29128725 is an odd 8-digits composite number following 29128724
and preceding 29128726 . In scientific notation, it is written as 2.9128725 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors.
There are 15535200 positive integers (up to 29128725) that are relatively prime to 29128725.
29128725 has 18 divisors, whose sum is 52173186
The reverse of 29128725 is 52782192
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-nine million one hundred twenty-eight thousand seven hundred twenty-five
Scientific notation
2.9128725 × 10^7
Engineering notation
2.9128725 × 10^6
Prime Factorization
3 × 3 × 5 × 5 × 129461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1941915
Product of the distinct prime numbers
The prime factorization of 29128725 is 3 × 3 × 5 × 5 × 129461.
Since it has a total of 5 prime factors.
8 , 7 , 97 , 72 , 561 , 176 , 9506 , 9834 , 63301 , 85058 , 22215 , 260227 , 6622782 , 6272265 , 77317177 , 12421735 , 970279316 , 166365411 , 1630402710 , 8220871909
n×2
58257450
n×3
87386175
n×4
116514900
n×5
145643625
n÷2
14564362.5
n÷3
9709575
n÷3
7282181.25
n÷5
5825745
n2
848482620125625
n3
2.4715216908919E+22
n4
7.1992275665525E+29
n5
2.0970431999853E+37
2 √n
5397.1033897823
3 √n
307.68559091908
4 √n
73.464980703614
5 √n
31.107441644435
1 , 3 , 5 , 9 , 15 , 25 , 45 , 75 , 225 , 129461 , 388383 , 647305 , 1165149 , 1941915 , 3236525 , 5825745 , 9709575 , 29128725
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29128724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29128725 can be divided by 18 positive divisors.
The sum of these divisors (counting 29128725) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1101111000111100000010101
3
Ternary
2000210220002200
4
Quaternary
1233013200111
5
Quinary
24424104400
6
Senary
2520155113
8
Octal
157074025
10
Decimal
29128725
12
Duodecimal
9908a99
16
Hexadecimal
1bc7815
20
Vigesimal
9211g5
36
Base36
hcbv9
md5
a3184402bbb17d2de0826dabcb43128a
sha1
f4ec3370e6df449ad73c9af1b433a85263ab791a
sha256
a92769ac6557805e4dd4184230f169d7ce889ab58f7170d27cf72c42e8cc7425
sha512
eb08bd55c47b41c1fd0d3c61460ac9ef952d8f72d75ffbe1637c046f1399f35c6e6ab476288768d92c532a03ea5d1a1848918ae5932ec7ab1c890f2d4da75a7f
ripemd-160
eccbf3eb785ad165a4310196c83a02fcba967404
Diameter
58257450
Circumference
183021176.93687
Area
2.6655867660853E+15
Volume
1.0352685849725E+23
Surface area
1.0662347064341E+16
Circumference
183021176.93687
Perimeter
116514900
Area
848482620125625
Diagonal
41194237.949636
Surface area
5090895720753750
Volume
2.4715216908919E+22
Space diagonal
50452431.659702
Perimeter
87386175
Area
3.6740375184919E+14
Altitude
25226215.829851
Surface area
3.6740375184919E+14
Volume
2.9127162457988E+21
Height
13731412.649879