28661738 (number)

28661738 is an even 8-digits composite number following 28661737 and preceding 28661739. In scientific notation, it is written as 2.8661738 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 12145056 positive integers (up to 28661738) that are relatively prime to 28661738.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.8661738 × 10^7
Engineering notation 2.8661738 × 10^6

Prime Factorization of 28661738

Prime Factorization 2 × 7 × 89 × 23003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28661738
Product of the distinct prime numbers

The prime factorization of 28661738 is 2 × 7 × 89 × 23003. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 99, 52, 960, 678, 1871, 9563, 59560, 58720, 107092, 264870, 4190808, 2048405, 46047232, 13739039, 660589028, 676164272, 9099445336, 7804532020

Basic calculations (n = 28661738)

Multiplication

n×y
n×2 57323476
n×3 85985214
n×4 114646952
n×5 143308690

Division

n÷y
n÷2 14330869
n÷3 9553912.6666667
n÷3 7165434.5
n÷5 5732347.6

Exponentiation

ny
n2 821495225180644
n3 2.3545480912379E+22
n4 6.748544049946E+29
n5 1.9342500144101E+37

Nth Root

y√n
2√n 5353.6658468754
3√n 306.03246981976
4√n 73.168749113781
5√n 31.007053910701

Divisors of 28661738

1, 2, 7, 14, 89, 178, 623, 1246, 23003, 46006, 161021, 322042, 2047267, 4094534, 14330869, 28661738

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 -28661737
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 28661738 can be divided by 16 positive divisors. The sum of these divisors (counting 28661738) is 1, the average is 0.0625.

Base conversion 28661738

Base System Value
2 Binary 1101101010101011111101010
3 Ternary 1222221011111212
4 Quaternary 1231111133222
5 Quinary 24314133423
6 Senary 2502153122
8 Octal 155253752
10 Decimal 28661738
12 Duodecimal 97227a2
16 Hexadecimal 1b557ea
20 Vigesimal 8j2e6i
36 Base36 h2bje

Cryptographic Hash Functions

md5 47b0fdb78713c2608c34b5f4db90c229
sha1 b8a934ad765677309a438d9c05ce868916abc153
sha256 574ca1c03170fcd35dc59c50148e34585c3ad35c9ec2902f695807834fa531c5
sha512 432957821cd98deadbd0daadee7453d44961e3bc46dcc66868392cb6bde785ac4d9e88c27db162746189c9c3a49ebf9d9adcd4e8ac0d76a43cf129d89523d072
ripemd-160 0e79816b39b793e73ef8a6e2b00155ad51371ed9

28661738 as geometric shapes

Circle

Radius = n
Diameter 57323476
Circumference 180087011.07983
Area 2.5808033643866E+15

Sphere

Radius = n
Volume 9.8627079812756E+22
Surface area 1.0323213457546E+16
Circumference 180087011.07983

Square

Length = n
Perimeter 114646952
Area 821495225180644
Diagonal 40533818.600784

Cube

Length = n
Surface area 4928971351083864
Volume 2.3545480912379E+22
Space diagonal 49643586.449228

Equilateral Triangle

Length = n
Perimeter 85985214
Area 3.5571786704703E+14
Altitude 24821793.224614

Triangular Pyramid

Length = n
Surface area 3.5571786704703E+14
Volume 2.7748615365736E+21
Height 13511272.866928