28576987 is an odd 8-digits composite number following 28576986
and preceding 28576988 . In scientific notation, it is written as 2.8576987 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 27211392 positive integers (up to 28576987) that are relatively prime to 28576987.
28576987 has 8 divisors, whose sum is 29975616
The reverse of 28576987 is 78967582
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million five hundred seventy-six thousand nine hundred eighty-seven
Scientific notation
2.8576987 × 10^7
Engineering notation
2.8576987 × 10^6
Prime Factorization
47 × 37 × 16433
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28576987
Product of the distinct prime numbers
The prime factorization of 28576987 is 47 × 37 × 16433.
Since it has a total of 3 prime factors.
4 , 7 , 94 , 87 , 308 , 319 , 391 , 1046 , 94536 , 81037 , 646288 , 47270 , 7497315 , 6856925 , 6322988 , 74173353 , 218271480 , 880366443 , 6756398188 , 3767718611
n×2
57153974
n×3
85730961
n×4
114307948
n×5
142884935
n÷2
14288493.5
n÷3
9525662.3333333
n÷3
7144246.75
n÷5
5715397.4
n2
816644185998169
n3
2.3337230286895E+22
n4
6.6690772652461E+29
n5
1.9058213431093E+37
2 √n
5345.7447563459
3 √n
305.73053227735
4 √n
73.114600158559
5 √n
30.988694992324
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
-28576986
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 28576987 can be divided by 8 positive divisors.
The sum of these divisors (counting 28576987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101000000110011011011
3
Ternary
1222202212020221
4
Quaternary
1231000303123
5
Quinary
24303430422
6
Senary
2500300511
8
Octal
155006333
10
Decimal
28576987
12
Duodecimal
96a1737
16
Hexadecimal
1b40cdb
20
Vigesimal
8ic297
36
Base36
h0i57
md5
f514fd2abcd5d57af169090614c8d9d1
sha1
326f76dbed00167d4cfb3c4a6ee94277e0af9fb3
sha256
86d7012bf3cc1d0410c5d6aac9d57e7a78b676b254cf6f7db15b59da13124b7a
sha512
ffdac632d5a1b3f9f9bddd0d4f23e4ca4bc539fead1032ca0e0c8207585b8ecda408cf4d2a72473202fd4427a5ffd8e0ef10138d7147fb3770fa735a8a823815
ripemd-160
d1b5ce05601f1438f9dc560b117d8e81a4d4ae99
Diameter
57153974
Circumference
179554504.84186
Area
2.5655633753287E+15
Volume
9.7754761632591E+22
Surface area
1.0262253501315E+16
Circumference
179554504.84186
Perimeter
114307948
Area
816644185998169
Diagonal
40413962.58716
Surface area
4899865115989014
Volume
2.3337230286895E+22
Space diagonal
49496793.411235
Perimeter
85730961
Area
3.5361730546364E+14
Altitude
24748396.705618
Surface area
3.5361730546364E+14
Volume
2.750318964996E+21
Height
13471320.862387