28742019 is an odd 8-digits composite number following 28742018
and preceding 28742020 . In scientific notation, it is written as 2.8742019 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 17014272 positive integers (up to 28742019) that are relatively prime to 28742019.
28742019 has 32 divisors, whose sum is 42923520
The reverse of 28742019 is 91024782
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million seven hundred forty-two thousand nineteen
Scientific notation
2.8742019 × 10^7
Engineering notation
2.8742019 × 10^6
Prime Factorization
3 × 17 × 23 × 229 × 107
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28742019
Product of the distinct prime numbers
The prime factorization of 28742019 is 3 × 17 × 23 × 229 × 107.
Since it has a total of 5 prime factors.
3 , 6 , 41 , 79 , 161 , 69 , 7195 , 1256 , 52814 , 77466 , 153397 , 542380 , 2931150 , 8008158 , 21770280 , 16156684 , 150552056 , 57941649 , 5364141446 , 3622653517
n×2
57484038
n×3
86226057
n×4
114968076
n×5
143710095
n÷2
14371009.5
n÷3
9580673
n÷3
7185504.75
n÷5
5748403.8
n2
826103656196361
n3
2.3743886982365E+22
n4
6.82447250781E+29
n5
1.9614911848445E+37
2 √n
5361.1583636375
3 √n
306.31793389516
4 √n
73.219931464305
5 √n
31.024404519412
1 , 3 , 17 , 23 , 51 , 69 , 107 , 229 , 321 , 391 , 687 , 1173 , 1819 , 2461 , 3893 , 5267 , 5457 , 7383 , 11679 , 15801 , 24503 , 41837 , 73509 , 89539 , 125511 , 268617 , 416551 , 563569 , 1249653 , 1690707 , 9580673 , 28742019
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28742018
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28742019 can be divided by 32 positive divisors.
The sum of these divisors (counting 28742019) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101101001000110000011
3
Ternary
2000002020122020
4
Quaternary
1231221012003
5
Quinary
24324221034
6
Senary
2504012523
8
Octal
155510603
10
Decimal
28742019
12
Duodecimal
9761143
16
Hexadecimal
1b69183
20
Vigesimal
8jcf0j
36
Base36
h41hf
md5
bea115db1324d9a5fbde218af64c43cf
sha1
00e4c427a7d412154e13ef4dbf970385e1e40d75
sha256
170c49e4d118c64e7a1ce0c13de286e91809a3ca08655a089ca9533f58e6e679
sha512
c06e8d9b662bb315724803bb84d131571a104e5c258bdd90c7ed16443d3b846a2bdf057b1fea152426728c3e378e9d50905f6d6d848c3f210e3256b3df7996f7
ripemd-160
c111efacb621d834fbcfa2c4c20f7567c84d4ae4
Diameter
57484038
Circumference
180591431.47948
Area
2.5952811774102E+15
Volume
9.9458161215287E+22
Surface area
1.0381124709641E+16
Circumference
180591431.47948
Perimeter
114968076
Area
826103656196361
Diagonal
40647353.079785
Surface area
4956621937178166
Volume
2.3743886982365E+22
Space diagonal
49782637.22011
Perimeter
86226057
Area
3.5771337621263E+14
Altitude
24891318.610055
Surface area
3.5771337621263E+14
Volume
2.7982439161596E+21
Height
13549117.693262