28561664 (number)

28561664 is an even 8-digits composite number following 28561663 and preceding 28561665. In scientific notation, it is written as 2.8561664 × 10^7. The sum of its digits is 38. It has a total of 11 prime factors and 72 positive divisors. There are 13363200 positive integers (up to 28561664) that are relatively prime to 28561664.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred sixty-one thousand six hundred sixty-four

Notation

Scientific notation 2.8561664 × 10^7
Engineering notation 2.8561664 × 10^6

Prime Factorization of 28561664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 59 × 31 × 61

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 223138
Product of the distinct prime numbers

The prime factorization of 28561664 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 59 × 31 × 61. Since it has a total of 11 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28561664)

Multiplication

n×y
n×2 57123328
n×3 85684992
n×4 114246656
n×5 142808320

Division

n÷y
n÷2 14280832
n÷3 9520554.6666667
n÷3 7140416
n÷5 5712332.8

Exponentiation

ny
n2 815768650448896
n3 2.3299710095855E+22
n4 6.6547849105521E+29
n5 1.9007173060746E+37

Nth Root

y√n
2√n 5344.3113681746
3√n 305.67587820075
4√n 73.104797162529
5√n 30.985371047432

Divisors of 28561664

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28561663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28561664 can be divided by 72 positive divisors. The sum of these divisors (counting 28561664) is 1, the average is 0.013888888888889.

Base conversion 28561664

Base System Value
2 Binary 1101100111101000100000000
3 Ternary 1222202002020102
4 Quaternary 1230331010000
5 Quinary 24302433124
6 Senary 2500101532
8 Octal 154750400
10 Decimal 28561664
12 Duodecimal 96948a8
16 Hexadecimal 1b3d100
20 Vigesimal 8ia434
36 Base36 h06bk

Cryptographic Hash Functions

md5 d032fe8046936505e1784a99298e37b3
sha1 f8abb8ba9df12db49084877e3f8061c0666ede17
sha256 48d1decb18cdbffcbdd7dba69c509cf199019628b0992a01c43a84fd857b987c
sha512 72236ce0bedc44d650ca02d759bfccaf285599a2ee3cc75e5119c66ae29a4aecfaf3a032320774347be26332b0ea58d08e271ac238e604755001e9fec053f21e
ripemd-160 b66f40e16b2bc5dfbe84892a420c25d797f900f1

28561664 as geometric shapes

Circle

Radius = n
Diameter 57123328
Circumference 179458227.5934
Area 2.5628127992791E+15

Sphere

Radius = n
Volume 9.7597597423879E+22
Surface area 1.0251251197116E+16
Circumference 179458227.5934

Square

Length = n
Perimeter 114246656
Area 815768650448896
Diagonal 40392292.592743

Cube

Length = n
Surface area 4894611902693376
Volume 2.3299710095855E+22
Space diagonal 49470253.196711

Equilateral Triangle

Length = n
Perimeter 85684992
Area 3.5323818744985E+14
Altitude 24735126.598355

Triangular Pyramid

Length = n
Surface area 3.5323818744985E+14
Volume 2.7458971680766E+21
Height 13464097.530914