28421874 is an even 8-digits composite number following 28421873
and preceding 28421875 . In scientific notation, it is written as 2.8421874 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 8744976 positive integers (up to 28421874) that are relatively prime to 28421874.
28421874 has 16 divisors, whose sum is 57331008
The reverse of 28421874 is 47812482
Previous prime number is 117
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million four hundred twenty-one thousand eight hundred seventy-four
Scientific notation
2.8421874 × 10^7
Engineering notation
2.8421874 × 10^6
Prime Factorization
2 × 3 × 117 × 40487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28421874
Product of the distinct prime numbers
The prime factorization of 28421874 is 2 × 3 × 117 × 40487.
Since it has a total of 4 prime factors.
3 , 3 , 22 , 51 , 398 , 539 , 5525 , 2748 , 45493 , 8544 , 176834 , 971166 , 3264071 , 5814237 , 25531253 , 3322335 , 171936720 , 307747597 , 4477076270 , 3842191968
n×2
56843748
n×3
85265622
n×4
113687496
n×5
142109370
n÷2
14210937
n÷3
9473958
n÷3
7105468.5
n÷5
5684374.8
n2
807802921671876
n3
2.295927285659E+22
n4
6.5254556026162E+29
n5
1.8546567693015E+37
2 √n
5331.2169342468
3 √n
305.17637026639
4 √n
73.015182902235
5 √n
30.95498101272
1 , 2 , 3 , 6 , 117 , 234 , 351 , 702 , 40487 , 80974 , 121461 , 242922 , 4736979 , 9473958 , 14210937 , 28421874
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
-28421873
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 28421874 can be divided by 16 positive divisors.
The sum of these divisors (counting 28421874) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011010111011110010
3
Ternary
1222110222111000
4
Quaternary
1230122323302
5
Quinary
24233444444
6
Senary
2453102430
8
Octal
154327362
10
Decimal
28421874
12
Duodecimal
9627a16
16
Hexadecimal
1b1aef2
20
Vigesimal
8hcede
36
Base36
gx6gi
md5
432605b7d926a887b515fe6ae08cd024
sha1
59c8149e4135ae9e9fc2de9cc00d785a2891694f
sha256
efa613e5aea98a406c083c2cedba833ba8ec8eed74aa0b64a9fdde1d87d48474
sha512
bb4358d7f2ddb9e3a1bbf2c0e30a0c06892e74d151899bc69ba502a451b708aba5a0ae87da4dd6bd98e2cfbbff469c1d0d782ccca2285aa3b7c625ebc781ebed
ripemd-160
74ea6e9e2e3b2adc63707750aba549d99696a988
Diameter
56843748
Circumference
178579901.11931
Area
2.5377877242727E+15
Volume
9.6171577250702E+22
Surface area
1.0151150897091E+16
Circumference
178579901.11931
Perimeter
113687496
Area
807802921671876
Diagonal
40194599.678859
Surface area
4846817530031256
Volume
2.295927285659E+22
Space diagonal
49228129.814321
Perimeter
85265622
Area
3.4978892570957E+14
Altitude
24614064.90716
Surface area
3.4978892570957E+14
Volume
2.7057762546678E+21
Height
13398199.892953