28388637 (number)

28388637 is an odd 8-digits composite number following 28388636 and preceding 28388638. In scientific notation, it is written as 2.8388637 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 18639720 positive integers (up to 28388637) that are relatively prime to 28388637.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-eight thousand six hundred thirty-seven

Notation

Scientific notation 2.8388637 × 10^7
Engineering notation 2.8388637 × 10^6

Prime Factorization of 28388637

Prime Factorization 27 × 3 × 67 × 5231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28388637
Product of the distinct prime numbers

The prime factorization of 28388637 is 27 × 3 × 67 × 5231. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 41, 33, 79, 214, 5597, 321, 73608, 96109, 25645, 608863, 8893538, 701858, 78984696, 86418588, 565944403, 297135504, 3122124024, 6445314732

Basic calculations (n = 28388637)

Multiplication

n×y
n×2 56777274
n×3 85165911
n×4 113554548
n×5 141943185

Division

n÷y
n÷2 14194318.5
n÷3 9462879
n÷3 7097159.25
n÷5 5677727.4

Exponentiation

ny
n2 805914710717769
n3 2.2878820175527E+22
n4 6.4949852095131E+29
n5 1.8438377743324E+37

Nth Root

y√n
2√n 5328.0988166512
3√n 305.05736446775
4√n 72.993827250331
5√n 30.947737772505

Divisors of 28388637

1, 3, 27, 67, 81, 201, 1809, 5231, 5427, 15693, 141237, 350477, 423711, 1051431, 9462879, 28388637

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28388636
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28388637 can be divided by 16 positive divisors. The sum of these divisors (counting 28388637) is 1, the average is 0.0625.

Base conversion 28388637

Base System Value
2 Binary 1101100010010110100011101
3 Ternary 1222102021220000
4 Quaternary 1230102310131
5 Quinary 24231414022
6 Senary 2452244513
8 Octal 154226435
10 Decimal 28388637
12 Duodecimal 9610739
16 Hexadecimal 1b12d1d
20 Vigesimal 8h8bbh
36 Base36 gwgt9

Cryptographic Hash Functions

md5 0a1d93437a1470b543527713731aca53
sha1 84c20f060cfba7121ee83fbd6709191976aed037
sha256 df7d09b3e6067f39a089df4d920932805adbd5c6790d4e122ca65a0efc6dce7c
sha512 96216d8a640fb6e341c4ae3a43a4766370aa1dfb7eeb9f4b08fcfb9d9d4dbc8fcef4ce8bac089c9a8faf23ec570b6d03ca7fb2f87dc252b94fe25310b2df0b6d
ripemd-160 bcb74f8ab18a77938a32a5742faf586c2c5925de

28388637 as geometric shapes

Circle

Radius = n
Diameter 56777274
Circumference 178371066.88925
Area 2.5318557346109E+15

Sphere

Radius = n
Volume 9.5834577848316E+22
Surface area 1.0127422938444E+16
Circumference 178371066.88925

Square

Length = n
Perimeter 113554548
Area 805914710717769
Diagonal 40147595.462687

Cube

Length = n
Surface area 4835488264306614
Volume 2.2878820175527E+22
Space diagonal 49170561.64163

Equilateral Triangle

Length = n
Perimeter 85165911
Area 3.4897130638259E+14
Altitude 24585280.820815

Triangular Pyramid

Length = n
Surface area 3.4897130638259E+14
Volume 2.6962948152771E+21
Height 13382531.820896