21385514 is an even 8-digits composite number following 21385513
and preceding 21385515 . In scientific notation, it is written as 2.1385514 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10692756 positive integers (up to 21385514) that are relatively prime to 21385514.
21385514 has 4 divisors, whose sum is 32078274
The reverse of 21385514 is 41558312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million three hundred eighty-five thousand five hundred fourteen
Scientific notation
2.1385514 × 10^7
Engineering notation
2.1385514 × 10^6
Prime Factorization
2 × 10692757
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21385514
Product of the distinct prime numbers
The prime factorization of 21385514 is 2 × 10692757.
Since it has a total of 2 prime factors.
2 , 2 , 68 , 86 , 427 , 879 , 9529 , 8724 , 11157 , 99791 , 116791 , 794805 , 8182032 , 2746453 , 8701736 , 53943284 , 271185715 , 381959233 , 6825537520 , 8323342845
n×2
42771028
n×3
64156542
n×4
85542056
n×5
106927570
n÷2
10692757
n÷3
7128504.6666667
n÷3
5346378.5
n÷5
4277102.8
n2
457340209044196
n3
9.7804554432776E+21
n4
2.0916006680859E+29
n5
4.472995536976E+36
2 √n
4624.44742645
3 √n
277.57045095981
4 √n
68.003289820787
5 √n
29.243135634636
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21385513
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21385514 can be divided by 4 positive divisors.
The sum of these divisors (counting 21385514) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100101000100101010
3
Ternary
1111020111102002
4
Quaternary
1101211010222
5
Quinary
20433314024
6
Senary
2042211002
8
Octal
121450452
10
Decimal
21385514
12
Duodecimal
71b3a62
16
Hexadecimal
146512a
20
Vigesimal
6dd3fe
36
Base36
cqd62
md5
607bdd0503d28bf3ec81631cd6f628fb
sha1
3576554df76a245c94bf03dfc8e8e85aafc02597
sha256
b2970f4c85cf6fa566130c3b5e67c3a28179df94c93bf52af5f4a1ad41ebb6eb
sha512
750c8013a0d82354ff24a121d46f377dce4fa4fe0f630debfd51b4e6f45e5b9b14e668cf998375c6e21462727ca97b4a17bd5c1342bc68fd32a43abc3e8c5702
ripemd-160
c9351d10857849ecdf9b1b764b01c3bbdd940afc
Diameter
42771028
Circumference
134369147.35128
Area
1.4367766409245E+15
Volume
4.0968275959151E+22
Surface area
5.7471065636979E+15
Circumference
134369147.35128
Perimeter
85542056
Area
457340209044196
Diagonal
30243683.93712
Surface area
2744041254265176
Volume
9.7804554432776E+21
Space diagonal
37040796.793976
Perimeter
64156542
Area
1.9803411960218E+14
Altitude
18520398.396988
Surface area
1.9803411960218E+14
Volume
1.1526377278391E+21
Height
10081227.97904