28831421 (number)

28831421 is an odd 8-digits composite number following 28831420 and preceding 28831422. In scientific notation, it is written as 2.8831421 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 28775772 positive integers (up to 28831421) that are relatively prime to 28831421.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred thirty-one thousand four hundred twenty-one

Notation

Scientific notation 2.8831421 × 10^7
Engineering notation 2.8831421 × 10^6

Prime Factorization of 28831421

Prime Factorization 523 × 55127

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28831421
Product of the distinct prime numbers

The prime factorization of 28831421 is 523 × 55127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28831421)

Multiplication

n×y
n×2 57662842
n×3 86494263
n×4 115325684
n×5 144157105

Division

n÷y
n÷2 14415710.5
n÷3 9610473.6666667
n÷3 7207855.25
n÷5 5766284.2

Exponentiation

ny
n2 831250836879241
n3 2.3966142834668E+22
n4 6.9097795381244E+29
n5 1.9921876288085E+37

Nth Root

y√n
2√n 5369.4898267899
3√n 306.63520563095
4√n 73.276802787716
5√n 31.043680821982

Divisors of 28831421

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 -28831420
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 28831421 can be divided by 4 positive divisors. The sum of these divisors (counting 28831421) is 1, the average is 0.25.

Base conversion 28831421

Base System Value
2 Binary 1101101111110111010111101
3 Ternary 2000020210021102
4 Quaternary 1231332322331
5 Quinary 24340101141
6 Senary 2505542445
8 Octal 155767275
10 Decimal 28831421
12 Duodecimal 97a4a25
16 Hexadecimal 1b7eebd
20 Vigesimal 903ib1
36 Base36 h5ygt

Cryptographic Hash Functions

md5 3c7716f7659e6a04a6abaf83ec7d3b53
sha1 510f858b864f01bc2ce43e16f50ea32b7a88c7ac
sha256 3e44cebbb45ed67cab46e948c190ace3fdf9f9c4a6f927c000310fe60b950e72
sha512 22984695765dff1fcfe5bd9eb1eb6b718488c6d0b6812bc71940bed354e3dcd18e8a07af907129d57110e9daa22afc55ae59330ecce0fb7dad481de673486634
ripemd-160 959e20b7696134931bdfa30431c79ad6981eb978

28831421 as geometric shapes

Circle

Radius = n
Diameter 57662842
Circumference 181153160.81231
Area 2.6114515224302E+15

Sphere

Radius = n
Volume 1.0038914435237E+23
Surface area 1.0445806089721E+16
Circumference 181153160.81231

Square

Length = n
Perimeter 115325684
Area 831250836879241
Diagonal 40773786.600688

Cube

Length = n
Surface area 4987505021275446
Volume 2.3966142834668E+22
Space diagonal 49937486.026408

Equilateral Triangle

Length = n
Perimeter 86494263
Area 3.5994217082725E+14
Altitude 24968743.013204

Triangular Pyramid

Length = n
Surface area 3.5994217082725E+14
Volume 2.8244370195465E+21
Height 13591262.200229