28406918 is an even 8-digits composite number following 28406917
and preceding 28406919 . In scientific notation, it is written as 2.8406918 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 13873104 positive integers (up to 28406918) that are relatively prime to 28406918.
28406918 has 8 divisors, whose sum is 43601448
The reverse of 28406918 is 81960482
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million four hundred six thousand nine hundred eighteen
Scientific notation
2.8406918 × 10^7
Engineering notation
2.8406918 × 10^6
Prime Factorization
2 × 43 × 330313
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28406918
Product of the distinct prime numbers
The prime factorization of 28406918 is 2 × 43 × 330313.
Since it has a total of 3 prime factors.
4 , 8 , 45 , 97 , 716 , 153 , 6368 , 7089 , 3786 , 54018 , 775461 , 227879 , 5871824 , 3900868 , 40304612 , 83421287 , 844535849 , 716882114 , 7087779868 , 4819436980
n×2
56813836
n×3
85220754
n×4
113627672
n×5
142034590
n÷2
14203459
n÷3
9468972.6666667
n÷3
7101729.5
n÷5
5681383.6
n2
806952990258724
n3
2.2923047424134E+22
n4
6.511731284875E+29
n5
1.8497821664748E+37
2 √n
5329.8140680515
3 √n
305.1228314719
4 √n
73.005575595646
5 √n
30.951722535296
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
-28406917
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 28406918 can be divided by 8 positive divisors.
The sum of these divisors (counting 28406918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100010111010010000110
3
Ternary
1222110012222002
4
Quaternary
1230113102012
5
Quinary
24233010133
6
Senary
2452505302
8
Octal
154272206
10
Decimal
28406918
12
Duodecimal
961b232
16
Hexadecimal
1b17486
20
Vigesimal
8hah5i
36
Base36
gwux2
md5
621d6a778d43c49cb6198077f604d9ab
sha1
3cad1350edce313d43a8a3c2aa870f6134338387
sha256
5630dd9ef128986629e8906cad2e6eada3c354b3e9bffa465f4323b1e15c402e
sha512
35ce1aeb125cae35ed432587722814e332bf5b459ddb4430cc6217250dcaac662b46b84b265307d6041a4d7a468badc4bac227d7d4774f0ecdf19ad16936f11d
ripemd-160
48ce128f6218ae925f7a3124a481c2028f4fee6c
Diameter
56813836
Circumference
178485929.79986
Area
2.5351175859891E+15
Volume
9.6019836514068E+22
Surface area
1.0140470343956E+16
Circumference
178485929.79986
Perimeter
113627672
Area
806952990258724
Diagonal
40173448.70082
Surface area
4841717941552344
Volume
2.2923047424134E+22
Space diagonal
49202225.262443
Perimeter
85220754
Area
3.4942089461194E+14
Altitude
24601112.631221
Surface area
3.4942089461194E+14
Volume
2.701507046511E+21
Height
13391149.56694