28366987 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred sixty-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.8366987 × 10^7
Engineering notation 2.8366987 × 10^6

Prime Factorization of 28366987

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.

Most popular turbo-numbers

Basic calculations (n = 28366987)

Multiplication

n×y
n×2 56733974
n×3 85100961
n×4 113467948
n×5 141834935

Division

n÷y
n÷2 14183493.5
n÷3 9455662.3333333
n÷3 7091746.75
n÷5 5673397.4

Exponentiation

ny
n2 804685951458169
n3 2.2826515924097E+22
n4 6.4751948047414E+29
n5 1.8368176684857E+37

Nth Root

y√n
2√n 5326.0667476103
3√n 304.97979620715
4√n 72.979906464795
5√n 30.94301600297

Divisors of 28366987

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 conversion 28366987

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

Cryptographic Hash Functions

md5 f234c4fa859b7f38bcc45882ef566ea7
sha1 4d33f973acb5ba3c1d9dae16aa5f9b781767090b
sha256 8b6c06f27f06c022088bea07a9ee6c5249e7ce25acd306b819158755e861e983
sha512 966389adff8d5de394869942158703e75dd6a0004de43b32203d2c9a5d47b57196f5db83570a54a37c06709c17dedf200e60d4ca50fd41be70f071a0eefee23d
ripemd-160 e83463150f75a046559ee4e94a17532f872ed419

28366987 as geometric shapes

Circle

Radius = n
Diameter 56733974
Circumference 178235035.92735
Area 2.5279954735479E+15

Sphere

Radius = n
Volume 9.5615486312256E+22
Surface area 1.0111981894192E+16
Circumference 178235035.92735

Square

Length = n
Perimeter 113467948
Area 804685951458169
Diagonal 40116977.739061

Cube

Length = n
Surface area 4828115708749014
Volume 2.2826515924097E+22
Space diagonal 49133062.741646

Equilateral Triangle

Length = n
Perimeter 85100961
Area 3.4843923801561E+14
Altitude 24566531.370823

Triangular Pyramid

Length = n
Surface area 3.4843923801561E+14
Volume 2.6901307001319E+21
Height 13372325.91302