28164987 (number)

28164987 is an odd 8-digits composite number following 28164986 and preceding 28164988. In scientific notation, it is written as 2.8164987 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 18776652 positive integers (up to 28164987) that are relatively prime to 28164987.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-four thousand nine hundred eighty-seven

Notation

Scientific notation 2.8164987 × 10^7
Engineering notation 2.8164987 × 10^6

Prime Factorization of 28164987

Prime Factorization 9 × 3129443

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28164987
Product of the distinct prime numbers

The prime factorization of 28164987 is 9 × 3129443. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 60, 91, 755, 420, 8939, 3554, 13051, 48832, 944583, 654245, 8759617, 8561293, 76981520, 85908343, 993909702, 552241901, 3673995506, 673214554

Basic calculations (n = 28164987)

Multiplication

n×y
n×2 56329974
n×3 84494961
n×4 112659948
n×5 140824935

Division

n÷y
n÷2 14082493.5
n÷3 9388329
n÷3 7041246.75
n÷5 5632997.4

Exponentiation

ny
n2 793266492710169
n3 2.2342340454718E+22
n4 6.2927172845669E+29
n5 1.772343005145E+37

Nth Root

y√n
2√n 5307.0695303529
3√n 304.25415538788
4√n 72.849636446264
5√n 30.898821182706

Divisors of 28164987

1, 9, 3129443, 28164987

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 -28164986
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 28164987 can be divided by 4 positive divisors. The sum of these divisors (counting 28164987) is 1, the average is 0.25.

Base conversion 28164987

Base System Value
2 Binary 1101011011100001101111011
3 Ternary 1221222221002200
4 Quaternary 1223130031323
5 Quinary 24202234422
6 Senary 2443401243
8 Octal 153341573
10 Decimal 28164987
12 Duodecimal 9523223
16 Hexadecimal 1adc37b
20 Vigesimal 8g0c97
36 Base36 gro8r

Cryptographic Hash Functions

md5 004142b03647d1835d019316ef737199
sha1 0367b46424da44160582e32768031c1f30b394dd
sha256 d6013262160bba4337585face2829c080f94bc5b581eb6b161882e1acf4de431
sha512 23980d0158f7d07d32caedacef3e42802ef365119cbdf7ac3d5b46cb3fbe75d615c953a1a1b380d5ef6d3dfe2310d58b75def5216a6669c0f85a3f3efcbe354d
ripemd-160 9a02771bb3e900c682eaadcf962a227033d7c18e

28164987 as geometric shapes

Circle

Radius = n
Diameter 56329974
Circumference 176965832.4953
Area 2.4921201858372E+15

Sphere

Radius = n
Volume 9.3587376848723E+22
Surface area 9.9684807433488E+15
Circumference 176965832.4953

Square

Length = n
Perimeter 112659948
Area 793266492710169
Diagonal 39831306.599462

Cube

Length = n
Surface area 4759598956261014
Volume 2.2342340454718E+22
Space diagonal 48783188.478517

Equilateral Triangle

Length = n
Perimeter 84494961
Area 3.4349446732899E+14
Altitude 24391594.239258

Triangular Pyramid

Length = n
Surface area 3.4349446732899E+14
Volume 2.6330700738515E+21
Height 13277102.199821