28938 (number)

28938 is an even 5-digits composite number following 28937 and preceding 28939. In scientific notation, it is written as 2.8938 × 10^4. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7488 positive integers (up to 28938) that are relatively prime to 28938.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred thirty-eight

Notation

Scientific notation 2.8938 × 10^4
Engineering notation 2.8938 × 10^3

Prime Factorization of 28938

Prime Factorization 2 × 1113 × 13

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28938
Product of the distinct prime numbers

The prime factorization of 28938 is 2 × 1113 × 13. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28938)

Multiplication

n×y
n×2 57876
n×3 86814
n×4 115752
n×5 144690

Division

n÷y
n÷2 14469
n÷3 9646
n÷3 7234.5
n÷5 5787.6

Exponentiation

ny
n2 837407844
n3 24232908189672
n4 701251897192728336
n5 2.0292827400963E+22

Nth Root

y√n
2√n 170.11172799075
3√n 30.701257963569
4√n 13.042688679515
5√n 7.8035766842705

Divisors of 28938

1, 2, 13, 26, 1113, 2226, 14469, 28938

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 -28937
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 28938 can be divided by 8 positive divisors. The sum of these divisors (counting 28938) is 1, the average is 0.125.

Base conversion 28938

Base System Value
2 Binary 111000100001010
3 Ternary 1110200210
4 Quaternary 13010022
5 Quinary 1411223
6 Senary 341550
8 Octal 70412
10 Decimal 28938
12 Duodecimal 148b6
16 Hexadecimal 710a
20 Vigesimal 3c6i
36 Base36 mbu

Cryptographic Hash Functions

md5 dd0e5d3313b032ce56c959d25e1beee1
sha1 8756a434f5c36f5b5117ce3c2334098f0b50b596
sha256 29f7e33c2656e36b348f68f78950f7c87638e93e8e81dedf4bad98bd8c40c816
sha512 412f00055a9210f279fd2a81160fed736028ef91a8b8a9ca3a1500eaef7fb6eb9306a3d7b281417e3dfc03ae8d87ba9debcd69c77cf3b6b9c860f400e15f7191
ripemd-160 fb9a7536cb28f0dfaa607bff750cf79f133876c0

28938 as geometric shapes

Circle

Radius = n
Diameter 57876
Circumference 181822.81641916
Area 2630794330.7689

Sphere

Radius = n
Volume 1.0150656845839E+14
Surface area 10523177323.075
Circumference 181822.81641916

Square

Length = n
Perimeter 115752
Area 837407844
Diagonal 40924.512067953

Cube

Length = n
Surface area 5024447064
Volume 24232908189672
Space diagonal 50122.086269428

Equilateral Triangle

Length = n
Perimeter 86814
Area 362608233.11618
Altitude 25061.043134714

Triangular Pyramid

Length = n
Surface area 362608233.11618
Volume 2855875618131.3
Height 13641.504022651