28492821 (number)

28492821 is an odd 8-digits composite number following 28492820 and preceding 28492822. In scientific notation, it is written as 2.8492821 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 16082496 positive integers (up to 28492821) that are relatively prime to 28492821.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-two thousand eight hundred twenty-one

Notation

Scientific notation 2.8492821 × 10^7
Engineering notation 2.8492821 × 10^6

Prime Factorization of 28492821

Prime Factorization 21 × 3 × 83 × 5449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28492821
Product of the distinct prime numbers

The prime factorization of 28492821 is 21 × 3 × 83 × 5449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 47, 76, 109, 87, 3938, 8650, 64840, 83153, 154749, 326643, 1076478, 259941, 49402472, 41057501, 882040657, 494304784, 9648690421, 2542006066

Basic calculations (n = 28492821)

Multiplication

n×y
n×2 56985642
n×3 85478463
n×4 113971284
n×5 142464105

Division

n÷y
n÷2 14246410.5
n÷3 9497607
n÷3 7123205.25
n÷5 5698564.2

Exponentiation

ny
n2 811840848538041
n3 2.3131635977883E+22
n4 6.5908556335497E+29
n5 1.8779206980357E+37

Nth Root

y√n
2√n 5337.8667087143
3√n 305.4300874965
4√n 73.060705640681
5√n 30.970419639193

Divisors of 28492821

1, 3, 21, 63, 83, 249, 1743, 5229, 5449, 16347, 114429, 343287, 452267, 1356801, 9497607, 28492821

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 -28492820
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 28492821 can be divided by 16 positive divisors. The sum of these divisors (counting 28492821) is 1, the average is 0.0625.

Base conversion 28492821

Base System Value
2 Binary 1101100101100010000010101
3 Ternary 1222121120210200
4 Quaternary 1230230100111
5 Quinary 24243232241
6 Senary 2454411113
8 Octal 154542025
10 Decimal 28492821
12 Duodecimal 9660a99
16 Hexadecimal 1b2c415
20 Vigesimal 8i1c11
36 Base36 gyp79

Cryptographic Hash Functions

md5 4736415f01a24d711b235608b8cea239
sha1 1e6cf40c31696ebc742d0c63887e80fc612889e9
sha256 832410f3ea7d6a281994463ebfee520950132a5d4d31bee79d882258a7577b6f
sha512 97bea1f15a784207edc8c7cf800a75eae2bfdfb15ebedc73536d4763d80dd582cde96cfb48eb56c187f4b85decd43a855ed5d16af0f953a194966d3e61b8e0a9
ripemd-160 580e835c903cd68061cd71c8f7c159c24354a4ec

28492821 as geometric shapes

Circle

Radius = n
Diameter 56985642
Circumference 179025674.2673
Area 2.5504732456512E+15

Sphere

Radius = n
Volume 9.6893570204839E+22
Surface area 1.0201892982605E+16
Circumference 179025674.2673

Square

Length = n
Perimeter 113971284
Area 811840848538041
Diagonal 40294933.888469

Cube

Length = n
Surface area 4871045091228246
Volume 2.3131635977883E+22
Space diagonal 49351013.622965

Equilateral Triangle

Length = n
Perimeter 85478463
Area 3.5153739933193E+14
Altitude 24675506.811483

Triangular Pyramid

Length = n
Surface area 3.5153739933193E+14
Volume 2.7260894433166E+21
Height 13431644.62949