28393489 (number)

28393489 is an odd 8-digits composite number following 28393488 and preceding 28393490. In scientific notation, it is written as 2.8393489 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 27477540 positive integers (up to 28393489) that are relatively prime to 28393489.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-three thousand four hundred eighty-nine

Notation

Scientific notation 2.8393489 × 10^7
Engineering notation 2.8393489 × 10^6

Prime Factorization of 28393489

Prime Factorization 31 × 915919

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28393489
Product of the distinct prime numbers

The prime factorization of 28393489 is 31 × 915919. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 85, 65, 1, 617, 5890, 7303, 38144, 27150, 810197, 635502, 1442370, 3261354, 32588522, 56591337, 729707070, 161075469, 4602033082, 2252917750

Basic calculations (n = 28393489)

Multiplication

n×y
n×2 56786978
n×3 85180467
n×4 113573956
n×5 141967445

Division

n÷y
n÷2 14196744.5
n÷3 9464496.3333333
n÷3 7098372.25
n÷5 5678697.8

Exponentiation

ny
n2 806190217593121
n3 2.2890553075138E+22
n4 6.4994266694284E+29
n5 1.8454139964472E+37

Nth Root

y√n
2√n 5328.5541190833
3√n 305.07474294698
4√n 72.996945957234
5√n 30.94879557714

Divisors of 28393489

1, 31, 915919, 28393489

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28393488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28393489 can be divided by 4 positive divisors. The sum of these divisors (counting 28393489) is 1, the average is 0.25.

Base conversion 28393489

Base System Value
2 Binary 1101100010100000000010001
3 Ternary 1222102112112201
4 Quaternary 1230110000101
5 Quinary 24232042424
6 Senary 2452323201
8 Octal 154240021
10 Decimal 28393489
12 Duodecimal 9613501
16 Hexadecimal 1b14011
20 Vigesimal 8h93e9
36 Base36 gwkk1

Cryptographic Hash Functions

md5 83b87a0e4f3f2ee454600edf5b7d9c10
sha1 acbb91d64f913a10fd53f20f7a3f07320c3ecdb1
sha256 c3befca5bde38863ca4881c6645021500dd1fd470eca1a1669f5c8209a32803c
sha512 79112f628dc3d8d827f00a68e2f7fa22b86dae8db8750e50efda596073f9487f112a6ceed63480e38af980a26cee8b4cb03e36e706b42463faf820a0ce9fbd2b
ripemd-160 ffff927050e6b0c0c5a032bd67e6c29cab002300

28393489 as geometric shapes

Circle

Radius = n
Diameter 56786978
Circumference 178401552.90437
Area 2.5327212649865E+15

Sphere

Radius = n
Volume 9.5883724503281E+22
Surface area 1.0130885059946E+16
Circumference 178401552.90437

Square

Length = n
Perimeter 113573956
Area 806190217593121
Diagonal 40154457.226891

Cube

Length = n
Surface area 4837141305558726
Volume 2.2890553075138E+22
Space diagonal 49178965.552148

Equilateral Triangle

Length = n
Perimeter 85180467
Area 3.4909060435907E+14
Altitude 24589482.776074

Triangular Pyramid

Length = n
Surface area 3.4909060435907E+14
Volume 2.6976775507568E+21
Height 13384819.07563