28771237 is an odd 8-digits composite number following 28771236
and preceding 28771238 . In scientific notation, it is written as 2.8771237 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 25254720 positive integers (up to 28771237) that are relatively prime to 28771237.
28771237 has 16 divisors, whose sum is 32481792
The reverse of 28771237 is 73217782
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million seven hundred seventy-one thousand two hundred thirty-seven
Scientific notation
2.8771237 × 10^7
Engineering notation
2.8771237 × 10^6
Prime Factorization
37 × 317 × 11 × 223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28771237
Product of the distinct prime numbers
The prime factorization of 28771237 is 37 × 317 × 11 × 223.
Since it has a total of 4 prime factors.
1 , 2 , 44 , 4 , 651 , 508 , 7080 , 9739 , 45738 , 24187 , 202235 , 815259 , 6004742 , 6778723 , 77612019 , 8715300 , 52797621 , 533670426 , 655248079 , 3764346902
n×2
57542474
n×3
86313711
n×4
115084948
n×5
143856185
n÷2
14385618.5
n÷3
9590412.3333333
n÷3
7192809.25
n÷5
5754247.4
n2
827784078510169
n3
2.3816371907643E+22
n4
6.8522648063493E+29
n5
1.9714813473023E+37
2 √n
5363.8826422658
3 √n
306.4216956428
4 √n
73.23853249667
5 √n
31.030709592711
1 , 11 , 37 , 223 , 317 , 407 , 2453 , 3487 , 8251 , 11729 , 70691 , 90761 , 129019 , 777601 , 2615567 , 28771237
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28771236
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28771237 can be divided by 16 positive divisors.
The sum of these divisors (counting 28771237) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101110000001110100101
3
Ternary
2000010201201101
4
Quaternary
1231300032211
5
Quinary
24331134422
6
Senary
2504400101
8
Octal
155601645
10
Decimal
28771237
12
Duodecimal
9776031
16
Hexadecimal
1b703a5
20
Vigesimal
8jg81h
36
Base36
h4o11
md5
9574daa604b02fc0b2510376ef7fe5e2
sha1
071a58be5804199a85d4ba41d07c1603b3afe865
sha256
ac3a51092f8ad7eade0d889841f269a226c6d5bc906436f9eab1ab03e82023a9
sha512
4b90a4231e464c3f2bae3af9c11e61d07137862c4b7490b48c182aec5508c4fe2061b8680c580a618d23ecda77f6cd6a0b6094699aa5c2626194ad8c08947dc8
ripemd-160
9bf5f339ffbc10c9a105ccad3e8e3d98d346a191
Diameter
57542474
Circumference
180775013.58778
Area
2.6005603798061E+15
Volume
9.9761785360283E+22
Surface area
1.0402241519225E+16
Circumference
180775013.58778
Perimeter
115084948
Area
827784078510169
Diagonal
40688673.571651
Surface area
4966704471061014
Volume
2.3816371907643E+22
Space diagonal
49833244.280606
Perimeter
86313711
Area
3.5844102041905E+14
Altitude
24916622.140303
Surface area
3.5844102041905E+14
Volume
2.8067863465258E+21
Height
13562891.19055