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.
28972 has 6 divisors, whose sum is 50708
The reverse of 28972 is 27982
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 28
Digital Root 1
Name
twenty-eight thousand nine hundred seventy-two
Scientific notation
2.8972 × 10^4
Engineering notation
2.8972 × 10^3
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.
8 , 8 , 13 , 86 , 670 , 448 , 4885 , 7301 , 16401 , 20677 , 896301 , 23684 , 3913687 , 243875 , 19269488 , 1290315 , 38936548 , 586168377 , 9781937013 , 8708733624
n×2
57944
n×3
86916
n×4
115888
n×5
144860
n÷2
14486
n÷3
9657.3333333333
n÷3
7243
n÷5
5794.4
n2
839376784
n3
24318424186048
n4
704553385518182656
n5
2.0412320685233E+22
2 √n
170.21163297495
3 √n
30.713277156612
4 √n
13.046518040265
5 √n
7.8054095476461
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
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
md5
80577d9cb5c479e8e8b85252f1bfe005
sha1
67426b28cc695c8e7850bed14dc4ab8b43f93fce
sha256
fde40b5bd86dfd27763ec14c02643fd79606dd6602a34b0405e7e2ee39eb9871
sha512
cfd1a12cf5b2d5383fc7eaaf625a20605d6b73fdf7b1c765e706ca93d2aa04302b6f27b3cdcb848a27a0f5b54450fc5ffb3706a211ef982547c72fe1fd5b086c
ripemd-160
ce90f646735d4640a91bc0b08dd6fe4758dbc70d
Diameter
57944
Circumference
182036.44471961
Area
2636979938.2082
Volume
1.0186477702636E+14
Surface area
10547919752.833
Circumference
182036.44471961
Perimeter
115888
Area
839376784
Diagonal
40972.595329073
Surface area
5036260704
Volume
24318424186048
Space diagonal
50180.975996886
Perimeter
86916
Area
363460809.14544
Altitude
25090.487998443
Surface area
363460809.14544
Volume
2865953774954.2
Height
13657.531776358