28331390 is an even 8-digits composite number following 28331389
and preceding 28331391 . In scientific notation, it is written as 2.8331390 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 11332552 positive integers (up to 28331390) that are relatively prime to 28331390.
28331390 has 8 divisors, whose sum is 50996520
The reverse of 28331390 is 09313382
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million three hundred thirty-one thousand three hundred ninety
Scientific notation
2.8331390 × 10^7
Engineering notation
2.8331390 × 10^6
Prime Factorization
2 × 5 × 2833139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28331390
Product of the distinct prime numbers
The prime factorization of 28331390 is 2 × 5 × 2833139.
Since it has a total of 3 prime factors.
5 , 9 , 15 , 58 , 178 , 210 , 5692 , 6982 , 31707 , 3434 , 149008 , 7209 , 8383272 , 1718941 , 48660864 , 14047564 , 429911206 , 85436820 , 5603569688 , 1632815832
n×2
56662780
n×3
84994170
n×4
113325560
n×5
141656950
n÷2
14165695
n÷3
9443796.6666667
n÷3
7082847.5
n÷5
5666278
n2
802667659332100
n3
2.2740690496925E+22
n4
6.4427537133767E+29
n5
1.8253216812762E+37
2 √n
5322.7239267127
3 √n
304.85217238281
4 √n
72.957000532593
5 √n
30.935246183468
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
-28331389
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 28331390 can be divided by 8 positive divisors.
The sum of these divisors (counting 28331390) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100000100110101111110
3
Ternary
1222022101100202
4
Quaternary
1230010311332
5
Quinary
24223101030
6
Senary
2451123502
8
Octal
154046576
10
Decimal
28331390
12
Duodecimal
95a3592
16
Hexadecimal
1b04d7e
20
Vigesimal
8h189a
36
Base36
gv8n2
md5
65cb5081f49ecd3eea3c4302ede40a65
sha1
2f919ab6dac159ee7b2a0b779b1be2bf4f2d8e20
sha256
a3de3dae0dbb584a19fc0a846f97d5eabdc8cd0391c449a333626d63509b4207
sha512
4701c2d3aad26fee54e5f65a2ae424be30275479473afb6a388111ea11bd43a6c59be7fe22c904bb915f0954515370f6fc0b249fcb4d8591d9a61269b961bd44
ripemd-160
8a67213e38ba9856b9b64b29c6e690f4efe84c22
Diameter
56662780
Circumference
178011373.37997
Area
2.5216548218318E+15
Volume
9.5255981603598E+22
Surface area
1.0086619287327E+16
Circumference
178011373.37997
Perimeter
113325560
Area
802667659332100
Diagonal
40066635.978881
Surface area
4816005955992600
Volume
2.2740690496925E+22
Space diagonal
49071406.929049
Perimeter
84994170
Area
3.475652918889E+14
Altitude
24535703.464524
Surface area
3.475652918889E+14
Volume
2.68001607654E+21
Height
13355545.326294