21103486 is an even 8-digits composite number following 21103485
and preceding 21103487 . In scientific notation, it is written as 2.1103486 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10551742 positive integers (up to 21103486) that are relatively prime to 21103486.
21103486 has 4 divisors, whose sum is 31655232
The reverse of 21103486 is 68430112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred three thousand four hundred eighty-six
Scientific notation
2.1103486 × 10^7
Engineering notation
2.1103486 × 10^6
Prime Factorization
2 × 10551743
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21103486
Product of the distinct prime numbers
The prime factorization of 21103486 is 2 × 10551743.
Since it has a total of 2 prime factors.
5 , 7 , 90 , 7 , 246 , 339 , 6494 , 1007 , 66787 , 28641 , 461917 , 525286 , 2629184 , 199022 , 48637043 , 82781185 , 704222910 , 498019123 , 7987612903 , 6688985786
n×2
42206972
n×3
63310458
n×4
84413944
n×5
105517430
n÷2
10551743
n÷3
7034495.3333333
n÷3
5275871.5
n÷5
4220697.2
n2
445357121352196
n3
9.3985877754564E+21
n4
1.9834296553911E+29
n5
4.1857279964532E+36
2 √n
4593.853066871
3 √n
276.34486576245
4 √n
67.777968890127
5 √n
29.165594954816
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
-21103485
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 21103486 can be divided by 4 positive divisors.
The sum of these divisors (counting 21103486) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100000001101111110
3
Ternary
1110201011112121
4
Quaternary
1100200031332
5
Quinary
20400302421
6
Senary
2032153154
8
Octal
120401576
10
Decimal
21103486
12
Duodecimal
70987ba
16
Hexadecimal
142037e
20
Vigesimal
6bhie6
36
Base36
ckbjy
md5
85687034562f6103aff7ec9ba9d4a753
sha1
bea84a28d1dba2baa9c1d35d28c22da812a0aa99
sha256
0001d925abe0f94b474a81cd25a26494db26cdfa61a74696bb48efd8f629af32
sha512
8fcafe196adb036bb94b3c75e9bb74c7474515ba4a8d2a6124a3a23b252ec9c3d5bcfb188a693120cd6884b98f61da2a0e151ec79e680a7a9dd17719102d7a3b
ripemd-160
f437c5691f6431e43535f1960e7dd10ccd2c6408
Diameter
42206972
Circumference
132597113.16547
Area
1.399130660664E+15
Volume
3.9368712412657E+22
Surface area
5.5965226426558E+15
Circumference
132597113.16547
Perimeter
84413944
Area
445357121352196
Diagonal
29844836.114551
Surface area
2672142728113176
Volume
9.3985877754564E+21
Space diagonal
36552309.968818
Perimeter
63310458
Area
1.9284529042366E+14
Altitude
18276154.984409
Surface area
1.9284529042366E+14
Volume
1.1076341916004E+21
Height
9948278.7048502