28366987 is an odd 8-digits composite number following 28366986
and preceding 28366988 . In scientific notation, it is written as 2.8366987 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 25788160 positive integers (up to 28366987) that are relatively prime to 28366987.
28366987 has 4 divisors, whose sum is 30945816
The reverse of 28366987 is 78966382
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million three hundred sixty-six thousand nine hundred eighty-seven
Scientific notation
2.8366987 × 10^7
Engineering notation
2.8366987 × 10^6
Prime Factorization
11 × 2578817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28366987
Product of the distinct prime numbers
The prime factorization of 28366987 is 11 × 2578817.
Since it has a total of 2 prime factors.
7 , 4 , 27 , 91 , 804 , 924 , 845 , 5524 , 44515 , 70535 , 753392 , 193157 , 804513 , 4887584 , 96656382 , 75439549 , 588914975 , 913689306 , 9235517936 , 34910242
n×2
56733974
n×3
85100961
n×4
113467948
n×5
141834935
n÷2
14183493.5
n÷3
9455662.3333333
n÷3
7091746.75
n÷5
5673397.4
n2
804685951458169
n3
2.2826515924097E+22
n4
6.4751948047414E+29
n5
1.8368176684857E+37
2 √n
5326.0667476103
3 √n
304.97979620715
4 √n
72.979906464795
5 √n
30.94301600297
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28366986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28366987 can be divided by 4 positive divisors.
The sum of these divisors (counting 28366987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100001101100010001011
3
Ternary
1222101012012011
4
Quaternary
1230031202023
5
Quinary
24230220422
6
Senary
2452000351
8
Octal
154154213
10
Decimal
28366987
12
Duodecimal
96000b7
16
Hexadecimal
1b0d88b
20
Vigesimal
8h5h97
36
Base36
gw03v
md5
f234c4fa859b7f38bcc45882ef566ea7
sha1
4d33f973acb5ba3c1d9dae16aa5f9b781767090b
sha256
8b6c06f27f06c022088bea07a9ee6c5249e7ce25acd306b819158755e861e983
sha512
966389adff8d5de394869942158703e75dd6a0004de43b32203d2c9a5d47b57196f5db83570a54a37c06709c17dedf200e60d4ca50fd41be70f071a0eefee23d
ripemd-160
e83463150f75a046559ee4e94a17532f872ed419
Diameter
56733974
Circumference
178235035.92735
Area
2.5279954735479E+15
Volume
9.5615486312256E+22
Surface area
1.0111981894192E+16
Circumference
178235035.92735
Perimeter
113467948
Area
804685951458169
Diagonal
40116977.739061
Surface area
4828115708749014
Volume
2.2826515924097E+22
Space diagonal
49133062.741646
Perimeter
85100961
Area
3.4843923801561E+14
Altitude
24566531.370823
Surface area
3.4843923801561E+14
Volume
2.6901307001319E+21
Height
13372325.91302