28156742 is an even 8-digits composite number following 28156741
and preceding 28156743 . In scientific notation, it is written as 2.8156742 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 13624200 positive integers (up to 28156742) that are relatively prime to 28156742.
28156742 has 8 divisors, whose sum is 43597632
The reverse of 28156742 is 24765182
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million one hundred fifty-six thousand seven hundred forty-two
Scientific notation
2.8156742 × 10^7
Engineering notation
2.8156742 × 10^6
Prime Factorization
2 × 31 × 454141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28156742
Product of the distinct prime numbers
The prime factorization of 28156742 is 2 × 31 × 454141.
Since it has a total of 3 prime factors.
10 , 1 , 70 , 72 , 570 , 849 , 9082 , 1780 , 89250 , 78563 , 42596 , 641584 , 3293033 , 490338 , 26541335 , 8866079 , 144020497 , 516415135 , 6961866753 , 4099332219
n×2
56313484
n×3
84470226
n×4
112626968
n×5
140783710
n÷2
14078371
n÷3
9385580.6666667
n÷3
7039185.5
n÷5
5631348.4
n2
792802120054564
n3
2.2322724751429E+22
n4
6.2853520156301E+29
n5
1.7697503508328E+37
2 √n
5306.2926794514
3 √n
304.22446343575
4 √n
72.844304372075
5 √n
30.897011910667
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28156741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28156742 can be divided by 8 positive divisors.
The sum of these divisors (counting 28156742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011011010001101000110
3
Ternary
1221222111210022
4
Quaternary
1223122031012
5
Quinary
24202003432
6
Senary
2443255142
8
Octal
153321506
10
Decimal
28156742
12
Duodecimal
951a4b2
16
Hexadecimal
1ada346
20
Vigesimal
8fjbh2
36
Base36
grhvq
md5
a0f221c199c885066a511e15322a9f85
sha1
da5080f56a8f5cf1fdcc817c92a1dbc53d509dbe
sha256
bf9fe72cc2fa6062f9ee524f5e69b7c74c7ec951c770156cf094fc4c1441173f
sha512
df34b4c083199097c2e33d8e62fa96da20a69d472b65168959a672e166ed285577fac64fa4f912051c4ed0642aefb82170b997bc00b114fc5b0f671d580b33d4
ripemd-160
1fbc6c9ff1cf813dc86746566592f0f44b8f5e3a
Diameter
56313484
Circumference
176914027.63245
Area
2.4906613161138E+15
Volume
9.350521078293E+22
Surface area
9.9626452644553E+15
Circumference
176914027.63245
Perimeter
112626968
Area
792802120054564
Diagonal
39819646.40864
Surface area
4756812720327384
Volume
2.2322724751429E+22
Space diagonal
48768907.719609
Perimeter
84470226
Area
3.4329338807071E+14
Altitude
24384453.859804
Surface area
3.4329338807071E+14
Volume
2.6307583410494E+21
Height
13273215.469547