28931641 (number)

28931641 is an odd 8-digits prime number following 28931640 and preceding 28931642. In scientific notation, it is written as 2.8931641 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 28931640 positive integers (up to 28931641) that are relatively prime to 28931641.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand six hundred forty-one

Notation

Scientific notation 2.8931641 × 10^7
Engineering notation 2.8931641 × 10^6

Prime Factorization of 28931641

Prime Factorization 28931641

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28931641
Product of the distinct prime numbers

The prime factorization of 28931641 is 28931641. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931641)

Multiplication

n×y
n×2 57863282
n×3 86794923
n×4 115726564
n×5 144658205

Division

n÷y
n÷2 14465820.5
n÷3 9643880.3333333
n÷3 7232910.25
n÷5 5786328.2

Exponentiation

ny
n2 837039850952881
n3 2.4216936470462E+22
n4 7.0063571208322E+29
n5 2.0270540893771E+37

Nth Root

y√n
2√n 5378.8140886259
3√n 306.99008976062
4√n 73.340398748751
5√n 31.065232869643

Divisors of 28931641

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28931642
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14465821
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5378.8141815831
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999308715
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931641 can be divided by 2 positive divisors. The sum of these divisors (counting 28931641) is 28931642, the average is 14465821.

Base conversion 28931641

Base System Value
2 Binary 1101110010111011000111001
3 Ternary 2000102212202021
4 Quaternary 1232113120321
5 Quinary 24401303031
6 Senary 2512034441
8 Octal 156273071
10 Decimal 28931641
12 Duodecimal 9832a21
16 Hexadecimal 1b97639
20 Vigesimal 90g921
36 Base36 h83sp

Cryptographic Hash Functions

md5 642b75d73927244522a64f3465b4c78f
sha1 5c7259c4e0ac5bf9a3cdb3d526d7dc5b099772fb
sha256 e89d2418497845f3fef1d7227188c6f924726041b2ea2c86547fa91e4f2cb466
sha512 4b373e137c0b90b29e864b2f228b7703787417bceed612311c9561089c83730ac807233ee6fd148f87944838775eb73cdba6533b3710634cd07b624566b0fa9b
ripemd-160 bc83bd157db54f4d34ed84edf8b0b9ae30b02f5d

28931641 as geometric shapes

Circle

Radius = n
Diameter 57863282
Circumference 181782861.64379
Area 2.6296382465155E+15

Sphere

Radius = n
Volume 1.0143966627741E+23
Surface area 1.0518552986062E+16
Circumference 181782861.64379

Square

Length = n
Perimeter 115726564
Area 837039850952881
Diagonal 40915519.083909

Cube

Length = n
Surface area 5022239105717286
Volume 2.4216936470462E+22
Space diagonal 50111072.158343

Equilateral Triangle

Length = n
Perimeter 86794923
Area 3.6244888745257E+14
Altitude 25055536.079171

Triangular Pyramid

Length = n
Surface area 3.6244888745257E+14
Volume 2.8539933329713E+21
Height 13638506.361303