28291390 is an even 8-digits composite number following 28291389
and preceding 28291391 . In scientific notation, it is written as 2.8291390 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 11316552 positive integers (up to 28291390) that are relatively prime to 28291390.
28291390 has 8 divisors, whose sum is 50924520
The reverse of 28291390 is 09319282
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million two hundred ninety-one thousand three hundred ninety
Scientific notation
2.8291390 × 10^7
Engineering notation
2.8291390 × 10^6
Prime Factorization
2 × 5 × 2829139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28291390
Product of the distinct prime numbers
The prime factorization of 28291390 is 2 × 5 × 2829139.
Since it has a total of 3 prime factors.
3 , 6 , 42 , 25 , 113 , 599 , 7646 , 2978 , 92664 , 87207 , 381461 , 127646 , 6159388 , 7924114 , 97549140 , 14751479 , 830073860 , 88389285 , 2261695066 , 5453484553
n×2
56582780
n×3
84874170
n×4
113165560
n×5
141456950
n÷2
14145695
n÷3
9430463.3333333
n÷3
7072847.5
n÷5
5658278
n2
800402748132100
n3
2.2644506304477E+22
n4
6.4064455921742E+29
n5
1.8124725076198E+37
2 √n
5318.9651249092
3 √n
304.70863512386
4 √n
72.931235591543
5 √n
30.926505989213
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291390 can be divided by 8 positive divisors.
The sum of these divisors (counting 28291390) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111011000100111110
3
Ternary
1222020100111021
4
Quaternary
1223323010332
5
Quinary
24220311030
6
Senary
2450214354
8
Octal
153730476
10
Decimal
28291390
12
Duodecimal
95843ba
16
Hexadecimal
1afb13e
20
Vigesimal
8gg89a
36
Base36
gudry
md5
d592a25361d07d945f5c4dd1cdcea4c3
sha1
dab9265b0ce1ddbabf0959c0132b0e6d45faa603
sha256
081b8c309a3affe8104422adbd4efae69359b82377dfb8e926094d3e49139747
sha512
0c692baf5ca7a5eea3f682700c155a130ea8d591ec770935a442c43144276a8df34ca003ee4fe459582b5faca3dab9d2602ef2c1cfa61435e58a09f564ac99da
ripemd-160
a252ccffafbb88755dbe457403684f0179e02057
Diameter
56582780
Circumference
177760045.96769
Area
2.5145393934449E+15
Volume
9.4853086200417E+22
Surface area
1.005815757378E+16
Circumference
177760045.96769
Perimeter
113165560
Area
800402748132100
Diagonal
40010067.436387
Surface area
4802416488792600
Volume
2.2644506304477E+22
Space diagonal
49002124.896746
Perimeter
84874170
Area
3.4658455657064E+14
Altitude
24501062.448373
Surface area
3.4658455657064E+14
Volume
2.6686806607529E+21
Height
13336689.145462