28436987 is an odd 8-digits prime number following 28436986
and preceding 28436988 . In scientific notation, it is written as 2.8436987 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 28436986 positive integers (up to 28436987) that are relatively prime to 28436987.
28436987 has 2 divisors, whose sum is 28436988
The reverse of 28436987 is 78963482
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
twenty-eight million four hundred thirty-six thousand nine hundred eighty-seven
Scientific notation
2.8436987 × 10^7
Engineering notation
2.8436987 × 10^6
Prime Factorization
28436987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28436987 Product of the distinct prime numbers
The prime factorization of 28436987 is 28436987.
Since it has a total of 1 prime factors.
2 , 7 , 77 , 63 , 850 , 350 , 5975 , 4443 , 76601 , 92198 , 325680 , 719529 , 8416180 , 9404587 , 35619393 , 36478829 , 511705286 , 156264091 , 1101578201 , 4505768909
n×2
56873974
n×3
85310961
n×4
113747948
n×5
142184935
n÷2
14218493.5
n÷3
9478995.6666667
n÷3
7109246.75
n÷5
5687397.4
n2
808662229638169
n3
2.2995917311612E+22
n4
6.5393460164337E+29
n5
1.8595929765783E+37
2 √n5332.6341520866
3 √n305.2304520069
4 √n73.024887210365
5 √n30.958272302774
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28436988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14218494 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5332.6342458489 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999296691 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28436987 can be divided by 2 positive divisors.
The sum of these divisors (counting 28436987) is 28436988, the average is 14218494.
Base
System
Value
2
Binary
1101100011110100111111011
3
Ternary
1222111202012202
4
Quaternary
1230132213323
5
Quinary
24234440422
6
Senary
2453300415
8
Octal
154364773
10
Decimal
28436987
12
Duodecimal
963470b
16
Hexadecimal
1b1e9fb
20
Vigesimal
8hec97
36
Base36
gxi4b
md5
2058141b47bf6206d44f5d27bb032ac5
sha1
1f97308a3e151e7a93d7937d314b4099325abc70
sha256
9b1f66a1b1bbd2059a926e4d920816c1ab4b08b11285cb28456ec506b2a32e44
sha512
c6d0dc141c1025926e5873f327b7f94e8c276739f89454e4b4d8b0a0a649f3415445820f8c4d8b0ec6ec985a39fccfb8c267ee1fc66718889665952b550bfa4f
ripemd-160
fa0bdece7ce2740fd50bb29b98fecc7c77f245ce
Diameter
56873974
Circumference
178674858.89886
Area
2.5404873198668E+15
Volume
9.6325073184957E+22
Surface area
1.0161949279467E+16
Circumference
178674858.89886
Perimeter
113747948
Area
808662229638169
Diagonal
40215972.688427
Surface area
4851973377829014
Volume
2.2995917311612E+22
Space diagonal
49254306.298176
Perimeter
85310961
Area
3.5016101697381E+14
Altitude
24627153.149088
Surface area
3.5016101697381E+14
Volume
2.7100948451076E+21
Height
13405324.229476