28668730 (number)

28668730 is an even 8-digits composite number following 28668729 and preceding 28668731. In scientific notation, it is written as 2.8668730 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 11467488 positive integers (up to 28668730) that are relatively prime to 28668730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8668730 × 10^7
Engineering notation 2.8668730 × 10^6

Prime Factorization of 28668730

Prime Factorization 2 × 5 × 2866873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28668730
Product of the distinct prime numbers

The prime factorization of 28668730 is 2 × 5 × 2866873. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 54, 54, 844, 196, 624, 8271, 30583, 90480, 748481, 4743, 4820987, 5285489, 99132562, 35644892, 100564847, 572076510, 7997749981, 1643840827

Basic calculations (n = 28668730)

Multiplication

n×y
n×2 57337460
n×3 86006190
n×4 114674920
n×5 143343650

Division

n÷y
n÷2 14334365
n÷3 9556243.3333333
n÷3 7167182.5
n÷5 5733746

Exponentiation

ny
n2 821896079812900
n3 2.3562716800214E+22
n4 6.7551316601181E+29
n5 1.9366104567838E+37

Nth Root

y√n
2√n 5354.3188175528
3√n 306.0573532265
4√n 73.17321106493
5√n 31.008566590558

Divisors of 28668730

1, 2, 5, 10, 2866873, 5733746, 14334365, 28668730

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28668729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28668730 can be divided by 8 positive divisors. The sum of these divisors (counting 28668730) is 1, the average is 0.125.

Base conversion 28668730

Base System Value
2 Binary 1101101010111001100111010
3 Ternary 1222221112002211
4 Quaternary 1231113030322
5 Quinary 24314344410
6 Senary 2502245334
8 Octal 155271472
10 Decimal 28668730
12 Duodecimal 972684a
16 Hexadecimal 1b5733a
20 Vigesimal 8j3bga
36 Base36 h2gxm

Cryptographic Hash Functions

md5 daec6eda24033b194c0ceb104c93b004
sha1 2e31289d6d0704364929a59f8cb9868dd4e973da
sha256 253c09275198ee68f279d440856d0986aa7c201f3f22048826f044525bc7fb9c
sha512 82b58a3af7a05e5b87f8501cdc354c5d81945d9b923cc95f8877141da8158463c4b969d7257844ac150f4b524598880e68ed82ce8edeefef865031af01b2e2a4
ripemd-160 79907776483731d5ca201b0b339e628b539a1b36

28668730 as geometric shapes

Circle

Radius = n
Diameter 57337460
Circumference 180130943.1115
Area 2.5820626863545E+15

Sphere

Radius = n
Volume 9.8699277330894E+22
Surface area 1.0328250745418E+16
Circumference 180130943.1115

Square

Length = n
Perimeter 114674920
Area 821896079812900
Diagonal 40543706.782012

Cube

Length = n
Surface area 4931376478877400
Volume 2.3562716800214E+22
Space diagonal 49655696.948474

Equilateral Triangle

Length = n
Perimeter 86006190
Area 3.5589144219441E+14
Altitude 24827848.474237

Triangular Pyramid

Length = n
Surface area 3.5589144219441E+14
Volume 2.776892805435E+21
Height 13514568.927337