28006919 is an odd 8-digits composite number following 28006918
and preceding 28006920 . In scientific notation, it is written as 2.8006919 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 27103440 positive integers (up to 28006919) that are relatively prime to 28006919.
28006919 has 4 divisors, whose sum is 28910400
The reverse of 28006919 is 91960082
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million six thousand nine hundred nineteen
Scientific notation
2.8006919 × 10^7
Engineering notation
2.8006919 × 10^6
Prime Factorization
31 × 903449
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28006919
Product of the distinct prime numbers
The prime factorization of 28006919 is 31 × 903449.
Since it has a total of 2 prime factors.
2 , 6 , 32 , 53 , 800 , 867 , 1714 , 3880 , 95296 , 59417 , 818892 , 259459 , 6259156 , 2708376 , 51319457 , 10850643 , 906395189 , 882503364 , 4409342591 , 2825093077
n×2
56013838
n×3
84020757
n×4
112027676
n×5
140034595
n÷2
14003459.5
n÷3
9335639.6666667
n÷3
7001729.75
n÷5
5601383.8
n2
784387511872561
n3
2.1968277509626E+22
n4
6.1526376878163E+29
n5
1.7231642535902E+37
2 √n
5292.1563657927
3 √n
303.68390722179
4 √n
72.747208646055
5 √n
30.864060888186
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28006918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28006919 can be divided by 4 positive divisors.
The sum of these divisors (counting 28006919) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110101101000000111
3
Ternary
1221200220021022
4
Quaternary
1222311220013
5
Quinary
24132210134
6
Senary
2440141355
8
Octal
152655007
10
Decimal
28006919
12
Duodecimal
946785b
16
Hexadecimal
1ab5a07
20
Vigesimal
8f0h5j
36
Base36
goa9z
md5
d8c6187fd8662c319b2bd9dbfc8ba14e
sha1
ff82d4b8864e0491397e20bf3650f19190e09dac
sha256
db935804027e82f61ba3a925a0c48c10e0c8994ff24123a3dc814b3a22596d5e
sha512
a2d5a02c5cbd57306c151cb97b6dce054ddfa3a7819e8a2913252ee93b25e065a72ffb3e3a0afdc672b15f3b2d8fbe20bd8b2e14285f0b050944558f21a40703
ripemd-160
3ffc91483d0059cb384db4117a56db3c50fe9d59
Diameter
56013838
Circumference
175972661.96017
Area
2.4642260448664E+15
Volume
9.2020505648352E+22
Surface area
9.8569041794657E+15
Circumference
175972661.96017
Perimeter
112027676
Area
784387511872561
Diagonal
39607764.690085
Surface area
4706325071235366
Volume
2.1968277509626E+22
Space diagonal
48509406.671466
Perimeter
84020757
Area
3.3964975584645E+14
Altitude
24254703.335733
Surface area
3.3964975584645E+14
Volume
2.5889863330075E+21
Height
13202588.230028