28977 is an odd 5-digits composite number following 28976
and preceding 28978 . In scientific notation, it is written as 2.8977 × 10^4.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 17808 positive integers (up to 28977) that are relatively prime to 28977.
28977 has 4 divisors, whose sum is 29760
The reverse of 28977 is 77982
Previous prime number is 39
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 33
Digital Root 6
Name
twenty-eight thousand nine hundred seventy-seven
Scientific notation
2.8977 × 10^4
Engineering notation
2.8977 × 10^3
Prime Factorization
39 × 743
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28977
Product of the distinct prime numbers
The prime factorization of 28977 is 39 × 743.
Since it has a total of 2 prime factors.
4 , 3 , 72 , 7 , 482 , 125 , 3482 , 2657 , 32200 , 60447 , 347856 , 720867 , 4116661 , 6201977 , 12544030 , 58616767 , 167720426 , 287607489 , 5340498668 , 2405713557
n×2
57954
n×3
86931
n×4
115908
n×5
144885
n÷2
14488.5
n÷3
9659
n÷3
7244.25
n÷5
5795.4
n2
839666529
n3
24331017010833
n4
705039879922907841
n5
2.0429940600526E+22
2 √n
170.22631993907
3 √n
30.715043891764
4 √n
13.047080897238
5 √n
7.8056789412254
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28976
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28977 can be divided by 4 positive divisors.
The sum of these divisors (counting 28977) is 1, the average is 0.25.
Base
System
Value
2
Binary
111000100110001
3
Ternary
1110202020
4
Quaternary
13010301
5
Quinary
1411402
6
Senary
342053
8
Octal
70461
10
Decimal
28977
12
Duodecimal
14929
16
Hexadecimal
7131
20
Vigesimal
3c8h
36
Base36
mcx
md5
2c09b237b3fe0a29b7ae5b63cd8632aa
sha1
e96035807e7f6cddc47efd926b3b93464edf1731
sha256
7b46d8b7e23d7df6e3aaa2962b085575345983a3ef5ea1d8faef59f3e5e2077f
sha512
de9e5883175189eed8d6b5971be01f9f760fe528b2646c13e7cb7111c7e251efe6d5333d48428253aee75c75cce0d60b6b265d64f0196967ff681da87bf5d978
ripemd-160
1af172c074672c3ea76ba708f383bc23b8feedfe
Diameter
57954
Circumference
182067.86064614
Area
2637890198.9716
Volume
1.0191752572747E+14
Surface area
10551560795.887
Circumference
182067.86064614
Perimeter
115908
Area
839666529
Diagonal
40979.666396885
Surface area
5037999174
Volume
24331017010833
Space diagonal
50189.636250923
Perimeter
86931
Area
363586272.41075
Altitude
25094.818125462
Surface area
363586272.41075
Volume
2867437853587.5
Height
13659.888798962