28438691 (number)

28438691 is an odd 8-digits prime number following 28438690 and preceding 28438692. In scientific notation, it is written as 2.8438691 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 28438690 positive integers (up to 28438691) that are relatively prime to 28438691.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8438691 × 10^7
Engineering notation 2.8438691 × 10^6

Prime Factorization of 28438691

Prime Factorization 28438691

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28438691
Product of the distinct prime numbers

The prime factorization of 28438691 is 28438691. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 6, 81, 84, 983, 240, 3081, 3467, 85464, 18140, 841070, 519579, 6017410, 1444084, 63377172, 50094815, 536570046, 173005648, 9742889045, 9763090207

Basic calculations (n = 28438691)

Multiplication

n×y
n×2 56877382
n×3 85316073
n×4 113754764
n×5 142193455

Division

n÷y
n÷2 14219345.5
n÷3 9479563.6666667
n÷3 7109672.75
n÷5 5687738.2

Exponentiation

ny
n2 808759145793481
n3 2.3000051440645E+22
n4 6.540913559046E+29
n5 1.8601501956342E+37

Nth Root

y√n
2√n 5332.7939206386
3√n 305.23654855411
4√n 73.025981134378
5√n 30.958643309953

Divisors of 28438691

1, 28438691

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28438692
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14219346
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5332.7940143981
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999296733
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438691 can be divided by 2 positive divisors. The sum of these divisors (counting 28438691) is 28438692, the average is 14219346.

Base conversion 28438691

Base System Value
2 Binary 1101100011111000010100011
3 Ternary 1222111211112212
4 Quaternary 1230133002203
5 Quinary 24240014231
6 Senary 2453312335
8 Octal 154370243
10 Decimal 28438691
12 Duodecimal 96356ab
16 Hexadecimal 1b1f0a3
20 Vigesimal 8hegeb
36 Base36 gxjfn

Cryptographic Hash Functions

md5 9c68e7fcd63241aa3cdfa555b6a49fe0
sha1 9bfe3756e0db4ae447a3c90864ebd4b54d7ec06b
sha256 40775e6a522b56ba7c6ddbe48a0a425a258f03971dabf436cef36a15b3dd6768
sha512 53daf6f8eca0dc74057422a974c6691ea7040b55cd35cafe295b760ed2f2dd31e20cbac1f64283d0f39e3d91f61bb3fe0a18aa8d40f1ca72a249c6f4bce05dc3
ripemd-160 e722a8f206d483b3b86db2add25d8cdcd93bdee0

28438691 as geometric shapes

Circle

Radius = n
Diameter 56877382
Circumference 178685565.44662
Area 2.5407917909484E+15

Sphere

Radius = n
Volume 9.6342390184156E+22
Surface area 1.0163167163793E+16
Circumference 178685565.44662

Square

Length = n
Perimeter 113754764
Area 808759145793481
Diagonal 40218382.508338

Cube

Length = n
Surface area 4852554874760886
Volume 2.3000051440645E+22
Space diagonal 49257257.712752

Equilateral Triangle

Length = n
Perimeter 85316073
Area 3.5020298290008E+14
Altitude 24628628.856376

Triangular Pyramid

Length = n
Surface area 3.5020298290008E+14
Volume 2.7105820568866E+21
Height 13406127.502779