28291438 (number)

28291438 is an even 8-digits composite number following 28291437 and preceding 28291439. In scientific notation, it is written as 2.8291438 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 12124896 positive integers (up to 28291438) that are relatively prime to 28291438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291438 × 10^7
Engineering notation 2.8291438 × 10^6

Prime Factorization of 28291438

Prime Factorization 2 × 7 × 2020817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291438
Product of the distinct prime numbers

The prime factorization of 28291438 is 2 × 7 × 2020817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 73, 38, 600, 686, 6682, 8857, 38024, 25950, 901576, 483296, 9805272, 3009195, 18423867, 77368121, 186887927, 133781568, 533597769, 3855407272

Basic calculations (n = 28291438)

Multiplication

n×y
n×2 56582876
n×3 84874314
n×4 113165752
n×5 141457190

Division

n÷y
n÷2 14145719
n÷3 9430479.3333333
n÷3 7072859.5
n÷5 5658287.6

Exponentiation

ny
n2 800405464107844
n3 2.2644621562668E+22
n4 6.4064890697369E+29
n5 1.8124878831414E+37

Nth Root

y√n
2√n 5318.9696370632
3√n 304.70880744962
4√n 72.93126652584
5√n 30.926516483369

Divisors of 28291438

1, 2, 7, 14, 2020817, 4041634, 14145719, 28291438

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 -28291437
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 28291438 can be divided by 8 positive divisors. The sum of these divisors (counting 28291438) is 1, the average is 0.125.

Base conversion 28291438

Base System Value
2 Binary 1101011111011000101101110
3 Ternary 1222020100120001
4 Quaternary 1223323011232
5 Quinary 24220311223
6 Senary 2450214514
8 Octal 153730556
10 Decimal 28291438
12 Duodecimal 958443a
16 Hexadecimal 1afb16e
20 Vigesimal 8gg8bi
36 Base36 gudta

Cryptographic Hash Functions

md5 98d0a04dcaed0598e2a8f0d0721b04b6
sha1 c5efff594463a60e1059ad40a1927b1f4014c6ee
sha256 50b458eae3a017875b0365054eb0e79fcdedee47c0ac875695bf3742c068c0ee
sha512 4bf312e9f868e18badeeb9d4635da1fb97a7a11cfa064409613dcfedd04e91e6c0fba70638af20d8dbf74dd152ba00443216e26f711e0c0d16125d8a95031d87
ripemd-160 fa44654b486a3c511b3ca73222f2b7bff3fa0ef1

28291438 as geometric shapes

Circle

Radius = n
Diameter 56582876
Circumference 177760347.56058
Area 2.5145479259343E+15

Sphere

Radius = n
Volume 9.48535689928E+22
Surface area 1.0058191703737E+16
Circumference 177760347.56058

Square

Length = n
Perimeter 113165752
Area 800405464107844
Diagonal 40010135.318638

Cube

Length = n
Surface area 4802432784647064
Volume 2.2644621562668E+22
Space diagonal 49002208.035185

Equilateral Triangle

Length = n
Perimeter 84874314
Area 3.4658573262263E+14
Altitude 24501104.017592

Triangular Pyramid

Length = n
Surface area 3.4658573262263E+14
Volume 2.668694244061E+21
Height 13336711.772879