28756890 (number)

28756890 is an even 8-digits composite number following 28756889 and preceding 28756891. In scientific notation, it is written as 2.8756890 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 7558272 positive integers (up to 28756890) that are relatively prime to 28756890.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-six thousand eight hundred ninety

Notation

Scientific notation 2.8756890 × 10^7
Engineering notation 2.8756890 × 10^6

Prime Factorization of 28756890

Prime Factorization 2 × 3 × 45 × 73 × 1459

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28756890
Product of the distinct prime numbers

The prime factorization of 28756890 is 2 × 3 × 45 × 73 × 1459. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 93, 52, 513, 536, 7839, 449, 85221, 70156, 577266, 786040, 833178, 3749185, 26207948, 46644736, 28738254, 232779468, 679281988, 1659814686

Basic calculations (n = 28756890)

Multiplication

n×y
n×2 57513780
n×3 86270670
n×4 115027560
n×5 143784450

Division

n÷y
n÷2 14378445
n÷3 9585630
n÷3 7189222.5
n÷5 5751378

Exponentiation

ny
n2 826958722472100
n3 2.3780761016671E+22
n4 6.8386072867269E+29
n5 1.966570774976E+37

Nth Root

y√n
2√n 5362.5451047054
3√n 306.37075399103
4√n 73.229400548587
5√n 31.027614234541

Divisors of 28756890

1, 2, 3, 6, 45, 73, 90, 135, 146, 219, 270, 438, 1459, 2918, 3285, 4377, 6570, 8754, 9855, 19710, 65655, 106507, 131310, 196965, 213014, 319521, 393930, 639042, 4792815, 9585630, 14378445, 28756890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28756889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28756890 can be divided by 32 positive divisors. The sum of these divisors (counting 28756890) is 1, the average is 0.03125.

Base conversion 28756890

Base System Value
2 Binary 1101101101100101110011010
3 Ternary 2000010000001000
4 Quaternary 1231230232122
5 Quinary 24330210030
6 Senary 2504205430
8 Octal 155545632
10 Decimal 28756890
12 Duodecimal 9769876
16 Hexadecimal 1b6cb9a
20 Vigesimal 8jec4a
36 Base36 h4cyi

Cryptographic Hash Functions

md5 fc21db7f014517d1fe6e4c483ac33d78
sha1 fcacbd7412800a0a3d918ebfede5f8eb3cc9d31a
sha256 53c7588d71ea8fa0e5ef0144cc5f57e1b0777ad5474e769735f789f6967931a6
sha512 24f475ff957e07c839c2e2e29695965cd7afd58d68474926049d44367957cfc67f3cfd715737cd63282d01421650276b3e915b421e15375dedd06fbff8e75158
ripemd-160 19cf5fd5107b2821656dad2c67f2677b6ba8a457

28756890 as geometric shapes

Circle

Radius = n
Diameter 57513780
Circumference 180684868.72818
Area 2.5979674473404E+15

Sphere

Radius = n
Volume 9.9612618808996E+22
Surface area 1.0391869789361E+16
Circumference 180684868.72818

Square

Length = n
Perimeter 115027560
Area 826958722472100
Diagonal 40668383.849671

Cube

Length = n
Surface area 4961752334832600
Volume 2.3780761016671E+22
Space diagonal 49808394.547669

Equilateral Triangle

Length = n
Perimeter 86270670
Area 3.5808363077098E+14
Altitude 24904197.273835

Triangular Pyramid

Length = n
Surface area 3.5808363077098E+14
Volume 2.8025895627774E+21
Height 13556127.94989