28013894 is an even 8-digits composite number following 28013893
and preceding 28013895 . In scientific notation, it is written as 2.8013894 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 13555080 positive integers (up to 28013894) that are relatively prime to 28013894.
28013894 has 8 divisors, whose sum is 43376448
The reverse of 28013894 is 49831082
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million thirteen thousand eight hundred ninety-four
Scientific notation
2.8013894 × 10^7
Engineering notation
2.8013894 × 10^6
Prime Factorization
2 × 31 × 451837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28013894
Product of the distinct prime numbers
The prime factorization of 28013894 is 2 × 31 × 451837.
Since it has a total of 3 prime factors.
8 , 9 , 30 , 56 , 501 , 179 , 77 , 838 , 62224 , 11117 , 964623 , 830104 , 1709038 , 3153983 , 36482344 , 17523858 , 668124494 , 535654167 , 7381982879 , 7559231687
n×2
56027788
n×3
84041682
n×4
112055576
n×5
140069470
n÷2
14006947
n÷3
9337964.6666667
n÷3
7003473.5
n÷5
5602778.8
n2
784778257043236
n3
2.1984694906314E+22
n4
6.1587691272782E+29
n5
1.7253110550204E+37
2 √n
5292.8153189017
3 √n
303.70911550972
4 √n
72.751737566203
5 √n
30.865598046789
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28013893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28013894 can be divided by 8 positive divisors.
The sum of these divisors (counting 28013894) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110111010101000110
3
Ternary
1221201020211122
4
Quaternary
1222313111012
5
Quinary
24132421034
6
Senary
2440233542
8
Octal
152672506
10
Decimal
28013894
12
Duodecimal
946b8b2
16
Hexadecimal
1ab7546
20
Vigesimal
8f1eee
36
Base36
gofnq
md5
456e3da7a36e3a8dc6007ec08abd0d0f
sha1
0ba0f187646bd10108f53c363c2670bf8a1ffe6a
sha256
12980ad1d136c8d6875bfd5d0fda7c36be423eea8ec901914de4682d404039e4
sha512
de986b85f04925da29ba0e484db863b3dd7cfeb7d38a39b378394eaa34851bf7aaba938407d712bbded982442bc9c33fc1040d2b9581de46f09f1e269be2f023
ripemd-160
eb41724c91cb240f5a604fd17d72697fc2f6ccb1
Diameter
56027788
Circumference
176016487.17769
Area
2.465453607024E+15
Volume
9.2089274678785E+22
Surface area
9.8618144280961E+15
Circumference
176016487.17769
Perimeter
112055576
Area
784778257043236
Diagonal
39617628.829682
Surface area
4708669542259416
Volume
2.1984694906314E+22
Space diagonal
48521487.725849
Perimeter
84041682
Area
3.3981895346856E+14
Altitude
24260743.862924
Surface area
3.3981895346856E+14
Volume
2.590921141762E+21
Height
13205876.276561