28991736 (number)

28991736 is an even 8-digits composite number following 28991735 and preceding 28991737. In scientific notation, it is written as 2.8991736 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors. There are 9535968 positive integers (up to 28991736) that are relatively prime to 28991736.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand seven hundred thirty-six

Notation

Scientific notation 2.8991736 × 10^7
Engineering notation 2.8991736 × 10^6

Prime Factorization of 28991736

Prime Factorization 2 × 2 × 2 × 27 × 79 × 1699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7247934
Product of the distinct prime numbers

The prime factorization of 28991736 is 2 × 2 × 2 × 27 × 79 × 1699. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 8, 58, 33, 301, 182, 4127, 2277, 5962, 50244, 423614, 616306, 4333382, 5827698, 99258402, 99580499, 896933752, 184975290, 5620335109, 9185464108

Basic calculations (n = 28991736)

Multiplication

n×y
n×2 57983472
n×3 86975208
n×4 115966944
n×5 144958680

Division

n÷y
n÷2 14495868
n÷3 9663912
n÷3 7247934
n÷5 5798347.2

Exponentiation

ny
n2 840520756293696
n3 2.4368155868987E+22
n4 7.0647514176053E+29
n5 2.0481940800484E+37

Nth Root

y√n
2√n 5384.3974593263
3√n 307.20249631761
4√n 73.378453644965
5√n 31.078127513298

Divisors of 28991736

1, 2, 4, 8, 27, 54, 79, 108, 158, 216, 316, 632, 1699, 2133, 3398, 4266, 6796, 8532, 13592, 17064, 45873, 91746, 134221, 183492, 268442, 366984, 536884, 1073768, 3623967, 7247934, 14495868, 28991736

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991735
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991736 can be divided by 32 positive divisors. The sum of these divisors (counting 28991736) is 1, the average is 0.03125.

Base conversion 28991736

Base System Value
2 Binary 1101110100110000011111000
3 Ternary 2000112221012000
4 Quaternary 1232212003320
5 Quinary 24410213421
6 Senary 2513221000
8 Octal 156460370
10 Decimal 28991736
12 Duodecimal 9861760
16 Hexadecimal 1ba60f8
20 Vigesimal 913j6g
36 Base36 h9e60

Cryptographic Hash Functions

md5 4e04253abcba79a781034bb6b6f3d790
sha1 48d1bd1e29cc340512dbe476fcb1c9f01029a015
sha256 c54032671b4aa1eef7dfbfc4888dca9e85c412581c1bdc9cf7a6a35299d4e114
sha512 85dc3e14365067091e57ae4188e366c4e4836944ad1b592f9bec007d63a0085374f38ce0078958b343614714f1b310961f725c507023541412c5d8f1e7e33efb
ripemd-160 b4590a003576a3c2f722a092aa57f2ba74c1495a

28991736 as geometric shapes

Circle

Radius = n
Diameter 57983472
Circumference 182160449.66483
Area 2.640573833162E+15

Sphere

Radius = n
Volume 1.0207309261272E+23
Surface area 1.0562295332648E+16
Circumference 182160449.66483

Square

Length = n
Perimeter 115966944
Area 840520756293696
Diagonal 41000506.24794

Cube

Length = n
Surface area 5043124537762176
Volume 2.4368155868987E+22
Space diagonal 50215159.751624

Equilateral Triangle

Length = n
Perimeter 86975208
Area 3.6395616367922E+14
Altitude 25107579.875812

Triangular Pyramid

Length = n
Surface area 3.6395616367922E+14
Volume 2.8718147099953E+21
Height 13666835.41598