28809723 (number)

28809723 is an odd 8-digits composite number following 28809722 and preceding 28809724. In scientific notation, it is written as 2.8809723 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 19206480 positive integers (up to 28809723) that are relatively prime to 28809723.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred nine thousand seven hundred twenty-three

Notation

Scientific notation 2.8809723 × 10^7
Engineering notation 2.8809723 × 10^6

Prime Factorization of 28809723

Prime Factorization 3 × 9603241

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28809723
Product of the distinct prime numbers

The prime factorization of 28809723 is 3 × 9603241. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28809723)

Multiplication

n×y
n×2 57619446
n×3 86429169
n×4 115238892
n×5 144048615

Division

n÷y
n÷2 14404861.5
n÷3 9603241
n÷3 7202430.75
n÷5 5761944.6

Exponentiation

ny
n2 830000139336729
n3 2.3912074104253E+22
n4 6.8890023129899E+29
n5 1.984702483836E+37

Nth Root

y√n
2√n 5367.468956594
3√n 306.55826364396
4√n 73.26301219984
5√n 31.039006833493

Divisors of 28809723

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 -28809722
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 28809723 can be divided by 4 positive divisors. The sum of these divisors (counting 28809723) is 1, the average is 0.25.

Base conversion 28809723

Base System Value
2 Binary 1101101111001100111111011
3 Ternary 2000012200111210
4 Quaternary 1231321213323
5 Quinary 24333402343
6 Senary 2505254203
8 Octal 155714773
10 Decimal 28809723
12 Duodecimal 9794363
16 Hexadecimal 1b799fb
20 Vigesimal 901463
36 Base36 h5hq3

Cryptographic Hash Functions

md5 457315055bdf217045445388fd4a4cce
sha1 1dca1b6440ce8d9637e06d959906228bb60d58e1
sha256 ad91d2b87876e5aeaa197aa0a801066952d667baf41bc79403aff2db28ef46b1
sha512 3eba12d4b4c62860c568fb08259e15c81f0a5cb6d514c7cc4b32449f034e15331ab2c5e8673a7f228f2c8df02a770c374041575651f15c0a15b9b124fb042dc9
ripemd-160 24a7957fd8f11fe49b8e22422d4c4fe6db3ce398

28809723 as geometric shapes

Circle

Radius = n
Diameter 57619446
Circumference 181016828.25751
Area 2.6075223402188E+15

Sphere

Radius = n
Volume 1.0016266178402E+23
Surface area 1.0430089360875E+16
Circumference 181016828.25751

Square

Length = n
Perimeter 115238892
Area 830000139336729
Diagonal 40743100.994812

Cube

Length = n
Surface area 4980000836020374
Volume 2.3912074104253E+22
Space diagonal 49899903.987986

Equilateral Triangle

Length = n
Perimeter 86429169
Area 3.5940060290512E+14
Altitude 24949951.993993

Triangular Pyramid

Length = n
Surface area 3.5940060290512E+14
Volume 2.8180649585587E+21
Height 13581033.664937