28931429 is an odd 8-digits composite number following 28931428
and preceding 28931430 . In scientific notation, it is written as 2.8931429 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 28911840 positive integers (up to 28931429) that are relatively prime to 28931429.
28931429 has 4 divisors, whose sum is 28951020
The reverse of 28931429 is 92413982
Previous prime number is 1609
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million nine hundred thirty-one thousand four hundred twenty-nine
Scientific notation
2.8931429 × 10^7
Engineering notation
2.8931429 × 10^6
Prime Factorization
1609 × 17981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28931429
Product of the distinct prime numbers
The prime factorization of 28931429 is 1609 × 17981.
Since it has a total of 2 prime factors.
5 , 4 , 86 , 58 , 120 , 915 , 2238 , 2322 , 29020 , 56870 , 857157 , 580049 , 2758311 , 3407703 , 18657305 , 79638318 , 501541059 , 856955111 , 3936151319 , 7053463310
n×2
57862858
n×3
86794287
n×4
115725716
n×5
144657145
n÷2
14465714.5
n÷3
9643809.6666667
n÷3
7232857.25
n÷5
5786285.8
n2
837027583982041
n3
2.4216404117018E+22
n4
7.0061517634681E+29
n5
2.02697982308E+37
2 √n
5378.7943816435
3 √n
306.98933992347
4 √n
73.340264395784
5 √n
31.065187342681
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931428
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931429 can be divided by 4 positive divisors.
The sum of these divisors (counting 28931429) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110010111010101100101
3
Ternary
2000102212110102
4
Quaternary
1232113111211
5
Quinary
24401301204
6
Senary
2512033445
8
Octal
156272545
10
Decimal
28931429
12
Duodecimal
9832885
16
Hexadecimal
1b97565
20
Vigesimal
90g8b9
36
Base36
h83mt
md5
d47ef3253e4feaa593c52ea683d62797
sha1
14ce3395cde3ad5c4bb95e066f82e0cef8e85197
sha256
fe34b1fec47f0c8c6d4da802a673587bd4c2009c0818a1bc403b8346cc902cd8
sha512
5bf0760a2bcb4be48c43d3352a8ae1335534dc046f1640b11cac4a2c5996d47524095396deb6ee855d124040a01ebe958a29ccd2ed886467ceeb8d4c4cc9a9f8
ripemd-160
0e00cd6d1a561d20c364081eea5b34e864d50917
Diameter
57862858
Circumference
181781529.60851
Area
2.62959970869E+15
Volume
1.0143743636051E+23
Surface area
1.051839883476E+16
Circumference
181781529.60851
Perimeter
115725716
Area
837027583982041
Diagonal
40915219.270634
Surface area
5022165503892246
Volume
2.4216404117018E+22
Space diagonal
50110704.963572
Perimeter
86794287
Area
3.6244357569838E+14
Altitude
25055352.481786
Surface area
3.6244357569838E+14
Volume
2.8539305945162E+21
Height
13638406.423545