28496987 (number)

28496987 is an odd 8-digits composite number following 28496986 and preceding 28496988. In scientific notation, it is written as 2.8496987 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 27959256 positive integers (up to 28496987) that are relatively prime to 28496987.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.8496987 × 10^7
Engineering notation 2.8496987 × 10^6

Prime Factorization of 28496987

Prime Factorization 53 × 537679

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28496987
Product of the distinct prime numbers

The prime factorization of 28496987 is 53 × 537679. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28496987)

Multiplication

n×y
n×2 56993974
n×3 85490961
n×4 113987948
n×5 142484935

Division

n÷y
n÷2 14248493.5
n÷3 9498995.6666667
n÷3 7124246.75
n÷5 5699397.4

Exponentiation

ny
n2 812078268078169
n3 2.3141783848406E+22
n4 6.5947111348484E+29
n5 1.8792939747853E+37

Nth Root

y√n
2√n 5338.2569252519
3√n 305.4449726464
4√n 73.063376087147
5√n 30.971325237294

Divisors of 28496987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28496986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28496987 can be divided by 4 positive divisors. The sum of these divisors (counting 28496987) is 1, the average is 0.25.

Base conversion 28496987

Base System Value
2 Binary 1101100101101010001011011
3 Ternary 1222121210111222
4 Quaternary 1230231101123
5 Quinary 24243400422
6 Senary 2454442255
8 Octal 154552133
10 Decimal 28496987
12 Duodecimal 966338b
16 Hexadecimal 1b2d45b
20 Vigesimal 8i2297
36 Base36 gysez

Cryptographic Hash Functions

md5 e47f967f8ac7f0b53a8476da631d661d
sha1 38a4b0cd71aef6556aee9a4c70bc3ff5bedfa108
sha256 1aee1f7aab28409d4e0c6ef264253cea74a2e42f1fd56b80f7d9589b7453fa15
sha512 bbf468198622267aa7aaced418342144f65ae64bd030514fcf490575415df269686b2a7e56b5ef66355016b463c8e48e6bd22e2a5bbb4466edc971f8fbc085cb
ripemd-160 58126a63b18e9730ea7d332cca68ea04fdd1b08d

28496987 as geometric shapes

Circle

Radius = n
Diameter 56993974
Circumference 179051850.01729
Area 2.5512191211343E+15

Sphere

Radius = n
Volume 9.6936077505487E+22
Surface area 1.0204876484537E+16
Circumference 179051850.01729

Square

Length = n
Perimeter 113987948
Area 812078268078169
Diagonal 40300825.50217

Cube

Length = n
Surface area 4872469608469014
Volume 2.3141783848406E+22
Space diagonal 49358229.34663

Equilateral Triangle

Length = n
Perimeter 85490961
Area 3.5164020500848E+14
Altitude 24679114.673315

Triangular Pyramid

Length = n
Surface area 3.5164020500848E+14
Volume 2.7272853813269E+21
Height 13433608.500723