21388319 is an odd 8-digits composite number following 21388318
and preceding 21388320 . In scientific notation, it is written as 2.1388319 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20262600 positive integers (up to 21388319) that are relatively prime to 21388319.
21388319 has 4 divisors, whose sum is 22514040
The reverse of 21388319 is 91388312
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million three hundred eighty-eight thousand three hundred nineteen
Scientific notation
2.1388319 × 10^7
Engineering notation
2.1388319 × 10^6
Prime Factorization
19 × 1125701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21388319
Product of the distinct prime numbers
The prime factorization of 21388319 is 19 × 1125701.
Since it has a total of 2 prime factors.
5 , 4 , 5 , 69 , 794 , 830 , 4285 , 3355 , 49615 , 26861 , 971811 , 460598 , 6884099 , 9489476 , 25030782 , 81561996 , 449621332 , 283736708 , 9831011418 , 305222173
n×2
42776638
n×3
64164957
n×4
85553276
n×5
106941595
n÷2
10694159.5
n÷3
7129439.6666667
n÷3
5347079.75
n÷5
4277663.8
n2
457460189645761
n3
9.784304465944E+21
n4
2.0926982511074E+29
n5
4.4759297765426E+36
2 √n
4624.7506959835
3 √n
277.58258613812
4 √n
68.005519599394
5 √n
29.243902721106
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
-21388318
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 21388319 can be divided by 4 positive divisors.
The sum of these divisors (counting 21388319) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100101110000011111
3
Ternary
1111020122020222
4
Quaternary
1101211300133
5
Quinary
20433411234
6
Senary
2042231555
8
Octal
121456037
10
Decimal
21388319
12
Duodecimal
71b55bb
16
Hexadecimal
1465c1f
20
Vigesimal
6ddafj
36
Base36
cqfbz
md5
1d288d9498b789beacd3c0b8f70f5b39
sha1
ca634f44ad5ec6c839e41353541cceede094d4fe
sha256
c6322e813066f68de5a254a2a2404b8d8f5d3b24021bee395b1180c4bba9dca1
sha512
11b671498f3c6506de72d987bc06f5b99276953f90fc53c8cf3678cc693f8e94071dd80a3b2cdca218ef9e94d614980e83c4167c286866ecc8507d8aa7673363
ripemd-160
48ae23abd703096556ae896da2606d7e80eac43e
Diameter
42776638
Circumference
134386771.68607
Area
1.4371535711009E+15
Volume
4.0984398707594E+22
Surface area
5.7486142844037E+15
Circumference
134386771.68607
Perimeter
85553276
Area
457460189645761
Diagonal
30247650.806162
Surface area
2744761137874566
Volume
9.784304465944E+21
Space diagonal
37045655.196491
Perimeter
64164957
Area
1.9808607272664E+14
Altitude
18522827.598245
Surface area
1.9808607272664E+14
Volume
1.1530913395105E+21
Height
10082550.268721