28461921 (number)

28461921 is an odd 8-digits composite number following 28461920 and preceding 28461922. In scientific notation, it is written as 2.8461921 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 18974612 positive integers (up to 28461921) that are relatively prime to 28461921.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred sixty-one thousand nine hundred twenty-one

Notation

Scientific notation 2.8461921 × 10^7
Engineering notation 2.8461921 × 10^6

Prime Factorization of 28461921

Prime Factorization 3 × 9487307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28461921
Product of the distinct prime numbers

The prime factorization of 28461921 is 3 × 9487307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28461921)

Multiplication

n×y
n×2 56923842
n×3 85385763
n×4 113847684
n×5 142309605

Division

n÷y
n÷2 14230960.5
n÷3 9487307
n÷3 7115480.25
n÷5 5692384.2

Exponentiation

ny
n2 810080947010241
n3 2.3056459917411E+22
n4 6.5623114070901E+29
n5 1.86775988846E+37

Nth Root

y√n
2√n 5334.9715088274
3√n 305.31963624201
4√n 73.040889293788
5√n 30.96369934027

Divisors of 28461921

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 -28461920
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 28461921 can be divided by 4 positive divisors. The sum of these divisors (counting 28461921) is 1, the average is 0.25.

Base conversion 28461921

Base System Value
2 Binary 1101100100100101101100001
3 Ternary 1222120000102020
4 Quaternary 1230210231201
5 Quinary 24241240141
6 Senary 2454012053
8 Octal 154445541
10 Decimal 28461921
12 Duodecimal 9647029
16 Hexadecimal 1b24b61
20 Vigesimal 8hheg1
36 Base36 gy1cx

Cryptographic Hash Functions

md5 0a604e5b7f768d29f970e6169d38c648
sha1 0dc0058890660172613f3041483e91d74242ac3b
sha256 62131875311bdaeb3909988fb7549f090dfbd393710d9ccdfe34d5a6cb3e8734
sha512 7ace0f97b32769426c7e47e0cfeb934030d89b88f84421eae30cf8f3ab1252a11afebe54c19a269943605760004488f6085765b08e6d03664bac65a26617eba7
ripemd-160 e1a1e66fae1cd0c6b16cd96b7e30301938a7105f

28461921 as geometric shapes

Circle

Radius = n
Diameter 56923842
Circumference 178831523.84131
Area 2.5449443519404E+15

Sphere

Radius = n
Volume 9.65786734591E+22
Surface area 1.0179777407762E+16
Circumference 178831523.84131

Square

Length = n
Perimeter 113847684
Area 810080947010241
Diagonal 40251234.689392

Cube

Length = n
Surface area 4860485682061446
Volume 2.3056459917411E+22
Space diagonal 49297493.253012

Equilateral Triangle

Length = n
Perimeter 85385763
Area 3.5077533961631E+14
Altitude 24648746.626506

Triangular Pyramid

Length = n
Surface area 3.5077533961631E+14
Volume 2.7172298596262E+21
Height 13417078.229797