28383721 (number)

28383721 is an odd 8-digits composite number following 28383720 and preceding 28383722. In scientific notation, it is written as 2.8383721 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 27404944 positive integers (up to 28383721) that are relatively prime to 28383721.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-three thousand seven hundred twenty-one

Notation

Scientific notation 2.8383721 × 10^7
Engineering notation 2.8383721 × 10^6

Prime Factorization of 28383721

Prime Factorization 29 × 978749

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28383721
Product of the distinct prime numbers

The prime factorization of 28383721 is 29 × 978749. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 50, 59, 242, 352, 2524, 6267, 17418, 51492, 557353, 24172, 7954256, 9352706, 35758610, 59050416, 768560799, 234653293, 7316251383, 6769769016

Basic calculations (n = 28383721)

Multiplication

n×y
n×2 56767442
n×3 85151163
n×4 113534884
n×5 141918605

Division

n÷y
n÷2 14191860.5
n÷3 9461240.3333333
n÷3 7095930.25
n÷5 5676744.2

Exponentiation

ny
n2 805635617805841
n3 2.2866936603464E+22
n4 6.490487486774E+29
n5 1.8422418597858E+37

Nth Root

y√n
2√n 5327.6374688974
3√n 305.03975473917
4√n 72.990666998579
5√n 30.946665867445

Divisors of 28383721

1, 29, 978749, 28383721

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 -28383720
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 28383721 can be divided by 4 positive divisors. The sum of these divisors (counting 28383721) is 1, the average is 0.25.

Base conversion 28383721

Base System Value
2 Binary 1101100010001100111101001
3 Ternary 1222102001010221
4 Quaternary 1230101213221
5 Quinary 24231234341
6 Senary 2452210041
8 Octal 154214751
10 Decimal 28383721
12 Duodecimal 9609921
16 Hexadecimal 1b119e9
20 Vigesimal 8h7j61
36 Base36 gwd0p

Cryptographic Hash Functions

md5 89bc6565769c5f6f68b8264e2862e459
sha1 b21f06a1d451d46c7cd1ecf62fbd0d7c813f308c
sha256 59333528d4c147418f4a58a993a5263ab0ec59fd31ce031931cf09ffab47ac8a
sha512 d8944526011ee753b0314434ceb3b04f65d6e3139650982a709fa980f73b86ee7f995b170852ed334bd7e200ba731c8c6d4a7174c7773d12526837fb7e40bd02
ripemd-160 c0077ed3d82e4584e4d368c2e11593485d4175ef

28383721 as geometric shapes

Circle

Radius = n
Diameter 56767442
Circumference 178340178.75028
Area 2.5309789383691E+15

Sphere

Radius = n
Volume 9.578480005806E+22
Surface area 1.0123915753476E+16
Circumference 178340178.75028

Square

Length = n
Perimeter 113534884
Area 805635617805841
Diagonal 40140643.188814

Cube

Length = n
Surface area 4833813706835046
Volume 2.2866936603464E+22
Space diagonal 49162046.87986

Equilateral Triangle

Length = n
Perimeter 85151163
Area 3.4885045560671E+14
Altitude 24581023.43993

Triangular Pyramid

Length = n
Surface area 3.4885045560671E+14
Volume 2.6948943228787E+21
Height 13380214.396271