28137691 is an odd 8-digits composite number following 28137690
and preceding 28137692 . In scientific notation, it is written as 2.8137691 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 27859000 positive integers (up to 28137691) that are relatively prime to 28137691.
28137691 has 4 divisors, whose sum is 28416384
The reverse of 28137691 is 19673182
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred thirty-seven thousand six hundred ninety-one
Scientific notation
2.8137691 × 10^7
Engineering notation
2.8137691 × 10^6
Prime Factorization
101 × 278591
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28137691
Product of the distinct prime numbers
The prime factorization of 28137691 is 101 × 278591.
Since it has a total of 2 prime factors.
1 , 9 , 72 , 79 , 475 , 361 , 1896 , 9936 , 80104 , 36554 , 458297 , 154860 , 1732004 , 5437267 , 58886910 , 52559203 , 749720889 , 49593672 , 7761475593 , 8197548555
n×2
56275382
n×3
84413073
n×4
112550764
n×5
140688455
n÷2
14068845.5
n÷3
9379230.3333333
n÷3
7034422.75
n÷5
5627538.2
n2
791729654811481
n3
2.2277444382622E+22
n4
6.2683584630791E+29
n5
1.7637713351135E+37
2 √n
5304.4972429062
3 √n
304.15583466357
4 √n
72.831979534448
5 √n
30.892829762437
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28137690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28137691 can be divided by 4 positive divisors.
The sum of these divisors (counting 28137691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011010101100011011011
3
Ternary
1221221112122201
4
Quaternary
1223111203123
5
Quinary
24200401231
6
Senary
2443031031
8
Octal
153254333
10
Decimal
28137691
12
Duodecimal
950b477
16
Hexadecimal
1ad58db
20
Vigesimal
8fh44b
36
Base36
gr36j
md5
351245c3f52a05e18381b6296cf0c81a
sha1
4bc8444294a92f5a563213a708a53d77caeae443
sha256
a3109c0f4eaf953c458b54a2da5988c3472c290fade9846366dec2db64a5584b
sha512
58e76732bbc2d6b30313068ee41256b73cc3a19645bf3902b6c937ce6cece582c321dfe35cd35ba0410d4b13d6f8c1f6fc93a94e52cf57314e584ed18b328cd0
ripemd-160
c21628cec0447f167726e12c16f580bc24988ccc
Diameter
56275382
Circumference
176794326.66916
Area
2.4872920671849E+15
Volume
9.3315540817601E+22
Surface area
9.9491682687397E+15
Circumference
176794326.66916
Perimeter
112550764
Area
791729654811481
Diagonal
39792704.226063
Surface area
4750377928868886
Volume
2.2277444382622E+22
Space diagonal
48735910.419674
Perimeter
84413073
Area
3.4282899699811E+14
Altitude
24367955.209837
Surface area
3.4282899699811E+14
Volume
2.6254219984097E+21
Height
13264234.742021