28409815 (number)

28409815 is an odd 8-digits composite number following 28409814 and preceding 28409816. In scientific notation, it is written as 2.8409815 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19480992 positive integers (up to 28409815) that are relatively prime to 28409815.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred nine thousand eight hundred fifteen

Notation

Scientific notation 2.8409815 × 10^7
Engineering notation 2.8409815 × 10^6

Prime Factorization of 28409815

Prime Factorization 5 × 7 × 811709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28409815
Product of the distinct prime numbers

The prime factorization of 28409815 is 5 × 7 × 811709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28409815)

Multiplication

n×y
n×2 56819630
n×3 85229445
n×4 113639260
n×5 142049075

Division

n÷y
n÷2 14204907.5
n÷3 9469938.3333333
n÷3 7102453.75
n÷5 5681963

Exponentiation

ny
n2 807117588334225
n3 2.2930061367821E+22
n4 6.5143880139846E+29
n5 1.8507255831552E+37

Nth Root

y√n
2√n 5330.0858342057
3√n 305.13320348522
4√n 73.007436841774
5√n 30.952353814498

Divisors of 28409815

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28409814
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28409815 can be divided by 8 positive divisors. The sum of these divisors (counting 28409815) is 1, the average is 0.125.

Base conversion 28409815

Base System Value
2 Binary 1101100010111111111010111
3 Ternary 1222110100221101
4 Quaternary 1230113333113
5 Quinary 24233103230
6 Senary 2452530531
8 Octal 154277727
10 Decimal 28409815
12 Duodecimal 9620a47
16 Hexadecimal 1b17fd7
20 Vigesimal 8hb4af
36 Base36 gwx5j

Cryptographic Hash Functions

md5 cf0a91f5c2bd840db3f03ad3095c8ff3
sha1 33be850080376e044421b9fcfb3fd9076801c456
sha256 8a9f44389673825dafb4fcdc4f31c7b783cbc1da3ef042e666bad6e25c6980ba
sha512 dfc2a64816d1958ba924f27ce529e8733264d29f278fde8754e0b47071bd625e18bc3c1c1998e579fccaee1153743e3ca60c75869155e81e8b09cdd949a1db0c
ripemd-160 d2fd06a00fd84ec7ae464eb4dbfdee677cf14f65

28409815 as geometric shapes

Circle

Radius = n
Diameter 56819630
Circumference 178504132.18769
Area 2.5356346860939E+15

Sphere

Radius = n
Volume 9.6049216452681E+22
Surface area 1.0142538744376E+16
Circumference 178504132.18769

Square

Length = n
Perimeter 113639260
Area 807117588334225
Diagonal 40177545.677511

Cube

Length = n
Surface area 4842705530005350
Volume 2.2930061367821E+22
Space diagonal 49207243.013632

Equilateral Triangle

Length = n
Perimeter 85229445
Area 3.4949216766933E+14
Altitude 24603621.506816

Triangular Pyramid

Length = n
Surface area 3.4949216766933E+14
Volume 2.7023336477017E+21
Height 13392515.225837