28758087 is an odd 8-digits composite number following 28758086
and preceding 28758088 . In scientific notation, it is written as 2.8758087 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 19074528 positive integers (up to 28758087) that are relatively prime to 28758087.
28758087 has 12 divisors, whose sum is 41750800
The reverse of 28758087 is 78085782
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million seven hundred fifty-eight thousand eighty-seven
Scientific notation
2.8758087 × 10^7
Engineering notation
2.8758087 × 10^6
Prime Factorization
3 × 3 × 199 × 16057
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9586029
Product of the distinct prime numbers
The prime factorization of 28758087 is 3 × 3 × 199 × 16057.
Since it has a total of 4 prime factors.
1 , 5 , 77 , 71 , 127 , 881 , 4598 , 1499 , 13110 , 95390 , 663688 , 556323 , 8607489 , 8326605 , 43736680 , 13038522 , 687383184 , 998561006 , 7941693374 , 5624587769
n×2
57516174
n×3
86274261
n×4
115032348
n×5
143790435
n÷2
14379043.5
n÷3
9586029
n÷3
7189521.75
n÷5
5751617.4
n2
827027567899569
n3
2.3783730749054E+22
n4
6.8397459806588E+29
n5
1.9669800996969E+37
2 √n
5362.6567109969
3 √n
306.37500480657
4 √n
73.230162576611
5 √n
31.027872533932
1 , 3 , 9 , 199 , 597 , 1791 , 16057 , 48171 , 144513 , 3195343 , 9586029 , 28758087
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
-28758086
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 28758087 can be divided by 12 positive divisors.
The sum of these divisors (counting 28758087) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101101101000001000111
3
Ternary
2000010001200100
4
Quaternary
1231231001013
5
Quinary
24330224322
6
Senary
2504215143
8
Octal
155550107
10
Decimal
28758087
12
Duodecimal
976a4b3
16
Hexadecimal
1b6d047
20
Vigesimal
8jef47
36
Base36
h4dvr
md5
728e4ad45f290ce53f3530210f61c182
sha1
ae74576dba88db546de7ee5d24d46b0da76059fa
sha256
cb110d4864b3a2b882f09ad6a6102a338b2f466ea1821a3b5b70bec700f36d1e
sha512
f1a0e1ce362a3989ec5b822bb3b67566e29cdf143717790f6202cf6ba2d53faa2a92ef0adbfdc14898d913283ba4d17128b6084189247773fe1416173045ff62
ripemd-160
2d3206dc95feed9122f7101dcd1edfdef625a1f7
Diameter
57516174
Circumference
180692389.70099
Area
2.5981837316295E+15
Volume
9.9625058394915E+22
Surface area
1.0392734926518E+16
Circumference
180692389.70099
Perimeter
115032348
Area
827027567899569
Diagonal
40670076.663305
Surface area
4962165407397414
Volume
2.3783730749054E+22
Space diagonal
49810467.812486
Perimeter
86274261
Area
3.5811344171554E+14
Altitude
24905233.906243
Surface area
3.5811344171554E+14
Volume
2.8029395490952E+21
Height
13556692.221102