28697405 is an odd 8-digits composite number following 28697404
and preceding 28697406 . In scientific notation, it is written as 2.8697405 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 20791680 positive integers (up to 28697405) that are relatively prime to 28697405.
28697405 has 16 divisors, whose sum is 37710144
The reverse of 28697405 is 50479682
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million six hundred ninety-seven thousand four hundred five
Scientific notation
2.8697405 × 10^7
Engineering notation
2.8697405 × 10^6
Prime Factorization
5 × 11 × 313 × 1667
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28697405
Product of the distinct prime numbers
The prime factorization of 28697405 is 5 × 11 × 313 × 1667.
Since it has a total of 4 prime factors.
4 , 3 , 1 , 64 , 436 , 842 , 186 , 7221 , 48130 , 44942 , 188082 , 274482 , 4116403 , 2046678 , 40917066 , 72578712 , 810738542 , 556759782 , 6301159117 , 4005386603
n×2
57394810
n×3
86092215
n×4
114789620
n×5
143487025
n÷2
14348702.5
n÷3
9565801.6666667
n÷3
7174351.25
n÷5
5739481
n2
823541053734025
n3
2.3633491153132E+22
n4
6.7821986718535E+29
n5
1.9463150207664E+37
2 √n
5356.9958932222
3 √n
306.15936065399
4 √n
73.191501509549
5 √n
31.014767179941
1 , 5 , 11 , 55 , 313 , 1565 , 1667 , 3443 , 8335 , 17215 , 18337 , 91685 , 521771 , 2608855 , 5739481 , 28697405
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
-28697404
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 28697405 can be divided by 16 positive divisors.
The sum of these divisors (counting 28697405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011110001100111101
3
Ternary
1222222222102212
4
Quaternary
1231132030331
5
Quinary
24321304110
6
Senary
2503030205
8
Octal
155361475
10
Decimal
28697405
12
Duodecimal
973b365
16
Hexadecimal
1b5e33d
20
Vigesimal
8j73a5
36
Base36
h3325
md5
73204e85c58e1068ceecd634cc000545
sha1
9aa02e637809aae52a8fc109e981011b0ac0b3aa
sha256
e516785c2af8f92eee80df815e8aaa77867aee4742a86fa80702b253543b670e
sha512
dabc6431f1aacfb5e91aee83e227620e6a6a8f3ed5f4aa1e0eed2fffd6c69ea25734007c5435a686f41c2d476c324208f5f5835167e029f940715197ab09b2cf
ripemd-160
21f8b8566674116e8282791bf2aa0aeb504dab15
Diameter
57394810
Circumference
180311113.45018
Area
2.5872305243404E+15
Volume
9.8995736247145E+22
Surface area
1.0348922097362E+16
Circumference
180311113.45018
Perimeter
114789620
Area
823541053734025
Diagonal
40584259.355913
Surface area
4941246322404150
Volume
2.3633491153132E+22
Space diagonal
49705363.505381
Perimeter
86092215
Area
3.5660373679654E+14
Altitude
24852681.752691
Surface area
3.5660373679654E+14
Volume
2.7852336429153E+21
Height
13528086.451971