28391641 (number)

28391641 is an odd 8-digits composite number following 28391640 and preceding 28391642. In scientific notation, it is written as 2.8391641 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 28002672 positive integers (up to 28391641) that are relatively prime to 28391641.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand six hundred forty-one

Notation

Scientific notation 2.8391641 × 10^7
Engineering notation 2.8391641 × 10^6

Prime Factorization of 28391641

Prime Factorization 103 × 373 × 739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28391641
Product of the distinct prime numbers

The prime factorization of 28391641 is 103 × 373 × 739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28391641)

Multiplication

n×y
n×2 56783282
n×3 85174923
n×4 113566564
n×5 141958205

Division

n÷y
n÷2 14195820.5
n÷3 9463880.3333333
n÷3 7097910.25
n÷5 5678328.2

Exponentiation

ny
n2 806085278672881
n3 2.2886083847465E+22
n4 6.4977347649314E+29
n5 1.8448135275915E+37

Nth Root

y√n
2√n 5328.3807108727
3√n 305.06812417185
4√n 72.995758170408
5√n 30.94839270405

Divisors of 28391641

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 -28391640
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 28391641 can be divided by 8 positive divisors. The sum of these divisors (counting 28391641) is 1, the average is 0.125.

Base conversion 28391641

Base System Value
2 Binary 1101100010011100011011001
3 Ternary 1222102110000021
4 Quaternary 1230103203121
5 Quinary 24232013031
6 Senary 2452310441
8 Octal 154234331
10 Decimal 28391641
12 Duodecimal 9612421
16 Hexadecimal 1b138d9
20 Vigesimal 8h8j21
36 Base36 gwj4p

Cryptographic Hash Functions

md5 781487bd7cd4d593f22d1fc397394f64
sha1 65f31a3f97c44ae263548c6a1be7d07bd0570756
sha256 2ce488165c60c4080a71732d48c7dfe3e8f27df83b11598f1ae26494d7402b65
sha512 d30f9db79fd367b32170804b7adb61fa9f032b343378a789645314575a5668d7220fd59092ceafa0f6ac977c73ff1e7ed613297c00bc83116cb3a0992d06a83d
ripemd-160 5381e30fb3441ad14a5571751a3f2a52875d72cb

28391641 as geometric shapes

Circle

Radius = n
Diameter 56783282
Circumference 178389941.57792
Area 2.5323915896456E+15

Sphere

Radius = n
Volume 9.5865003846183E+22
Surface area 1.0129566358582E+16
Circumference 178389941.57792

Square

Length = n
Perimeter 113566564
Area 806085278672881
Diagonal 40151843.760228

Cube

Length = n
Surface area 4836511672037286
Volume 2.2886083847465E+22
Space diagonal 49175764.722256

Equilateral Triangle

Length = n
Perimeter 85174923
Area 3.4904516447369E+14
Altitude 24587882.361128

Triangular Pyramid

Length = n
Surface area 3.4904516447369E+14
Volume 2.6971508472244E+21
Height 13383947.920076