28331380 is an even 8-digits composite number following 28331379
and preceding 28331381 . In scientific notation, it is written as 2.8331380 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 8830080 positive integers (up to 28331380) that are relatively prime to 28331380.
28331380 has 12 divisors, whose sum is 49711396
The reverse of 28331380 is 08313382
Previous prime number is 385
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million three hundred thirty-one thousand three hundred eighty
Scientific notation
2.8331380 × 10^7
Engineering notation
2.8331380 × 10^6
Prime Factorization
2 × 2 × 385 × 18397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14165690
Product of the distinct prime numbers
The prime factorization of 28331380 is 2 × 2 × 385 × 18397.
Since it has a total of 4 prime factors.
7 , 1 , 44 , 14 , 731 , 666 , 6626 , 3942 , 29961 , 76122 , 23300 , 12233 , 3940088 , 5522236 , 45963868 , 96054546 , 433742256 , 298946631 , 5124201807 , 4321109373
n×2
56662760
n×3
84994140
n×4
113325520
n×5
141656900
n÷2
14165690
n÷3
9443793.3333333
n÷3
7082845
n÷5
5666276
n2
802667092704400
n3
2.2740666416904E+22
n4
6.4427446171053E+29
n5
1.8253184599017E+37
2 √n
5322.722987344
3 √n
304.85213651538
4 √n
72.956994094768
5 √n
30.935243999653
1 , 2 , 4 , 385 , 770 , 1540 , 18397 , 36794 , 73588 , 7082845 , 14165690 , 28331380
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28331379
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28331380 can be divided by 12 positive divisors.
The sum of these divisors (counting 28331380) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100000100110101110100
3
Ternary
1222022101100101
4
Quaternary
1230010311310
5
Quinary
24223101010
6
Senary
2451123444
8
Octal
154046564
10
Decimal
28331380
12
Duodecimal
95a3584
16
Hexadecimal
1b04d74
20
Vigesimal
8h1890
36
Base36
gv8ms
md5
4189cc7700a3e73f57b3d5fc67bc352b
sha1
808d2a6b1429a5791cc310ed09ebc4b0b7dd95e8
sha256
30abe7895b9f814afdf43b1e6e529e692688205f5dd60cf48935c9b3660f236e
sha512
1e455beb2e535d25e8cf51c45affd0672d66bbad4c8f722e07d377a693eac6f8d52701af3da8e28bd66aac2e731e6f053a5b4e5098e5636175ca6fb86341360b
ripemd-160
678f36281ddad2efa0162985771f085a591292da
Diameter
56662760
Circumference
178011310.54812
Area
2.5216530417184E+15
Volume
9.5255880737441E+22
Surface area
1.0086612166874E+16
Circumference
178011310.54812
Perimeter
113325520
Area
802667092704400
Diagonal
40066621.836746
Surface area
4816002556226400
Volume
2.2740666416904E+22
Space diagonal
49071389.608541
Perimeter
84994140
Area
3.475650465319E+14
Altitude
24535694.80427
Surface area
3.475650465319E+14
Volume
2.6800132386823E+21
Height
13355540.612249