28972 (number)

28972 is an even 5-digits composite number following 28971 and preceding 28973. In scientific notation, it is written as 2.8972 × 10^4. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 14484 positive integers (up to 28972) that are relatively prime to 28972.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred seventy-two

Notation

Scientific notation 2.8972 × 10^4
Engineering notation 2.8972 × 10^3

Prime Factorization of 28972

Prime Factorization 2 × 2 × 7243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14486
Product of the distinct prime numbers

The prime factorization of 28972 is 2 × 2 × 7243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28972)

Multiplication

n×y
n×2 57944
n×3 86916
n×4 115888
n×5 144860

Division

n÷y
n÷2 14486
n÷3 9657.3333333333
n÷3 7243
n÷5 5794.4

Exponentiation

ny
n2 839376784
n3 24318424186048
n4 704553385518182656
n5 2.0412320685233E+22

Nth Root

y√n
2√n 170.21163297495
3√n 30.713277156612
4√n 13.046518040265
5√n 7.8054095476461

Divisors of 28972

1, 2, 4, 7243, 14486, 28972

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28972 can be divided by 6 positive divisors. The sum of these divisors (counting 28972) is 1, the average is 0.16666666666667.

Base conversion 28972

Base System Value
2 Binary 111000100101100
3 Ternary 1110202001
4 Quaternary 13010230
5 Quinary 1411342
6 Senary 342044
8 Octal 70454
10 Decimal 28972
12 Duodecimal 14924
16 Hexadecimal 712c
20 Vigesimal 3c8c
36 Base36 mcs

Cryptographic Hash Functions

md5 80577d9cb5c479e8e8b85252f1bfe005
sha1 67426b28cc695c8e7850bed14dc4ab8b43f93fce
sha256 fde40b5bd86dfd27763ec14c02643fd79606dd6602a34b0405e7e2ee39eb9871
sha512 cfd1a12cf5b2d5383fc7eaaf625a20605d6b73fdf7b1c765e706ca93d2aa04302b6f27b3cdcb848a27a0f5b54450fc5ffb3706a211ef982547c72fe1fd5b086c
ripemd-160 ce90f646735d4640a91bc0b08dd6fe4758dbc70d

28972 as geometric shapes

Circle

Radius = n
Diameter 57944
Circumference 182036.44471961
Area 2636979938.2082

Sphere

Radius = n
Volume 1.0186477702636E+14
Surface area 10547919752.833
Circumference 182036.44471961

Square

Length = n
Perimeter 115888
Area 839376784
Diagonal 40972.595329073

Cube

Length = n
Surface area 5036260704
Volume 24318424186048
Space diagonal 50180.975996886

Equilateral Triangle

Length = n
Perimeter 86916
Area 363460809.14544
Altitude 25090.487998443

Triangular Pyramid

Length = n
Surface area 363460809.14544
Volume 2865953774954.2
Height 13657.531776358