28891224 is an even 8-digits composite number following 28891223
and preceding 28891225 . In scientific notation, it is written as 2.8891224 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 9394560 positive integers (up to 28891224) that are relatively prime to 28891224.
28891224 has 32 divisors, whose sum is 61664400
The reverse of 28891224 is 42219882
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million eight hundred ninety-one thousand two hundred twenty-four
Scientific notation
2.8891224 × 10^7
Engineering notation
2.8891224 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 41 × 9787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7222806
Product of the distinct prime numbers
The prime factorization of 28891224 is 2 × 2 × 2 × 9 × 41 × 9787.
Since it has a total of 6 prime factors.
10 , 8 , 42 , 21 , 222 , 4 , 9318 , 6202 , 70418 , 13563 , 782783 , 229158 , 3499931 , 9007256 , 50847919 , 23088479 , 955382099 , 95862507 , 8147115682 , 3564067553
n×2
57782448
n×3
86673672
n×4
115564896
n×5
144456120
n÷2
14445612
n÷3
9630408
n÷3
7222806
n÷5
5778244.8
n2
834702824218176
n3
2.411558626792E+22
n4
6.967288047578E+29
n5
2.012934796551E+37
2 √n
5375.0557206414
3 √n
306.84706986661
4 √n
73.314771503711
5 √n
31.056548497362
1 , 2 , 4 , 8 , 9 , 18 , 36 , 41 , 72 , 82 , 164 , 328 , 369 , 738 , 1476 , 2952 , 9787 , 19574 , 39148 , 78296 , 88083 , 176166 , 352332 , 401267 , 704664 , 802534 , 1605068 , 3210136 , 3611403 , 7222806 , 14445612 , 28891224
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28891223
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28891224 can be divided by 32 positive divisors.
The sum of these divisors (counting 28891224) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110001101100001011000
3
Ternary
2000100211022100
4
Quaternary
1232031201120
5
Quinary
24344004344
6
Senary
2511123400
8
Octal
156154130
10
Decimal
28891224
12
Duodecimal
9813560
16
Hexadecimal
1b8d858
20
Vigesimal
90b814
36
Base36
h78m0
md5
28083b9e4ec40e8be51f8aa0af15bbe2
sha1
041e6a6ad39385503ef253c7de4db917288fe913
sha256
1850ad9395ad8ad59e781dca8e87443003952ffe70583bacd8e5b201eaa0f161
sha512
eca16a140974f88af6341bdcf444db5b55f730cc5c23c85e2907d07b40953d4d56cf95f238144b3bfaaa2204532bcf5343beeab794de3a7e6b079a5705e56402
ripemd-160
0a279a69319be33d171fea465a60556654af78ce
Diameter
57782448
Circumference
181528914.14323
Area
2.6222962604945E+15
Volume
1.0101513154174E+23
Surface area
1.0489185041978E+16
Circumference
181528914.14323
Perimeter
115564896
Area
834702824218176
Diagonal
40858360.814359
Surface area
5008216945309056
Volume
2.411558626792E+22
Space diagonal
50041067.860853
Perimeter
86673672
Area
3.6143692519178E+14
Altitude
25020533.930427
Surface area
3.6143692519178E+14
Volume
2.8420490970559E+21
Height
13619453.604786