28137908 is an even 8-digits composite number following 28137907
and preceding 28137909 . In scientific notation, it is written as 2.8137908 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 13688640 positive integers (up to 28137908) that are relatively prime to 28137908.
28137908 has 12 divisors, whose sum is 50572452
The reverse of 28137908 is 80973182
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred thirty-seven thousand nine hundred eight
Scientific notation
2.8137908 × 10^7
Engineering notation
2.8137908 × 10^6
Prime Factorization
2 × 2 × 37 × 190121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14068954
Product of the distinct prime numbers
The prime factorization of 28137908 is 2 × 2 × 37 × 190121.
Since it has a total of 4 prime factors.
9 , 9 , 61 , 14 , 426 , 574 , 2424 , 2291 , 28861 , 14390 , 732375 , 56822 , 7044527 , 1441915 , 34304080 , 425748 , 534920580 , 825393271 , 5149342947 , 912540514
n×2
56275816
n×3
84413724
n×4
112551632
n×5
140689540
n÷2
14068954
n÷3
9379302.6666667
n÷3
7034477
n÷5
5627581.6
n2
791741866616464
n3
2.2277959802602E+22
n4
6.2685518335332E+29
n5
1.7638393478519E+37
2 √n
5304.5176972087
3 √n
304.15661655249
4 √n
72.832119955475
5 √n
30.892877411857
1 , 2 , 4 , 37 , 74 , 148 , 190121 , 380242 , 760484 , 7034477 , 14068954 , 28137908
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
-28137907
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 28137908 can be divided by 12 positive divisors.
The sum of these divisors (counting 28137908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011010101100110110100
3
Ternary
1221221112221202
4
Quaternary
1223111212310
5
Quinary
24200403113
6
Senary
2443032032
8
Octal
153254664
10
Decimal
28137908
12
Duodecimal
950b618
16
Hexadecimal
1ad59b4
20
Vigesimal
8fh4f8
36
Base36
gr3ck
md5
2c3b83e33910f7131b62848ea98f4007
sha1
0cada0b5906f853711f26d55a4a279fbc6198cad
sha256
bece2782605495ffc1293d761bfcc89e8c3f737cfa80c9621c9f82dc61034fde
sha512
f9704313d061bf31a591a5d3c8f4f9e7920395a3b973538d9c5e225135f0a53538164d45133e9c180fe9daac699c3bd2787b1b63871575aa20bc98c5876560f4
ripemd-160
16905978c42603458e1f776ba6b3f89a2f5f0994
Diameter
56275816
Circumference
176795690.12037
Area
2.4873304317018E+15
Volume
9.3317699803766E+22
Surface area
9.949321726807E+15
Circumference
176795690.12037
Perimeter
112551632
Area
791741866616464
Diagonal
39793011.110406
Surface area
4750451199698784
Volume
2.2277959802602E+22
Space diagonal
48736286.274699
Perimeter
84413724
Area
3.4283428486478E+14
Altitude
24368143.137349
Surface area
3.4283428486478E+14
Volume
2.6254827412369E+21
Height
13264337.036802