28931877 is an odd 8-digits composite number following 28931876
and preceding 28931878 . In scientific notation, it is written as 2.8931877 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 17646336 positive integers (up to 28931877) that are relatively prime to 28931877.
28931877 has 16 divisors, whose sum is 39251520
The reverse of 28931877 is 77813982
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million nine hundred thirty-one thousand eight hundred seventy-seven
Scientific notation
2.8931877 × 10^7
Engineering notation
2.8931877 × 10^6
Prime Factorization
117 × 3 × 139 × 593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931877
Product of the distinct prime numbers
The prime factorization of 28931877 is 117 × 3 × 139 × 593.
Since it has a total of 4 prime factors.
3 , 3 , 19 , 24 , 500 , 135 , 7858 , 2007 , 76225 , 18442 , 594888 , 130842 , 9538093 , 9990988 , 91497117 , 65301200 , 190034670 , 954714182 , 3788201012 , 4822267817
n×2
57863754
n×3
86795631
n×4
115727508
n×5
144659385
n÷2
14465938.5
n÷3
9643959
n÷3
7232969.25
n÷5
5786375.4
n2
837053506743129
n3
2.4217529099511E+22
n4
7.0065857315097E+29
n5
2.0271367657399E+37
2 √n
5378.8360265024
3 √n
306.99092448069
4 √n
73.34054831062
5 √n
31.065283550287
1 , 3 , 117 , 139 , 351 , 417 , 593 , 1779 , 16263 , 48789 , 69381 , 82427 , 208143 , 247281 , 9643959 , 28931877
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931876
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931877 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931877) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111011100100101
3
Ternary
2000102220002000
4
Quaternary
1232113130211
5
Quinary
24401310002
6
Senary
2512035513
8
Octal
156273445
10
Decimal
28931877
12
Duodecimal
9832b99
16
Hexadecimal
1b97725
20
Vigesimal
90g9dh
36
Base36
h83z9
md5
60e57cf16d35d5bb949fcd9bfc7845e4
sha1
dbc224471ef6894381bebd43dafe15e54c60f9d8
sha256
6089fa2462fe52fc97dfd8525536b982055500362d0e24c4c793cb816daa83a3
sha512
3603b1fed8c1a1e462f1b0a1a9585de76d67602b0cc6b7550766dc626c2e8a4c267f745d8bcdcb8d5c34a0f6fd5d8ee61872f1b796c9a62a464ecf36cae9b66d
ripemd-160
dca549ba4f678feec15aa67bb4f119e0b33a7946
Diameter
57863754
Circumference
181784344.47553
Area
2.6296811474458E+15
Volume
1.0144214867616E+23
Surface area
1.0518724589783E+16
Circumference
181784344.47553
Perimeter
115727508
Area
837053506743129
Diagonal
40915852.83831
Surface area
5022321040458774
Volume
2.4217529099511E+22
Space diagonal
50111480.922333
Perimeter
86795631
Area
3.624548005832E+14
Altitude
25055740.461167
Surface area
3.624548005832E+14
Volume
2.8540631749744E+21
Height
13638617.61277