28390019 is an odd 8-digits composite number following 28390018
and preceding 28390020 . In scientific notation, it is written as 2.8390019 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 23611392 positive integers (up to 28390019) that are relatively prime to 28390019.
28390019 has 16 divisors, whose sum is 33420288
The reverse of 28390019 is 91009382
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million three hundred ninety thousand nineteen
Scientific notation
2.8390019 × 10^7
Engineering notation
2.8390019 × 10^6
Prime Factorization
7 × 43 × 367 × 257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28390019
Product of the distinct prime numbers
The prime factorization of 28390019 is 7 × 43 × 367 × 257.
Since it has a total of 4 prime factors.
6 , 7 , 54 , 3 , 879 , 630 , 825 , 6309 , 45673 , 32864 , 493097 , 603769 , 3953124 , 2041484 , 91114144 , 50197184 , 643100680 , 670746195 , 141472051 , 4965857720
n×2
56780038
n×3
85170057
n×4
113560076
n×5
141950095
n÷2
14195009.5
n÷3
9463339.6666667
n÷3
7097504.75
n÷5
5678003.8
n2
805993178820361
n3
2.288216166058E+22
n4
6.4962500430495E+29
n5
1.8442866215093E+37
2 √n
5328.2285048598
3 √n
305.06231459899
4 √n
72.994715595444
5 √n
30.948039082785
1 , 7 , 43 , 257 , 301 , 367 , 1799 , 2569 , 11051 , 15781 , 77357 , 94319 , 110467 , 660233 , 4055717 , 28390019
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
-28390018
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 28390019 can be divided by 16 positive divisors.
The sum of these divisors (counting 28390019) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010011001010000011
3
Ternary
1222102100210012
4
Quaternary
1230103022003
5
Quinary
24231440034
6
Senary
2452255135
8
Octal
154231203
10
Decimal
28390019
12
Duodecimal
96114ab
16
Hexadecimal
1b13283
20
Vigesimal
8h8f0j
36
Base36
gwhvn
md5
8c41626d5e4621e366b34e8464418dad
sha1
065b9ada9e5cf39f3cbea8198fb3662a77dd2b53
sha256
d6192f97bcf45b106176abcc492146981f085e2da6b4abe20a563871984b6424
sha512
ff8459dab5c08896df1cb460cdf1c7460c31fb3847d57ff85cca5dd68c7ac19ae747c888be4a7fc6709f5feeb0eabb765e91f11aae504272eff689eb3797de6b
ripemd-160
5fcf69a1385ebb64b5e949a78e6881f2aa035d1b
Diameter
56780038
Circumference
178379750.25135
Area
2.5321022494255E+15
Volume
9.5848574628178E+22
Surface area
1.0128408997702E+16
Circumference
178379750.25135
Perimeter
113560076
Area
805993178820361
Diagonal
40149549.90583
Surface area
4835959072922166
Volume
2.288216166058E+22
Space diagonal
49172955.335846
Perimeter
85170057
Area
3.490052840677E+14
Altitude
24586477.667923
Surface area
3.490052840677E+14
Volume
2.6966886130672E+21
Height
13383183.301943