28397730 (number)

28397730 is an even 8-digits composite number following 28397729 and preceding 28397731. In scientific notation, it is written as 2.8397730 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 7468416 positive integers (up to 28397730) that are relatively prime to 28397730.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand seven hundred thirty

Notation

Scientific notation 2.8397730 × 10^7
Engineering notation 2.8397730 × 10^6

Prime Factorization of 28397730

Prime Factorization 2 × 5 × 3 × 73 × 12967

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28397730
Product of the distinct prime numbers

The prime factorization of 28397730 is 2 × 5 × 3 × 73 × 12967. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 77, 88, 931, 54, 2505, 319, 96682, 37227, 505602, 591420, 2645477, 317151, 10444442, 35960624, 345613087, 218453793, 5108056182, 6372076872

Basic calculations (n = 28397730)

Multiplication

n×y
n×2 56795460
n×3 85193190
n×4 113590920
n×5 141988650

Division

n÷y
n÷2 14198865
n÷3 9465910
n÷3 7099432.5
n÷5 5679546

Exponentiation

ny
n2 806431069152900
n3 2.2900811765415E+22
n4 6.5033106929509E+29
n5 1.8467926116453E+37

Nth Root

y√n
2√n 5328.9520545788
3√n 305.08993137712
4√n 72.999671605966
5√n 30.949720056699

Divisors of 28397730

1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 12967, 25934, 38901, 64835, 77802, 129670, 194505, 389010, 946591, 1893182, 2839773, 4732955, 5679546, 9465910, 14198865, 28397730

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 -28397729
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 28397730 can be divided by 32 positive divisors. The sum of these divisors (counting 28397730) is 1, the average is 0.03125.

Base conversion 28397730

Base System Value
2 Binary 1101100010101000010100010
3 Ternary 1222102202100210
4 Quaternary 1230111002202
5 Quinary 24232211410
6 Senary 2452354550
8 Octal 154250242
10 Decimal 28397730
12 Duodecimal 9615a56
16 Hexadecimal 1b150a2
20 Vigesimal 8h9e6a
36 Base36 gwntu

Cryptographic Hash Functions

md5 03c943bd6965a8007cda5fe45362af84
sha1 aaf0d7cf62eba1f82f6c2ab3de08d83ea34f4627
sha256 f2c9382afe67ddc19e285cdca7e6710d01e227e8ed52865c4f4d6348d2102cb4
sha512 3e17d39be37a0c225e741fb53cbb045b8fb0da5385c59168be7694f6bf12e0190ba5753f2d0a88c343b1e73c0c43360c793a2f1b1436b6c9ffe68e1308456a1f
ripemd-160 e392355f9e67fcbc6c2e7a98946c7d4d7c48ddf9

28397730 as geometric shapes

Circle

Radius = n
Diameter 56795460
Circumference 178428199.89325
Area 2.5334779224773E+15

Sphere

Radius = n
Volume 9.5926696004629E+22
Surface area 1.0133911689909E+16
Circumference 178428199.89325

Square

Length = n
Perimeter 113590920
Area 806431069152900
Diagonal 40160454.906609

Cube

Length = n
Surface area 4838586414917400
Volume 2.2900811765415E+22
Space diagonal 49186311.179623

Equilateral Triangle

Length = n
Perimeter 85193190
Area 3.4919489614373E+14
Altitude 24593155.589811

Triangular Pyramid

Length = n
Surface area 3.4919489614373E+14
Volume 2.6988865490003E+21
Height 13386818.302203