28678840 (number)

28678840 is an even 8-digits composite number following 28678839 and preceding 28678841. In scientific notation, it is written as 2.8678840 × 10^7. The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors. There are 11427712 positive integers (up to 28678840) that are relatively prime to 28678840.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-eight thousand eight hundred forty

Notation

Scientific notation 2.8678840 × 10^7
Engineering notation 2.8678840 × 10^6

Prime Factorization of 28678840

Prime Factorization 2 × 2 × 2 × 5 × 2447 × 293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7169710
Product of the distinct prime numbers

The prime factorization of 28678840 is 2 × 2 × 2 × 5 × 2447 × 293. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 5, 56, 72, 55, 115, 4391, 1842, 34946, 60541, 355638, 664730, 1253146, 4000650, 98247468, 91924084, 262067257, 528955668, 3782392054, 4722123991

Basic calculations (n = 28678840)

Multiplication

n×y
n×2 57357680
n×3 86036520
n×4 114715360
n×5 143394200

Division

n÷y
n÷2 14339420
n÷3 9559613.3333333
n÷3 7169710
n÷5 5735768

Exponentiation

ny
n2 822475863745600
n3 2.3587653700222E+22
n4 6.7646654644407E+29
n5 1.9400275850822E+37

Nth Root

y√n
2√n 5355.2628320186
3√n 306.09332594178
4√n 73.179661327575
5√n 31.010753310345

Divisors of 28678840

1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2447, 2930, 4894, 5860, 9788, 11720, 12235, 19576, 24470, 48940, 97880, 716971, 1433942, 2867884, 3584855, 5735768, 7169710, 14339420, 28678840

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 -28678839
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 28678840 can be divided by 32 positive divisors. The sum of these divisors (counting 28678840) is 1, the average is 0.03125.

Base conversion 28678840

Base System Value
2 Binary 1101101011001101010111000
3 Ternary 1222222000222021
4 Quaternary 1231121222320
5 Quinary 24320210330
6 Senary 2502404224
8 Octal 155315270
10 Decimal 28678840
12 Duodecimal 9730674
16 Hexadecimal 1b59ab8
20 Vigesimal 8j4h20
36 Base36 h2oqg

Cryptographic Hash Functions

md5 b11e49fed6ec545915b6956e5628238a
sha1 a764af4dacf19fc93391641fd9620458505be149
sha256 2a8c210b8f15478e2961ede449521b11c55825c6bfbc806e439283e29240e9e0
sha512 d3243ad4b1bbc8bfe6bd7750475d2f5eba7504c2cb97c90d13b12ed95b8c70ef297325405f95c95f05d190924d14dd72076e54c6be3371b570e91362cf56b4ed
ripemd-160 3ec197c43ed606f915f38235918ad6f366c8090b

28678840 as geometric shapes

Circle

Radius = n
Diameter 57357680
Circumference 180194466.11495
Area 2.5838841312981E+15

Sphere

Radius = n
Volume 9.8803732773383E+22
Surface area 1.0335536525192E+16
Circumference 180194466.11495

Square

Length = n
Perimeter 114715360
Area 822475863745600
Diagonal 40558004.481128

Cube

Length = n
Surface area 4934855182473600
Volume 2.3587653700222E+22
Space diagonal 49673207.982139

Equilateral Triangle

Length = n
Perimeter 86036520
Area 3.5614249600162E+14
Altitude 24836603.991069

Triangular Pyramid

Length = n
Surface area 3.5614249600162E+14
Volume 2.7798316472845E+21
Height 13519334.827043