 4161247 , 29128729
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
-29128728
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 29128729 can be divided by 12 positive divisors.
The sum of these divisors (counting 29128729) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101111000111100000011001
3
Ternary
2000210220002211
4
Quaternary
1233013200121
5
Quinary
24424104404
6
Senary
2520155121
8
Octal
157074031
10
Decimal
29128729
12
Duodecimal
9908aa1
16
Hexadecimal
1bc7819
20
Vigesimal
9211g9
36
Base36
hcbvd
md5
552cd6d1030e1aeab46149b97acd2528
sha1
c98906c63d53021b92ef9aa728b385c8fcfc3af4
sha256
11ebfa43abcf4638081a42cf875ffc13218664d1a213cafc920566902f6610fa
sha512
f9e718020e2d82c9ebffcba0486cb30eb6e03877a8475bfcaf5dc8372c151984ca317eabc90b6f4506d1b3027f95e2217614f3689e9fb32268fea1c75fef0754
ripemd-160
d28303611e960b53774841dcf2eec645e254d202
Diameter
58257458
Circumference
183021202.06962
Area
2.66558749817E+15
Volume
1.0352690114664E+23
Surface area
1.066234999268E+16
Circumference
183021202.06962
Perimeter
116514916
Area
848482853155441
Diagonal
41194243.60649
Surface area
5090897118932646
Volume
2.4715227090712E+22
Space diagonal
50452438.587905
Perimeter
87386187
Area
3.6740385275406E+14
Altitude
25226219.293952
Surface area
3.6740385275406E+14
Volume
2.9127174457346E+21
Height
13731414.535497