28997984 is an even 8-digits composite number following 28997983
and preceding 28997985 . In scientific notation, it is written as 2.8997984 × 10^7.
The sum of its digits is 56. It has a total of 6 prime factors and 12 positive divisors.
There are 14498976 positive integers (up to 28997984) that are relatively prime to 28997984.
28997984 has 12 divisors, whose sum is 57089844
The reverse of 28997984 is 48979982
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
twenty-eight million nine hundred ninety-seven thousand nine hundred eighty-four
Scientific notation
2.8997984 × 10^7
Engineering notation
2.8997984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 906187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1812374
Product of the distinct prime numbers
The prime factorization of 28997984 is 2 × 2 × 2 × 2 × 2 × 906187.
Since it has a total of 6 prime factors.
7 , 10 , 84 , 68 , 621 , 769 , 8422 , 4393 , 92473 , 38652 , 803359 , 448923 , 6529468 , 5622830 , 93732810 , 86447535 , 968490360 , 712364790 , 8762590041 , 2554982309
n×2
57995968
n×3
86993952
n×4
115991936
n×5
144989920
n÷2
14498992
n÷3
9665994.6666667
n÷3
7249496
n÷5
5799596.8
n2
840883076064256
n3
2.4383913985582E+22
n4
7.0708434761129E+29
n5
2.0504020598682E+37
2 √n
5384.9776229804
3 √n
307.22456310393
4 √n
73.382406767429
5 √n
31.079466925358
1 , 2 , 4 , 8 , 16 , 32 , 906187 , 1812374 , 3624748 , 7249496 , 14498992 , 28997984
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28997983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28997984 can be divided by 12 positive divisors.
The sum of these divisors (counting 28997984) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110100111100101100000
3
Ternary
2000120020202102
4
Quaternary
1232213211200
5
Quinary
24410413414
6
Senary
2513305532
8
Octal
156474540
10
Decimal
28997984
12
Duodecimal
98652a8
16
Hexadecimal
1ba7960
20
Vigesimal
914ej4
36
Base36
h9izk
md5
73316b6524cafa1054113fb83871421a
sha1
9d28c2d93e1c02b8fca4a0eda5c864c585061306
sha256
eeaa960efe722e63c298a18422b2f17f883d07ad68bb05da63f17c4d7125a6f7
sha512
6f1614d03c0a758be48bbf848e75f9a28259b9a9ff0531464f53d85a4832702e5687acec53e9ebb13b4335de4ed0b181789711de604bc17c59fa29b03e03d0d6
ripemd-160
a6c1c8cb4953a850e03a9846fd5410b1f9c6cf23
Diameter
57995968
Circumference
182199707.00663
Area
2.6417120942915E+15
Volume
1.0213910005716E+23
Surface area
1.0566848377166E+16
Circumference
182199707.00663
Perimeter
115991936
Area
840883076064256
Diagonal
41009342.254278
Surface area
5045298456385536
Volume
2.4383913985582E+22
Space diagonal
50225981.605069
Perimeter
86993952
Area
3.6411305274202E+14
Altitude
25112990.802535
Surface area
3.6411305274202E+14
Volume
2.8736718218458E+21
Height
13669780.751426