28948891 (number)

28948891 is an odd 8-digits composite number following 28948890 and preceding 28948892. In scientific notation, it is written as 2.8948891 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 28516752 positive integers (up to 28948891) that are relatively prime to 28948891.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred forty-eight thousand eight hundred ninety-one

Notation

Scientific notation 2.8948891 × 10^7
Engineering notation 2.8948891 × 10^6

Prime Factorization of 28948891

Prime Factorization 67 × 432073

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28948891
Product of the distinct prime numbers

The prime factorization of 28948891 is 67 × 432073. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28948891)

Multiplication

n×y
n×2 57897782
n×3 86846673
n×4 115795564
n×5 144744455

Division

n÷y
n÷2 14474445.5
n÷3 9649630.3333333
n÷3 7237222.75
n÷5 5789778.2

Exponentiation

ny
n2 838038290129881
n3 2.4260279114796E+22
n4 7.0230817572381E+29
n5 2.0331042827438E+37

Nth Root

y√n
2√n 5380.4173629933
3√n 307.05109018262
4√n 73.351328297403
5√n 31.068936410069

Divisors of 28948891

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 -28948890
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 28948891 can be divided by 4 positive divisors. The sum of these divisors (counting 28948891) is 1, the average is 0.25.

Base conversion 28948891

Base System Value
2 Binary 1101110011011100110011011
3 Ternary 2000110202102011
4 Quaternary 1232123212123
5 Quinary 24402331031
6 Senary 2512250351
8 Octal 156334633
10 Decimal 28948891
12 Duodecimal 98409b7
16 Hexadecimal 1b9b99b
20 Vigesimal 90ic4b
36 Base36 h8h3v

Cryptographic Hash Functions

md5 b57387232ec1f48e080383c8a7529ef1
sha1 c2ecdd10525a246ff6d16d45685fb6e0ab9f572e
sha256 56e3744fd9a738ddea256f8fbddb593025f8960f5eeeeca469969123d77d1c9d
sha512 b9b96e072761fafc855e3922873367814f66e8efacdf0e2ecc60cf89f5f5ac64f41a3b751b61b1f84fb45dc1cf793cd3542ae77d07ea9fd85819a617e4ec82ed
ripemd-160 acb81eae8e05d2b069fd6be43aa7ea62cf6e3782

28948891 as geometric shapes

Circle

Radius = n
Diameter 57897782
Circumference 181891246.59034
Area 2.632774935699E+15

Sphere

Radius = n
Volume 1.0162121952144E+23
Surface area 1.0531099742796E+16
Circumference 181891246.59034

Square

Length = n
Perimeter 115795564
Area 838038290129881
Diagonal 40939914.26786

Cube

Length = n
Surface area 5028229740779286
Volume 2.4260279114796E+22
Space diagonal 50140950.034773

Equilateral Triangle

Length = n
Perimeter 86846673
Area 3.6288122429828E+14
Altitude 25070475.017387

Triangular Pyramid

Length = n
Surface area 3.6288122429828E+14
Volume 2.8591013125918E+21
Height 13646638.089287