28138976 is an even 8-digits composite number following 28138975
and preceding 28138977 . In scientific notation, it is written as 2.8138976 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 12 positive divisors.
There are 14069472 positive integers (up to 28138976) that are relatively prime to 28138976.
28138976 has 12 divisors, whose sum is 55398672
The reverse of 28138976 is 67983182
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million one hundred thirty-eight thousand nine hundred seventy-six
Scientific notation
2.8138976 × 10^7
Engineering notation
2.8138976 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 879343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1758686
Product of the distinct prime numbers
The prime factorization of 28138976 is 2 × 2 × 2 × 2 × 2 × 879343.
Since it has a total of 6 prime factors.
9 , 2 , 17 , 67 , 356 , 709 , 3702 , 6405 , 70949 , 60233 , 368425 , 174622 , 8113939 , 6868326 , 14604799 , 73558631 , 419607329 , 526745706 , 3882065777 , 1481785290
n×2
56277952
n×3
84416928
n×4
112555904
n×5
140694880
n÷2
14069488
n÷3
9379658.6666667
n÷3
7034744
n÷5
5627795.2
n2
791801970328576
n3
2.2280496639829E+22
n4
6.2695036021622E+29
n5
1.7641741139315E+37
2 √n
5304.6183651607
3 √n
304.16046468453
4 √n
72.832811048048
5 √n
30.893111921773
1 , 2 , 4 , 8 , 16 , 32 , 879343 , 1758686 , 3517372 , 7034744 , 14069488 , 28138976
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
-28138975
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 28138976 can be divided by 12 positive divisors.
The sum of these divisors (counting 28138976) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011010101110111100000
3
Ternary
1221221121102022
4
Quaternary
1223111313200
5
Quinary
24200421401
6
Senary
2443041012
8
Octal
153256740
10
Decimal
28138976
12
Duodecimal
9510168
16
Hexadecimal
1ad5de0
20
Vigesimal
8fh78g
36
Base36
gr468
md5
eeedc9715344e9af846c34cfece4fdfa
sha1
3a77e1348fd0beeb1b88332a5e50fc645475d3be
sha256
7d8dec7c262bd9649c45e6f81f86c4c03d05c08fbd4d7684767292dcfd6fba2e
sha512
e96cb1f2489a001e8d7e4e6e7f12dc60d1c2f354b3857869ccdb04ecc2876df938ee7e4e1dbaf23321fe6a549c4b181fe27ef358ce54d21cff468fb802bd0466
ripemd-160
71150413eb2f9e99859570c487c947f3fe9cfe7e
Diameter
56277952
Circumference
176802400.56228
Area
2.4875192530822E+15
Volume
9.332832608269E+22
Surface area
9.9500770123287E+15
Circumference
176802400.56228
Perimeter
112555904
Area
791801970328576
Diagonal
39794521.490491
Surface area
4750811821971456
Volume
2.2280496639829E+22
Space diagonal
48738136.104961
Perimeter
84416928
Area
3.4286031053556E+14
Altitude
24369068.052481
Surface area
3.4286031053556E+14
Volume
2.6257817103711E+21
Height
13264840.49683