21363988 is an even 8-digits composite number following 21363987
and preceding 21363989 . In scientific notation, it is written as 2.1363988 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10671192 positive integers (up to 21363988) that are relatively prime to 21363988.
21363988 has 12 divisors, whose sum is 37424800
The reverse of 21363988 is 88936312
Previous prime number is 1303
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million three hundred sixty-three thousand nine hundred eighty-eight
Scientific notation
2.1363988 × 10^7
Engineering notation
2.1363988 × 10^6
Prime Factorization
2 × 2 × 1303 × 4099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10681994
Product of the distinct prime numbers
The prime factorization of 21363988 is 2 × 2 × 1303 × 4099.
Since it has a total of 4 prime factors.
10 , 6 , 87 , 38 , 868 , 156 , 9582 , 4972 , 21321 , 95479 , 508993 , 531951 , 2523720 , 6135572 , 90450592 , 6628350 , 491402386 , 216114703 , 4934299874 , 2793672733
n×2
42727976
n×3
64091964
n×4
85455952
n×5
106819940
n÷2
10681994
n÷3
7121329.3333333
n÷3
5340997
n÷5
4272797.6
n2
456419983264144
n3
9.7509510454154E+21
n4
2.0831920112284E+29
n5
4.450528912958E+36
2 √n
4622.1194272758
3 √n
277.47728840449
4 √n
67.986170853165
5 √n
29.237246214909
1 , 2 , 4 , 1303 , 2606 , 4099 , 5212 , 8198 , 16396 , 5340997 , 10681994 , 21363988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21363987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21363988 can be divided by 12 positive divisors.
The sum of these divisors (counting 21363988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001011111110100010100
3
Ternary
1111012101212211
4
Quaternary
1101133310110
5
Quinary
20432121423
6
Senary
2041523204
8
Octal
121376424
10
Decimal
21363988
12
Duodecimal
71a3504
16
Hexadecimal
145fd14
20
Vigesimal
6da9j8
36
Base36
cpwk4
md5
0d9e5ae59b02aabb1c04849b7017209b
sha1
00a4da7a7e7754bfbf87d3019d2334c09eeff610
sha256
7b3e7614623eb79c97fbe4c670f7eb1eb0df5d6ac00859cd455adb88c4689dfb
sha512
8a678687d3b244706b05ecfebea1b4914b1e4f31b771347cca2d71524f6e00e000efb921965b7711dd5f453ff7013cf5e2f84d80475edddc8499ea3764acc323
ripemd-160
1135b48dc69263fb4589eb92d9fac19cfa6817ca
Diameter
42727976
Circumference
134233895.50436
Area
1.4338856663742E+15
Volume
4.0844688226388E+22
Surface area
5.7355426654968E+15
Circumference
134233895.50436
Perimeter
85455952
Area
456419983264144
Diagonal
30213241.575976
Surface area
2738519899584864
Volume
9.7509510454154E+21
Space diagonal
37003512.668292
Perimeter
64091964
Area
1.9763565015081E+14
Altitude
18501756.334146
Surface area
1.9763565015081E+14
Volume
1.1491606012052E+21
Height
10071080.525325