28931402 is an even 8-digits composite number following 28931401
and preceding 28931403 . In scientific notation, it is written as 2.8931402 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 14281920 positive integers (up to 28931402) that are relatively prime to 28931402.
28931402 has 16 divisors, whose sum is 43953000
The reverse of 28931402 is 20413982
Previous prime number is 349
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million nine hundred thirty-one thousand four hundred two
Scientific notation
2.8931402 × 10^7
Engineering notation
2.8931402 × 10^6
Prime Factorization
2 × 181 × 349 × 229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931402
Product of the distinct prime numbers
The prime factorization of 28931402 is 2 × 181 × 349 × 229.
Since it has a total of 4 prime factors.
10 , 6 , 78 , 73 , 711 , 724 , 2480 , 5437 , 47929 , 37992 , 163211 , 211386 , 4167274 , 2208646 , 72121985 , 28072359 , 678825 , 211109945 , 4714348876 , 3034535196
n×2
57862804
n×3
86794206
n×4
115725608
n×5
144657010
n÷2
14465701
n÷3
9643800.6666667
n÷3
7232850.5
n÷5
5786280.4
n2
837026021685604
n3
2.4216336317847E+22
n4
7.0061256097883E+29
n5
2.0269703647928E+37
2 √n
5378.7918717868
3 √n
306.98924442508
4 √n
73.34024728474
5 √n
31.065181544416
1 , 2 , 181 , 229 , 349 , 362 , 458 , 698 , 41449 , 63169 , 79921 , 82898 , 126338 , 159842 , 14465701 , 28931402
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931401
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931402 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931402) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010101001010
3
Ternary
2000102212102102
4
Quaternary
1232113111022
5
Quinary
24401301102
6
Senary
2512033402
8
Octal
156272512
10
Decimal
28931402
12
Duodecimal
9832862
16
Hexadecimal
1b9754a
20
Vigesimal
90g8a2
36
Base36
h83m2
md5
ce3c311693a39c33a29e536c2e6df37a
sha1
00bcb364a44dac471916d21b62825f2c5cedac39
sha256
0b3f94f9239e509cca0711e810f858a0a50d1020bb299350ac291d9eb13784dd
sha512
7e89dc2ce3fd9c8a71e1203eafeb6b4003f6164fde702c9906e68888371c7dfae6d6e7626853116c510e4a2d16fcb9323db0f0cd736bd6da124a18ddc73c1d5d
ripemd-160
07491073f84dc6ce9fcc61bbeb365d6f7e5a3ac4
Diameter
57862804
Circumference
181781359.96251
Area
2.629594800591E+15
Volume
1.0143715236401E+23
Surface area
1.0518379202364E+16
Circumference
181781359.96251
Perimeter
115725608
Area
837026021685604
Diagonal
40915181.086868
Surface area
5022156130113624
Volume
2.4216336317847E+22
Space diagonal
50110658.1982
Perimeter
86794206
Area
3.6244289920418E+14
Altitude
25055329.0991
Surface area
3.6244289920418E+14
Volume
2.8539226043073E+21
Height
13638393.695623