28169812 is an even 8-digits composite number following 28169811
and preceding 28169813 . In scientific notation, it is written as 2.8169812 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 12804440 positive integers (up to 28169812) that are relatively prime to 28169812.
28169812 has 12 divisors, whose sum is 53778816
The reverse of 28169812 is 21896182
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred sixty-nine thousand eight hundred twelve
Scientific notation
2.8169812 × 10^7
Engineering notation
2.8169812 × 10^6
Prime Factorization
2 × 2 × 11 × 640223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14084906
Product of the distinct prime numbers
The prime factorization of 28169812 is 2 × 2 × 11 × 640223.
Since it has a total of 4 prime factors.
5 , 1 , 88 , 33 , 302 , 63 , 6999 , 4314 , 55320 , 14472 , 278489 , 90496 , 7938518 , 2536792 , 95258431 , 76977386 , 866211573 , 537249440 , 2258421397 , 6453141691
n×2
56339624
n×3
84509436
n×4
112679248
n×5
140849060
n÷2
14084906
n÷3
9389937.3333333
n÷3
7042453
n÷5
5633962.4
n2
793538308115344
n3
2.2353824954407E+22
n4
6.2970304644656E+29
n5
1.7738616434227E+37
2 √n
5307.5240932096
3 √n
304.27152852422
4 √n
72.852756249915
5 √n
30.899879777884
1 , 2 , 4 , 11 , 22 , 44 , 640223 , 1280446 , 2560892 , 7042453 , 14084906 , 28169812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28169811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28169812 can be divided by 12 positive divisors.
The sum of these divisors (counting 28169812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011101011001010100
3
Ternary
1222000011201101
4
Quaternary
1223131121110
5
Quinary
24202413222
6
Senary
2443435444
8
Octal
153353124
10
Decimal
28169812
12
Duodecimal
9525b84
16
Hexadecimal
1add654
20
Vigesimal
8g14ac
36
Base36
grrys
md5
a45b7a32ef6a72fa565e9924e6b5cc2f
sha1
2ec7e676a508a6e8ad29dc990c71ce13746b74c2
sha256
63cfa649701ef2b3281f93d367ef88b2fb2c11849d18fdd8277e4ff303f6cfc9
sha512
cb1d162e9e21ad65298c3560678d744ef77bd116b179cdb557db093b614690f71a914aad5d0189e1261d171eaee19280f843df318baa81ab13d19a1a66af4c05
ripemd-160
045201ae72ad0cd8117c09e23e2155eceb1db777
Diameter
56339624
Circumference
176996148.86441
Area
2.4929741191172E+15
Volume
9.3635483008531E+22
Surface area
9.971896476469E+15
Circumference
176996148.86441
Perimeter
112679248
Area
793538308115344
Diagonal
39838130.1799
Surface area
4761229848692064
Volume
2.2353824954407E+22
Space diagonal
48791545.623663
Perimeter
84509436
Area
3.4361216685201E+14
Altitude
24395772.811832
Surface area
3.4361216685201E+14
Volume
2.6344235351197E+21
Height
13279376.726633