28156790 is an even 8-digits composite number following 28156789
and preceding 28156791 . In scientific notation, it is written as 2.8156790 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 11235840 positive integers (up to 28156790) that are relatively prime to 28156790.
28156790 has 16 divisors, whose sum is 50803200
The reverse of 28156790 is 09765182
Previous prime number is 6271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred fifty-six thousand seven hundred ninety
Scientific notation
2.8156790 × 10^7
Engineering notation
2.8156790 × 10^6
Prime Factorization
2 × 5 × 6271 × 449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28156790
Product of the distinct prime numbers
The prime factorization of 28156790 is 2 × 5 × 6271 × 449.
Since it has a total of 4 prime factors.
7 , 7 , 86 , 41 , 943 , 574 , 6009 , 88 , 66020 , 16434 , 473153 , 459258 , 2390689 , 1907585 , 90719393 , 25649787 , 746947812 , 685234279 , 2441313133 , 6346787777
n×2
56313580
n×3
84470370
n×4
112627160
n×5
140783950
n÷2
14078395
n÷3
9385596.6666667
n÷3
7039197.5
n÷5
5631358
n2
792804823104100
n3
2.2322838915129E+22
n4
6.2853948753712E+29
n5
1.769765435729E+37
2 √n
5306.2972023813
3 √n
304.22463631046
4 √n
72.844335417254
5 √n
30.897022444951
1 , 2 , 5 , 10 , 449 , 898 , 2245 , 4490 , 6271 , 12542 , 31355 , 62710 , 2815679 , 5631358 , 14078395 , 28156790
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
-28156789
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 28156790 can be divided by 16 positive divisors.
The sum of these divisors (counting 28156790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011010001101110110
3
Ternary
1221222111212002
4
Quaternary
1223122031312
5
Quinary
24202004130
6
Senary
2443255302
8
Octal
153321566
10
Decimal
28156790
12
Duodecimal
951a532
16
Hexadecimal
1ada376
20
Vigesimal
8fjbja
36
Base36
grhx2
md5
21651c5e16e639bf4083b527fe17ee88
sha1
d408e08d632cc74cbf79780880ffd2240bdc67b0
sha256
994953fa56f8aefb90110e386651e58189830059132856a031a0bf14251c854d
sha512
63ae4eb3096b245bee0dbe02a5512eeb1b3562ad5798c9e02fd57c2189267abd8354186a7aaca3812cfd28d4653246621a7ecfbe6602000b10fd9a65aac498c2
ripemd-160
f943f8b7a9e985f2d40ed4923d95ed9cb0abbdaa
Diameter
56313580
Circumference
176914329.22534
Area
2.4906698079944E+15
Volume
9.3505688990718E+22
Surface area
9.9626792319776E+15
Circumference
176914329.22534
Perimeter
112627160
Area
792804823104100
Diagonal
39819714.290891
Surface area
4756828938624600
Volume
2.2322838915129E+22
Space diagonal
48768990.858047
Perimeter
84470370
Area
3.4329455852549E+14
Altitude
24384495.429024
Surface area
3.4329455852549E+14
Volume
2.6307717953705E+21
Height
13273238.096964