28939930 is an even 8-digits composite number following 28939929
and preceding 28939931 . In scientific notation, it is written as 2.8939930 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 11575968 positive integers (up to 28939930) that are relatively prime to 28939930.
28939930 has 8 divisors, whose sum is 52091892
The reverse of 28939930 is 03993982
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred thirty
Scientific notation
2.8939930 × 10^7
Engineering notation
2.8939930 × 10^6
Prime Factorization
2 × 5 × 2893993
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28939930
Product of the distinct prime numbers
The prime factorization of 28939930 is 2 × 5 × 2893993.
Since it has a total of 3 prime factors.
7 , 1 , 1 , 45 , 41 , 184 , 8420 , 7340 , 39111 , 90940 , 434656 , 228477 , 6566075 , 9424422 , 91483044 , 68515345 , 607330216 , 564780688 , 8649805132 , 5055721913
n×2
57879860
n×3
86819790
n×4
115759720
n×5
144699650
n÷2
14469965
n÷3
9646643.3333333
n÷3
7234982.5
n÷5
5787986
n2
837519548404900
n3
2.4237757104469E+22
n4
7.0143899396035E+29
n5
2.0299595384483E+37
2 √n
5379.5845564504
3 √n
307.01940481488
4 √n
73.3456512443
5 √n
31.067012721747
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28939929
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28939930 can be divided by 8 positive divisors.
The sum of these divisors (counting 28939930) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110011001011010011010
3
Ternary
2000110022010021
4
Quaternary
1232121122122
5
Quinary
24402034210
6
Senary
2512141054
8
Octal
156313232
10
Decimal
28939930
12
Duodecimal
983778a
16
Hexadecimal
1b9969a
20
Vigesimal
90h9ga
36
Base36
h8a6y
md5
748b3ae53f28ef6bdb07f4c079d8bce7
sha1
7aa4114ce2a216b44eecfd7602b02b067b96418b
sha256
f37d97376bbb945cf3f7b0b0a4912a000c71441b6b7cfd4aedc63f595080b374
sha512
f66a75670f2d96f46b6d420939723aac186f8e37e39615edcc470068ab95694fbdebe56bda80e4a54c88f6899b55a21d66fb5aa994debe213e819c6228d3bd9d
ripemd-160
1d3785dad4455f9ab8ccc52849b22d236ab75fc9
Diameter
57879860
Circumference
181834942.96681
Area
2.6311452605067E+15
Volume
1.0152687954519E+23
Surface area
1.0524581042027E+16
Circumference
181834942.96681
Perimeter
115759720
Area
837519548404900
Diagonal
40927241.500128
Surface area
5025117290429400
Volume
2.4237757104469E+22
Space diagonal
50125429.127487
Perimeter
86819790
Area
3.6265660254236E+14
Altitude
25062714.563743
Surface area
3.6265660254236E+14
Volume
2.8564470682205E+21
Height
13642413.833376