28166691 is an odd 8-digits composite number following 28166690
and preceding 28166692 . In scientific notation, it is written as 2.8166691 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 15790944 positive integers (up to 28166691) that are relatively prime to 28166691.
28166691 has 16 divisors, whose sum is 43732224
The reverse of 28166691 is 19666182
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred sixty-six thousand six hundred ninety-one
Scientific notation
2.8166691 × 10^7
Engineering notation
2.8166691 × 10^6
Prime Factorization
3 × 7 × 53 × 25307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28166691
Product of the distinct prime numbers
The prime factorization of 28166691 is 3 × 7 × 53 × 25307.
Since it has a total of 4 prime factors.
2 , 5 , 96 , 76 , 392 , 187 , 5753 , 8190 , 70546 , 34992 , 390000 , 35512 , 1181699 , 1627592 , 94881538 , 15251447 , 873219993 , 372920791 , 3321963900 , 4170301752
n×2
56333382
n×3
84500073
n×4
112666764
n×5
140833455
n÷2
14083345.5
n÷3
9388897
n÷3
7041672.75
n÷5
5633338.2
n2
793362481889481
n3
2.2346395878374E+22
n4
6.2942402766984E+29
n5
1.7728792095352E+37
2 √n
5307.2300685009
3 √n
304.26029112212
4 √n
72.850738283842
5 √n
30.899195053407
1 , 3 , 7 , 21 , 53 , 159 , 371 , 1113 , 25307 , 75921 , 177149 , 531447 , 1341271 , 4023813 , 9388897 , 28166691
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
-28166690
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 28166691 can be divided by 16 positive divisors.
The sum of these divisors (counting 28166691) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011100101000100011
3
Ternary
1222000000102210
4
Quaternary
1223130220203
5
Quinary
24202313231
6
Senary
2443413203
8
Octal
153345043
10
Decimal
28166691
12
Duodecimal
9524203
16
Hexadecimal
1adca23
20
Vigesimal
8g0geb
36
Base36
grpk3
md5
705839e43e9ebb371d3e66d54647426b
sha1
a00e85a215eae309db859d1aa8fd7b8c374a29e8
sha256
4e4d340bd0a328ae9667c80f68a097bdbfcd366e5a5aeaf9dd373bed66f12ff9
sha512
8d4fd2e072917b11cca4319cae2a7671988eda6ad763dd46587e31f49177a877d9c8273d2af7f1738781a2ff1e5d5694ae791bd13a7d55297088544c8b559c89
ripemd-160
a5b373054a87e4db31d7e82f4349b7ff75b417f9
Diameter
56333382
Circumference
176976539.04307
Area
2.4924217447378E+15
Volume
9.3604364167612E+22
Surface area
9.969686978951E+15
Circumference
176976539.04307
Perimeter
112666764
Area
793362481889481
Diagonal
39833716.419372
Surface area
4760174891336886
Volume
2.2346395878374E+22
Space diagonal
48786139.893093
Perimeter
84500073
Area
3.4353603186288E+14
Altitude
24393069.946547
Surface area
3.4353603186288E+14
Volume
2.6335480101129E+21
Height
13277905.473124