28679991 (number)

28679991 is an odd 8-digits composite number following 28679990 and preceding 28679992. In scientific notation, it is written as 2.8679991 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 18360000 positive integers (up to 28679991) that are relatively prime to 28679991.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-nine thousand nine hundred ninety-one

Notation

Scientific notation 2.8679991 × 10^7
Engineering notation 2.8679991 × 10^6

Prime Factorization of 28679991

Prime Factorization 3 × 31 × 137 × 2251

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28679991
Product of the distinct prime numbers

The prime factorization of 28679991 is 3 × 31 × 137 × 2251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 57, 67, 475, 790, 183, 2436, 10136, 31961, 47638, 157157, 877209, 1560915, 68644129, 94849911, 23990159, 125188274, 4768945973, 4065980670

Basic calculations (n = 28679991)

Multiplication

n×y
n×2 57359982
n×3 86039973
n×4 114719964
n×5 143399955

Division

n÷y
n÷2 14339995.5
n÷3 9559997
n÷3 7169997.75
n÷5 5735998.2

Exponentiation

ny
n2 822541883760081
n3 2.3590493823362E+22
n4 6.7657515053958E+29
n5 1.9404169228299E+37

Nth Root

y√n
2√n 5355.3702953204
3√n 306.09742081574
4√n 73.180395566848
5√n 31.011002224207

Divisors of 28679991

1, 3, 31, 93, 137, 411, 2251, 4247, 6753, 12741, 69781, 209343, 308387, 925161, 9559997, 28679991

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28679990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28679991 can be divided by 16 positive divisors. The sum of these divisors (counting 28679991) is 1, the average is 0.0625.

Base conversion 28679991

Base System Value
2 Binary 1101101011001111100110111
3 Ternary 1222222002112220
4 Quaternary 1231121330313
5 Quinary 24320224431
6 Senary 2502413423
8 Octal 155317467
10 Decimal 28679991
12 Duodecimal 9731273
16 Hexadecimal 1b59f37
20 Vigesimal 8j4jjb
36 Base36 h2pmf

Cryptographic Hash Functions

md5 a6ab638b50a496560f8def002fbd0597
sha1 f5742552930129ef8273e1f42fc85985494b8eb2
sha256 d90d98249cc3d366b6584eb335b4bb9c183590b0b279132db312f14d5f948949
sha512 8859cee3e421adce9cce0c34fac701b9b65be72d46ea362238aa893976dcd4e2d5edbf67a5b53806cb2e56a15ac1ebecf1a5575a6b1257730f3cce627449c6c9
ripemd-160 5f74ede0ff741e0ffd32c4af8ac481b0ebb5e2ea

28679991 as geometric shapes

Circle

Radius = n
Diameter 57359982
Circumference 180201698.06124
Area 2.5840915392906E+15

Sphere

Radius = n
Volume 9.8815629453373E+22
Surface area 1.0336366157162E+16
Circumference 180201698.06124

Square

Length = n
Perimeter 114719964
Area 822541883760081
Diagonal 40559632.240938

Cube

Length = n
Surface area 4935251302560486
Volume 2.3590493823362E+22
Space diagonal 49675201.572618

Equilateral Triangle

Length = n
Perimeter 86039973
Area 3.5617108350647E+14
Altitude 24837600.786309

Triangular Pyramid

Length = n
Surface area 3.5617108350647E+14
Volume 2.7801663590065E+21
Height 13519877.413646