28367987 (number)

28367987 is an odd 8-digits composite number following 28367986 and preceding 28367988. In scientific notation, it is written as 2.8367987 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 28332696 positive integers (up to 28367987) that are relatively prime to 28367987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8367987 × 10^7
Engineering notation 2.8367987 × 10^6

Prime Factorization of 28367987

Prime Factorization 34469 × 823

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28367987
Product of the distinct prime numbers

The prime factorization of 28367987 is 34469 × 823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 2, 14, 46, 881, 645, 483, 9547, 59023, 78631, 198737, 2844, 9623360, 7971603, 47237483, 56446663, 904568448, 289850708, 2526387978, 7915294873

Basic calculations (n = 28367987)

Multiplication

n×y
n×2 56735974
n×3 85103961
n×4 113471948
n×5 141839935

Division

n÷y
n÷2 14183993.5
n÷3 9455995.6666667
n÷3 7091996.75
n÷5 5673597.4

Exponentiation

ny
n2 804742686432169
n3 2.2828930067053E+22
n4 6.4761079136606E+29
n5 1.8371414510532E+37

Nth Root

y√n
2√n 5326.1606246902
3√n 304.98337990596
4√n 72.980549632694
5√n 30.943234162055

Divisors of 28367987

1, 823, 34469, 28367987

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 -28367986
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 28367987 can be divided by 4 positive divisors. The sum of these divisors (counting 28367987) is 1, the average is 0.25.

Base conversion 28367987

Base System Value
2 Binary 1101100001101110001110011
3 Ternary 1222101020120012
4 Quaternary 1230031301303
5 Quinary 24230233422
6 Senary 2452005135
8 Octal 154156163
10 Decimal 28367987
12 Duodecimal 96007ab
16 Hexadecimal 1b0dc73
20 Vigesimal 8h5jj7
36 Base36 gw0vn

Cryptographic Hash Functions

md5 ff41f1f9602ff9d402288f654c403e66
sha1 9c6dca890021605936f2fbcdcebad075bfd670c9
sha256 3ad4cbef747c91e877ee8a13e358722adbb39047c5b0755ec74632b806154d78
sha512 4a34ad7c5e4b9b4545c37f12d89cfef77a8b44caa248d36ee777c21bc4ee0ba2a4f0a0b3acde1b355b1246e07550a54d25aa09013701dd93db09dc59f232d82b
ripemd-160 90aeb30870e8bf3f62a03b9c55a3da0fcd1d958f

28367987 as geometric shapes

Circle

Radius = n
Diameter 56735974
Circumference 178241319.11266
Area 2.5281737117254E+15

Sphere

Radius = n
Volume 9.5625598650624E+22
Surface area 1.0112694846902E+16
Circumference 178241319.11266

Square

Length = n
Perimeter 113471948
Area 804742686432169
Diagonal 40118391.952624

Cube

Length = n
Surface area 4828456118593014
Volume 2.2828930067053E+22
Space diagonal 49134794.792453

Equilateral Triangle

Length = n
Perimeter 85103961
Area 3.4846380498E+14
Altitude 24567397.396227

Triangular Pyramid

Length = n
Surface area 3.4846380498E+14
Volume 2.6904152096078E+21
Height 13372797.317541