28267987 (number)

28267987 is an odd 8-digits composite number following 28267986 and preceding 28267988. In scientific notation, it is written as 2.8267987 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 25698160 positive integers (up to 28267987) that are relatively prime to 28267987.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 2.8267987 × 10^7
Engineering notation 2.8267987 × 10^6

Prime Factorization of 28267987

Prime Factorization 11 × 2569817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28267987
Product of the distinct prime numbers

The prime factorization of 28267987 is 11 × 2569817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28267987)

Multiplication

n×y
n×2 56535974
n×3 84803961
n×4 113071948
n×5 141339935

Division

n÷y
n÷2 14133993.5
n÷3 9422662.3333333
n÷3 7066996.75
n÷5 5653597.4

Exponentiation

ny
n2 799079089032169
n3 2.2588357300733E+22
n4 6.3852739052848E+29
n5 1.8049883974603E+37

Nth Root

y√n
2√n 5316.7647117397
3√n 304.62459231786
4√n 72.916148497707
5√n 30.921387735043

Divisors of 28267987

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 -28267986
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 28267987 can be divided by 4 positive divisors. The sum of these divisors (counting 28267987) is 1, the average is 0.25.

Base conversion 28267987

Base System Value
2 Binary 1101011110101010111010011
3 Ternary 1222012011101111
4 Quaternary 1223311113103
5 Quinary 24214033422
6 Senary 2445514151
8 Octal 153652723
10 Decimal 28267987
12 Duodecimal 9572957
16 Hexadecimal 1af55d3
20 Vigesimal 8gd9j7
36 Base36 gtvpv

Cryptographic Hash Functions

md5 a54cbb3f2820252dc1b2d3a2100e01cf
sha1 7e9f20d3279f5a0733df109874fb93d6c974cfa8
sha256 4611ed2c65fe14e78aaf4e8f7bbcb017c5d338a45788f7aed3f7fe6aedc1bc03
sha512 6bfd8f92b7005b725fc8dae7e7cbc2822ce7f8263f8a4ec024d501ed2f40abd1f75d059edbd272b87ed2d7d5db9f82de81ba2e6ccf25a0910bb2f549b95067dd
ripemd-160 3aeb890000b4fc31e73cc9bd07452e3b78b64dfd

28267987 as geometric shapes

Circle

Radius = n
Diameter 56535974
Circumference 177613000.58194
Area 2.5103809957407E+15

Sphere

Radius = n
Volume 9.4617889803526E+22
Surface area 1.0041523982963E+16
Circumference 177613000.58194

Square

Length = n
Perimeter 113071948
Area 799079089032169
Diagonal 39976970.596386

Cube

Length = n
Surface area 4794474534193014
Volume 2.2588357300733E+22
Space diagonal 48961589.711697

Equilateral Triangle

Length = n
Perimeter 84803961
Area 3.4601139536739E+14
Altitude 24480794.855848

Triangular Pyramid

Length = n
Surface area 3.4601139536739E+14
Volume 2.6620634372022E+21
Height 13325656.865462