28161856 is an even 8-digits composite number following 28161855
and preceding 28161857 . In scientific notation, it is written as 2.8161856 × 10^7.
The sum of its digits is 37. It has a total of 8 prime factors and 28 positive divisors.
There are 13969280 positive integers (up to 28161856) that are relatively prime to 28161856.
28161856 has 28 divisors, whose sum is 56327040
The reverse of 28161856 is 65816182
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred sixty-one thousand eight hundred fifty-six
Scientific notation
2.8161856 × 10^7
Engineering notation
2.8161856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 131 × 3359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
880058
Product of the distinct prime numbers
The prime factorization of 28161856 is 2 × 2 × 2 × 2 × 2 × 2 × 131 × 3359.
Since it has a total of 8 prime factors.
8 , 3 , 40 , 98 , 574 , 720 , 5789 , 6988 , 45278 , 87708 , 158591 , 906824 , 4442600 , 3073089 , 10904044 , 40786702 , 140770353 , 701050574 , 4660772686 , 8097731483
n×2
56323712
n×3
84485568
n×4
112647424
n×5
140809280
n÷2
14080928
n÷3
9387285.3333333
n÷3
7040464
n÷5
5632371.2
n2
793090133364736
n3
2.2334890130838E+22
n4
6.2899195964049E+29
n5
1.7713580992553E+37
2 √n
5306.7745382671
3 √n
304.24288069112
4 √n
72.847611754038
5 √n
30.89813417006
1 , 2 , 4 , 8 , 16 , 32 , 64 , 131 , 262 , 524 , 1048 , 2096 , 3359 , 4192 , 6718 , 8384 , 13436 , 26872 , 53744 , 107488 , 214976 , 440029 , 880058 , 1760116 , 3520232 , 7040464 , 14080928 , 28161856
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28161855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28161856 can be divided by 28 positive divisors.
The sum of these divisors (counting 28161856) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1101011011011011101000000
3
Ternary
1221222202210201
4
Quaternary
1223123131000
5
Quinary
24202134411
6
Senary
2443334544
8
Octal
153333500
10
Decimal
28161856
12
Duodecimal
9521454
16
Hexadecimal
1adb740
20
Vigesimal
8g04cg
36
Base36
grlts
md5
aafd35bcb2c7fe8c7be7e8770c398714
sha1
83e74992274b2ebc8a857e74d8c1760ea9e4f14a
sha256
599447916fb537c40a8d5065ee8f45cd16f8cc582ec432af16278911c1f1c035
sha512
2fc70db0899eda2935dd4cc74ee17eb7ac7f8cdec1d33a4c22988cc52e8b14af675e1bea5e1e14ee3a3b7b32b255fbd590ccd1f5508b6a3f848c1d469b413331
ripemd-160
41d3b076fdfc49c7a7a8518e3ef5f1bdd01be57e
Diameter
56323712
Circumference
176946159.84211
Area
2.4915661366132E+15
Volume
9.3556169005036E+22
Surface area
9.9662645464528E+15
Circumference
176946159.84211
Perimeter
112647424
Area
793090133364736
Diagonal
39826878.696798
Surface area
4758540800188416
Volume
2.2334890130838E+22
Space diagonal
48777765.427438
Perimeter
84485568
Area
3.4341810149232E+14
Altitude
24388882.713719
Surface area
3.4341810149232E+14
Volume
2.6321920447621E+21
Height
13275626.232266