28661520 (number)

28661520 is an even 8-digits composite number following 28661519 and preceding 28661521. In scientific notation, it is written as 2.8661520 × 10^7. The sum of its digits is 30. It has a total of 8 prime factors and 80 positive divisors. There are 7598592 positive integers (up to 28661520) that are relatively prime to 28661520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8661520 × 10^7
Engineering notation 2.8661520 × 10^6

Prime Factorization of 28661520

Prime Factorization 2 × 2 × 2 × 2 × 5 × 3 × 307 × 389

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3582690
Product of the distinct prime numbers

The prime factorization of 28661520 is 2 × 2 × 2 × 2 × 5 × 3 × 307 × 389. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 8, 84, 78, 998, 798, 6750, 5963, 66945, 98120, 746026, 919002, 25279, 5883223, 16083775, 23465213, 481624037, 180827068, 1693038130, 8789496846

Basic calculations (n = 28661520)

Multiplication

n×y
n×2 57323040
n×3 85984560
n×4 114646080
n×5 143307600

Division

n÷y
n÷2 14330760
n÷3 9553840
n÷3 7165380
n÷5 5732304

Exponentiation

ny
n2 821482728710400
n3 2.3544943658588E+22
n4 6.7483387356948E+29
n5 1.9341764563989E+37

Nth Root

y√n
2√n 5353.6454869556
3√n 306.03169392766
4√n 73.16860998376
5√n 31.007006742882

Divisors of 28661520

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 389, 614, 778, 921, 1167, 1228, 1535, 1556, 1842, 1945, 2334, 2456, 3070, 3112, 3684, 3890, 4605, 4668, 4912, 5835, 6140, 6224, 7368, 7780, 9210, 9336, 11670, 12280, 14736, 15560, 18420, 18672, 23340, 24560, 31120, 36840, 46680, 73680, 93360, 119423, 238846, 358269, 477692, 597115, 716538, 955384, 1194230, 1433076, 1791345, 1910768, 2388460, 2866152, 3582690, 4776920, 5732304, 7165380, 9553840, 14330760, 28661520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28661519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28661520 can be divided by 80 positive divisors. The sum of these divisors (counting 28661520) is 1, the average is 0.0125.

Base conversion 28661520

Base System Value
2 Binary 1101101010101011100010000
3 Ternary 1222221011012210
4 Quaternary 1231111130100
5 Quinary 24314132040
6 Senary 2502152120
8 Octal 155253420
10 Decimal 28661520
12 Duodecimal 9722640
16 Hexadecimal 1b55710
20 Vigesimal 8j2dg0
36 Base36 h2bdc

Cryptographic Hash Functions

md5 6399c27d8697fa0a1b14203b84582b75
sha1 f3838d7e3c47d132ed8acc55cbe6054bd58cbb2b
sha256 b623c236b7b420838f279c43e7026e9f51e2ba49e073a4952465f3cacf5dc942
sha512 76ff9f9555556753ad67598ad413efa02964bf3e4d57fa9bb51abe24c9d351bf345863172c98270aea6e111da01597fb269f1ec7b6f9f808b5e6844656c0a129
ripemd-160 13149f4a57561447bc7f43cc044e1b4683e13242

28661520 as geometric shapes

Circle

Radius = n
Diameter 57323040
Circumference 180085641.34543
Area 2.5807641055675E+15

Sphere

Radius = n
Volume 9.862482936934E+22
Surface area 1.032305642227E+16
Circumference 180085641.34543

Square

Length = n
Perimeter 114646080
Area 821482728710400
Diagonal 40533510.302228

Cube

Length = n
Surface area 4928896372262400
Volume 2.3544943658588E+22
Space diagonal 49643208.862152

Equilateral Triangle

Length = n
Perimeter 85984560
Area 3.5571245591668E+14
Altitude 24821604.431076

Triangular Pyramid

Length = n
Surface area 3.5571245591668E+14
Volume 2.7747982206071E+21
Height 13511170.100743