28897984 is an even 8-digits composite number following 28897983
and preceding 28897985 . In scientific notation, it is written as 2.8897984 × 10^7.
The sum of its digits is 55. It has a total of 8 prime factors and 28 positive divisors.
There are 14370048 positive integers (up to 28897984) that are relatively prime to 28897984.
28897984 has 28 divisors, whose sum is 57658000
The reverse of 28897984 is 48979882
Previous prime number is 2269
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-eight million eight hundred ninety-seven thousand nine hundred eighty-four
Scientific notation
2.8897984 × 10^7
Engineering notation
2.8897984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2269 × 199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
903062
Product of the distinct prime numbers
The prime factorization of 28897984 is 2 × 2 × 2 × 2 × 2 × 2 × 2269 × 199.
Since it has a total of 8 prime factors.
6 , 6 , 24 , 87 , 176 , 616 , 932 , 6927 , 16404 , 24757 , 921242 , 313657 , 43416 , 3290810 , 42190657 , 70275039 , 808169186 , 456838850 , 5093630028 , 4452879067
n×2
57795968
n×3
86693952
n×4
115591936
n×5
144489920
n÷2
14448992
n÷3
9632661.3333333
n÷3
7224496
n÷5
5779596.8
n2
835093479264256
n3
2.4132518002283E+22
n4
6.9738111910968E+29
n5
2.0152908421934E+37
2 √n
5375.6845145525
3 √n
306.87100013729
4 √n
73.319059694956
5 √n
31.058001690357
1 , 2 , 4 , 8 , 16 , 32 , 64 , 199 , 398 , 796 , 1592 , 2269 , 3184 , 4538 , 6368 , 9076 , 12736 , 18152 , 36304 , 72608 , 145216 , 451531 , 903062 , 1806124 , 3612248 , 7224496 , 14448992 , 28897984
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28897983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28897984 can be divided by 28 positive divisors.
The sum of these divisors (counting 28897984) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1101110001111001011000000
3
Ternary
2000101011120201
4
Quaternary
1232033023000
5
Quinary
24344213414
6
Senary
2511214544
8
Octal
156171300
10
Decimal
28897984
12
Duodecimal
9817454
16
Hexadecimal
1b8f2c0
20
Vigesimal
90c4j4
36
Base36
h7dts
md5
503b9c592c3418c58e408ba8e972d460
sha1
08e93c087bd0c6c2b9ef1a8c6d449ea693bacd29
sha256
fe5fe1ae7d8695336baaba04fd8e9302112ba7a1ecabfc7fa4005a8373bb5680
sha512
cdbe8d9e86d7878dae1b56390ed40f5662e94f44aafc0e4941356e7b36fc84ef6c4934e72cd7bc34de5b88a915317390dd6ba4edc7d2486866da96e37dc5c4a6
ripemd-160
90492ee63a37fba4d3d9f799cd5b08d29a47061e
Diameter
57795968
Circumference
181571388.47591
Area
2.6235235395173E+15
Volume
1.0108605502479E+23
Surface area
1.0494094158069E+16
Circumference
181571388.47591
Perimeter
115591936
Area
835093479264256
Diagonal
40867920.898041
Surface area
5010560875585536
Volume
2.4132518002283E+22
Space diagonal
50052776.524312
Perimeter
86693952
Area
3.6160608378879E+14
Altitude
25026388.262156
Surface area
3.6160608378879E+14
Volume
2.8440445210868E+21
Height
13622640.299347