28781736 (number)

28781736 is an even 8-digits composite number following 28781735 and preceding 28781737. In scientific notation, it is written as 2.8781736 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 9571392 positive integers (up to 28781736) that are relatively prime to 28781736.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred eighty-one thousand seven hundred thirty-six

Notation

Scientific notation 2.8781736 × 10^7
Engineering notation 2.8781736 × 10^6

Prime Factorization of 28781736

Prime Factorization 2 × 2 × 2 × 3 × 523 × 2293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7195434
Product of the distinct prime numbers

The prime factorization of 28781736 is 2 × 2 × 2 × 3 × 523 × 2293. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 6, 33, 88, 124, 439, 7527, 7095, 21247, 13236, 73567, 588655, 9868611, 5749036, 77183705, 62384657, 744625885, 836318453, 4066588912, 3445882967

Basic calculations (n = 28781736)

Multiplication

n×y
n×2 57563472
n×3 86345208
n×4 115126944
n×5 143908680

Division

n÷y
n÷2 14390868
n÷3 9593912
n÷3 7195434
n÷5 5756347.2

Exponentiation

ny
n2 828388327173696
n3 2.3842454138195E+22
n4 6.8622722059763E+29
n5 1.9750810699255E+37

Nth Root

y√n
2√n 5364.861228401
3√n 306.45896353571
4√n 73.245213006728
5√n 31.032973964425

Divisors of 28781736

1, 2, 3, 4, 6, 8, 12, 24, 523, 1046, 1569, 2092, 2293, 3138, 4184, 4586, 6276, 6879, 9172, 12552, 13758, 18344, 27516, 55032, 1199239, 2398478, 3597717, 4796956, 7195434, 9593912, 14390868, 28781736

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 -28781735
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 28781736 can be divided by 32 positive divisors. The sum of these divisors (counting 28781736) is 1, the average is 0.03125.

Base conversion 28781736

Base System Value
2 Binary 1101101110010110010101000
3 Ternary 2000011021010020
4 Quaternary 1231302302220
5 Quinary 24332003421
6 Senary 2504520440
8 Octal 155626250
10 Decimal 28781736
12 Duodecimal 9780120
16 Hexadecimal 1b72ca8
20 Vigesimal 8jhe6g
36 Base36 h4w4o

Cryptographic Hash Functions

md5 d8caeff427a3cedf3a7fd59f9aa0cbaa
sha1 9c6c74349094cdecf5e6249c86f835d6b4099c4b
sha256 c3c847907ff736f647a4b7b22369e8478b594a2a60130ef43850967bdd23e981
sha512 56c66e80f8ba341626898dc732025327300038222331688ba80a86e827c77d35e2144c107e65b6e47ffd37ac5ec53d1d25afba15bf3bdedba6b9f78dd5ceaf3d
ripemd-160 35f01ba2101b7201cf19fc6c83720aafec4ab328

28781736 as geometric shapes

Circle

Radius = n
Diameter 57563472
Circumference 180840980.75032
Area 2.6024586829684E+15

Sphere

Radius = n
Volume 9.987103835214E+22
Surface area 1.0409834731874E+16
Circumference 180840980.75032

Square

Length = n
Perimeter 115126944
Area 828388327173696
Diagonal 40703521.399842

Cube

Length = n
Surface area 4970329963042176
Volume 2.3842454138195E+22
Space diagonal 49851429.082034

Equilateral Triangle

Length = n
Perimeter 86345208
Area 3.5870266776546E+14
Altitude 24925714.541017

Triangular Pyramid

Length = n
Surface area 3.5870266776546E+14
Volume 2.8098601668745E+21
Height 13567840.466614