28408072 (number)

28408072 is an even 8-digits composite number following 28408071 and preceding 28408073. In scientific notation, it is written as 2.8408072 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 64 positive divisors. There are 10939200 positive integers (up to 28408072) that are relatively prime to 28408072.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eight thousand seventy-two

Notation

Scientific notation 2.8408072 × 10^7
Engineering notation 2.8408072 × 10^6

Prime Factorization of 28408072

Prime Factorization 2 × 2 × 2 × 7 × 11 × 107 × 431

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 7102018
Product of the distinct prime numbers

The prime factorization of 28408072 is 2 × 2 × 2 × 7 × 11 × 107 × 431. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28408072)

Multiplication

n×y
n×2 56816144
n×3 85224216
n×4 113632288
n×5 142040360

Division

n÷y
n÷2 14204036
n÷3 9469357.3333333
n÷3 7102018
n÷5 5681614.4

Exponentiation

ny
n2 807018554757184
n3 2.2925841208878E+22
n4 6.5127894772237E+29
n5 1.8501579238981E+37

Nth Root

y√n
2√n 5329.9223258881
3√n 305.12696317648
4√n 73.006317027282
5√n 30.951974007191

Divisors of 28408072

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28408071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28408072 can be divided by 64 positive divisors. The sum of these divisors (counting 28408072) is 1, the average is 0.015625.

Base conversion 28408072

Base System Value
2 Binary 1101100010111100100001000
3 Ternary 1222110021112211
4 Quaternary 1230113210020
5 Quinary 24233024242
6 Senary 2452514504
8 Octal 154274410
10 Decimal 28408072
12 Duodecimal 961ba34
16 Hexadecimal 1b17908
20 Vigesimal 8hb03c
36 Base36 gwvt4

Cryptographic Hash Functions

md5 fb824623c9070db073f073e3c505f437
sha1 cf4d23d5baa7bb457920e7ba77fd52d33569c554
sha256 534b0e735a957d40edf38284c7495bd1e1fd202cc919d7f9baee4c0e1b8351f1
sha512 59199423ab2591360c5629d1aef0263767c7a9fba6c1bc5a761f67b7d0dfdfb94d5d651eb46497ccf00b399ce8169a8952d08cb6d90599f6bf73b3186081429a
ripemd-160 ab2d6e9edbd6f7494f4e639f03c382d075ff8c60

28408072 as geometric shapes

Circle

Radius = n
Diameter 56816144
Circumference 178493180.5957
Area 2.5353235629358E+15

Sphere

Radius = n
Volume 9.6031539092236E+22
Surface area 1.0141294251743E+16
Circumference 178493180.5957

Square

Length = n
Perimeter 113632288
Area 807018554757184
Diagonal 40175080.703271

Cube

Length = n
Surface area 4842111328543104
Volume 2.2925841208878E+22
Space diagonal 49204224.049075

Equilateral Triangle

Length = n
Perimeter 85224216
Area 3.4944928487256E+14
Altitude 24602112.024537

Triangular Pyramid

Length = n
Surface area 3.4944928487256E+14
Volume 2.7018362972006E+21
Height 13391693.567757