28939984 is an even 8-digits composite number following 28939983
and preceding 28939985 . In scientific notation, it is written as 2.8939984 × 10^7.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 13618688 positive integers (up to 28939984) that are relatively prime to 28939984.
28939984 has 20 divisors, whose sum is 59370084
The reverse of 28939984 is 48993982
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred eighty-four
Scientific notation
2.8939984 × 10^7
Engineering notation
2.8939984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 106397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3617498
Product of the distinct prime numbers
The prime factorization of 28939984 is 2 × 2 × 2 × 2 × 17 × 106397.
Since it has a total of 6 prime factors.
8 , 5 , 43 , 31 , 601 , 826 , 8372 , 4156 , 25984 , 60637 , 106408 , 169319 , 605708 , 2590809 , 20069080 , 60016247 , 510609780 , 723813545 , 5653548394 , 3165071630
n×2
57879968
n×3
86819952
n×4
115759936
n×5
144699920
n÷2
14469992
n÷3
9646661.3333333
n÷3
7234996
n÷5
5787996.8
n2
837522673920256
n3
2.4237892782889E+22
n4
7.0144422933054E+29
n5
2.0299784773718E+37
2 √n
5379.589575423
3 √n
307.01959577408
4 √n
73.345685458812
5 √n
31.067024315538
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 106397 , 212794 , 425588 , 851176 , 1702352 , 1808749 , 3617498 , 7234996 , 14469992 , 28939984
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28939983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28939984 can be divided by 20 positive divisors.
The sum of these divisors (counting 28939984) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101110011001011011010000
3
Ternary
2000110022012021
4
Quaternary
1232121123100
5
Quinary
24402034414
6
Senary
2512141224
8
Octal
156313320
10
Decimal
28939984
12
Duodecimal
9837814
16
Hexadecimal
1b996d0
20
Vigesimal
90h9j4
36
Base36
h8a8g
md5
801f63bfd9cc9dfae2b9d7a06b6d66eb
sha1
643a605af52b45836ed52c813b13095dfc09ed73
sha256
a51aa847c02953558a5ac01b8883d8b7db84dd2b570e5060079fde00cbd39f5f
sha512
2ed8372f8508d64c87161e3c75c0286b4fbc5c5790f95e741207d5c8113018d8d580f72fcd4b7d9a467931f2f4b4be8ff116e963b097610136f39b1bb5b1b009
ripemd-160
4ab4251f4b8668286c47d569fab318f22e369470
Diameter
57879968
Circumference
181835282.25881
Area
2.6311550796028E+15
Volume
1.0152744787363E+23
Surface area
1.0524620318411E+16
Circumference
181835282.25881
Perimeter
115759936
Area
837522673920256
Diagonal
40927317.86766
Surface area
5025136043521536
Volume
2.4237892782889E+22
Space diagonal
50125522.65823
Perimeter
86819952
Area
3.6265795593021E+14
Altitude
25062761.329115
Surface area
3.6265795593021E+14
Volume
2.8564630580756E+21
Height
13642439.28922