28011109 is an odd 8-digits composite number following 28011108
and preceding 28011110 . In scientific notation, it is written as 2.8011109 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors.
There are 23064912 positive integers (up to 28011109) that are relatively prime to 28011109.
28011109 has 16 divisors, whose sum is 33318400
The reverse of 28011109 is 90111082
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-eight million eleven thousand one hundred nine
Scientific notation
2.8011109 × 10^7
Engineering notation
2.8011109 × 10^6
Prime Factorization
37 × 7 × 37 × 37 × 79
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20461
Product of the distinct prime numbers
The prime factorization of 28011109 is 37 × 7 × 37 × 37 × 79.
Since it has a total of 5 prime factors.
3 , 8 , 47 , 4 , 832 , 587 , 4998 , 1528 , 30994 , 40525 , 229417 , 149696 , 4243845 , 6467944 , 57212380 , 60650290 , 813860536 , 178258159 , 537842604 , 7832010615
n×2
56022218
n×3
84033327
n×4
112044436
n×5
140055545
n÷2
14005554.5
n÷3
9337036.3333333
n÷3
7002777.25
n÷5
5602221.8
n2
784622227409881
n3
2.1978138735801E+22
n4
6.1563203974564E+29
n5
1.7244536169208E+37
2 √n
5292.5522198652
3 √n
303.69905076688
4 √n
72.749929346118
5 √n
30.864984321977
1 , 7 , 37 , 79 , 259 , 553 , 1369 , 2923 , 9583 , 20461 , 50653 , 108151 , 354571 , 757057 , 4001587 , 28011109
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
-28011108
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 28011109 can be divided by 16 positive divisors.
The sum of these divisors (counting 28011109) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110110101001100101
3
Ternary
1221201010000111
4
Quaternary
1222312221211
5
Quinary
24132323414
6
Senary
2440213021
8
Octal
152665145
10
Decimal
28011109
12
Duodecimal
946a171
16
Hexadecimal
1ab6a65
20
Vigesimal
8f17f9
36
Base36
godid
md5
960aef2bf1ffb0d136b42dcd8907a02d
sha1
3fc657aa56392b6e330842f94de44eea60d86e4d
sha256
5d1102e31c2591522922be5cc6b8ea9c3e5a61c097fae2a43c18434d04944c44
sha512
7c837323ea5688bfd86e0d8b1e2f4ef630f65a73b1c80df9d6d3a98bb78e90df0c869f9034113fe5cab63def3ce46b301d48f874782aef2b5b1369c39be38a0c
ripemd-160
2ec3d4a4348c5be833ec8df7c02b2f6d748a802a
Diameter
56022218
Circumference
175998988.50661
Area
2.4649634254741E+15
Volume
9.2061812255959E+22
Surface area
9.8598537018966E+15
Circumference
175998988.50661
Perimeter
112044436
Area
784622227409881
Diagonal
39613690.244911
Surface area
4707733364459286
Volume
2.1978138735801E+22
Space diagonal
48516663.96435
Perimeter
84033327
Area
3.3975139065544E+14
Altitude
24258331.982175
Surface area
3.3975139065544E+14
Volume
2.5901484896573E+21
Height
13204563.41497