21388259 is an odd 8-digits composite number following 21388258
and preceding 21388260 . In scientific notation, it is written as 2.1388259 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 21180504 positive integers (up to 21388259) that are relatively prime to 21388259.
21388259 has 4 divisors, whose sum is 21596016
The reverse of 21388259 is 95288312
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million three hundred eighty-eight thousand two hundred fifty-nine
Scientific notation
2.1388259 × 10^7
Engineering notation
2.1388259 × 10^6
Prime Factorization
103 × 207653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21388259
Product of the distinct prime numbers
The prime factorization of 21388259 is 103 × 207653.
Since it has a total of 2 prime factors.
1 , 1 , 58 , 93 , 848 , 563 , 3245 , 2343 , 49654 , 76276 , 51334 , 740511 , 7481294 , 40303 , 23416467 , 63214219 , 843309454 , 522326239 , 9851219198 , 7613309071
n×2
42776518
n×3
64164777
n×4
85553036
n×5
106941295
n÷2
10694129.5
n÷3
7129419.6666667
n÷3
5347064.75
n÷5
4277651.8
n2
457457623051081
n3
9.7842221233409E+21
n4
2.0926747688754E+29
n5
4.4758669959473E+36
2 √n
4624.7442091428
3 √n
277.58232657322
4 √n
68.00547190589
5 √n
29.243886313681
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
-21388258
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 21388259 can be divided by 4 positive divisors.
The sum of these divisors (counting 21388259) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100101101111100011
3
Ternary
1111020122011202
4
Quaternary
1101211233203
5
Quinary
20433411014
6
Senary
2042231415
8
Octal
121455743
10
Decimal
21388259
12
Duodecimal
71b556b
16
Hexadecimal
1465be3
20
Vigesimal
6ddacj
36
Base36
cqfab
md5
3398c36a592027dd1acb3a9bd413c5d7
sha1
273bf1c93ee67e2815f39f086cdafe4430b12156
sha256
e3ccc9877fae7b4a63ad513716ff1a47da739806ad4c8532f8a501d48555fd61
sha512
a48f3c7bc20f58376256c48f49a8a0d2d1afbd21ef063e2c515b1d449165871a009aab48406b01e56fe1e81da869ebacdad5e23ebfc63da541f1885d8217c816
ripemd-160
89ad76252b366a4e5d1a6bb61b3d4eb0694736f7
Diameter
42776518
Circumference
134386394.69495
Area
1.4371455079059E+15
Volume
4.0984053791705E+22
Surface area
5.7485820316237E+15
Circumference
134386394.69495
Perimeter
85553036
Area
457457623051081
Diagonal
30247565.953348
Surface area
2744745738306486
Volume
9.7842221233409E+21
Space diagonal
37045551.273442
Perimeter
64164777
Area
1.9808496135854E+14
Altitude
18522775.636721
Surface area
1.9808496135854E+14
Volume
1.1530816353416E+21
Height
10082521.984449