28309621 (number)

28309621 is an odd 8-digits composite number following 28309620 and preceding 28309622. In scientific notation, it is written as 2.8309621 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 28298700 positive integers (up to 28309621) that are relatively prime to 28309621.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred nine thousand six hundred twenty-one

Notation

Scientific notation 2.8309621 × 10^7
Engineering notation 2.8309621 × 10^6

Prime Factorization of 28309621

Prime Factorization 4231 × 6691

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28309621
Product of the distinct prime numbers

The prime factorization of 28309621 is 4231 × 6691. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28309621)

Multiplication

n×y
n×2 56619242
n×3 84928863
n×4 113238484
n×5 141548105

Division

n÷y
n÷2 14154810.5
n÷3 9436540.3333333
n÷3 7077405.25
n÷5 5661924.2

Exponentiation

ny
n2 801434641163641
n3 2.2688310947614E+22
n4 6.4229748405709E+29
n5 1.818319834291E+37

Nth Root

y√n
2√n 5320.6786221308
3√n 304.77407258625
4√n 72.942981993683
5√n 30.930490776501

Divisors of 28309621

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 -28309620
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 28309621 can be divided by 4 positive divisors. The sum of these divisors (counting 28309621) is 1, the average is 0.25.

Base conversion 28309621

Base System Value
2 Binary 1101011111111100001110101
3 Ternary 1222021021111111
4 Quaternary 1223333201311
5 Quinary 24221401441
6 Senary 2450435021
8 Octal 153774165
10 Decimal 28309621
12 Duodecimal 9592a71
16 Hexadecimal 1aff875
20 Vigesimal 8gie11
36 Base36 gurud

Cryptographic Hash Functions

md5 cfe1e13084ca15139a1f35a27ffeef07
sha1 77f4443f3a6c00614c47473e97bc3979b37c1cad
sha256 f34cc26af595b15df35b04343bd1a2475639ad6ba3b32dc5deb001aab99c5a19
sha512 d28e77ea58bb29f359080815ab4c972af78a37985cab9e7298ba8e3d808fe0e67a6850bbbe0f4044863472bbf0a2bce18f69117aaae839dfe05f64fce6b50f13
ripemd-160 9844d834383508574ff44bc1bcc3a527a922b7d9

28309621 as geometric shapes

Circle

Radius = n
Diameter 56619242
Circumference 177874594.71902
Area 2.5177811810121E+15

Sphere

Radius = n
Volume 9.5036574660512E+22
Surface area 1.0071124724048E+16
Circumference 177874594.71902

Square

Length = n
Perimeter 113238484
Area 801434641163641
Diagonal 40035849.963842

Cube

Length = n
Surface area 4808607846981846
Volume 2.2688310947614E+22
Space diagonal 49033701.915019

Equilateral Triangle

Length = n
Perimeter 84928863
Area 3.4703137936029E+14
Altitude 24516850.957509

Triangular Pyramid

Length = n
Surface area 3.4703137936029E+14
Volume 2.6738430874544E+21
Height 13345283.321281