28946987 (number)

28946987 is an odd 8-digits composite number following 28946986 and preceding 28946988. In scientific notation, it is written as 2.8946987 × 10^7. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 28080000 positive integers (up to 28946987) that are relatively prime to 28946987.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred forty-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.8946987 × 10^7
Engineering notation 2.8946987 × 10^6

Prime Factorization of 28946987

Prime Factorization 37 × 401 × 1951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28946987
Product of the distinct prime numbers

The prime factorization of 28946987 is 37 × 401 × 1951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28946987)

Multiplication

n×y
n×2 57893974
n×3 86840961
n×4 115787948
n×5 144734935

Division

n÷y
n÷2 14473493.5
n÷3 9648995.6666667
n÷3 7236746.75
n÷5 5789397.4

Exponentiation

ny
n2 837928056378169
n3 2.4255492554914E+22
n4 7.021234276657E+29
n5 2.0324357733034E+37

Nth Root

y√n
2√n 5380.2404221373
3√n 307.04435834048
4√n 73.350122168523
5√n 31.068527711778

Divisors of 28946987

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 -28946986
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 28946987 can be divided by 8 positive divisors. The sum of these divisors (counting 28946987) is 1, the average is 0.125.

Base conversion 28946987

Base System Value
2 Binary 1101110011011001000101011
3 Ternary 2000110122210122
4 Quaternary 1232123020223
5 Quinary 24402300422
6 Senary 2512233455
8 Octal 156331053
10 Decimal 28946987
12 Duodecimal 983b88b
16 Hexadecimal 1b9b22b
20 Vigesimal 90i797
36 Base36 h8fmz

Cryptographic Hash Functions

md5 de62c478b9c7a1bc2c4da33f3b64c581
sha1 028a628571387ed2d19dc30399fe428ba8d6540e
sha256 43ccc043ec1d768f1e90b220009c759826c82e1d2dfdc878bd5fe89605e696d1
sha512 f8d90462fbeef6b0e99a32b2ca87aafff234bf1d858729a19a56ada169d6811c27bfedc1eb8f318d79d996a9c2843e7face08261df8d26d1f21eda1bdbac83d8
ripemd-160 524449d47bb0344c54cc9a55dde62b1c2450846d

28946987 as geometric shapes

Circle

Radius = n
Diameter 57893974
Circumference 181879283.40552
Area 2.6324286261544E+15

Sphere

Radius = n
Volume 1.0160116962629E+23
Surface area 1.0529714504618E+16
Circumference 181879283.40552

Square

Length = n
Perimeter 115787948
Area 837928056378169
Diagonal 40937221.605238

Cube

Length = n
Surface area 5027568338269014
Volume 2.4255492554914E+22
Space diagonal 50137652.210036

Equilateral Triangle

Length = n
Perimeter 86840961
Area 3.6283349168361E+14
Altitude 25068826.105018

Triangular Pyramid

Length = n
Surface area 3.6283349168361E+14
Volume 2.8585372110999E+21
Height 13645740.535079