21103655 is an odd 8-digits composite number following 21103654
and preceding 21103656 . In scientific notation, it is written as 2.1103655 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 16882920 positive integers (up to 21103655) that are relatively prime to 21103655.
21103655 has 4 divisors, whose sum is 25324392
The reverse of 21103655 is 55630112
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred three thousand six hundred fifty-five
Scientific notation
2.1103655 × 10^7
Engineering notation
2.1103655 × 10^6
Prime Factorization
5 × 4220731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21103655
Product of the distinct prime numbers
The prime factorization of 21103655 is 5 × 4220731.
Since it has a total of 2 prime factors.
8 , 8 , 47 , 22 , 5 , 200 , 920 , 4470 , 77008 , 80367 , 782486 , 514023 , 8484414 , 628091 , 17479692 , 99039042 , 166724042 , 571989267 , 5227511656 , 5244419035
n×2
42207310
n×3
63310965
n×4
84414620
n×5
105518275
n÷2
10551827.5
n÷3
7034551.6666667
n÷3
5275913.75
n÷5
4220731
n2
445364254359025
n3
9.3988135733251E+21
n4
1.9834931906077E+29
n5
4.1858955989434E+36
2 √n
4593.8714609793
3 √n
276.34560343138
4 √n
67.77810458385
5 √n
29.165641667191
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
-21103654
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 21103655 can be divided by 4 positive divisors.
The sum of these divisors (counting 21103655) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100000010000100111
3
Ternary
1110201011202212
4
Quaternary
1100200100213
5
Quinary
20400304110
6
Senary
2032154035
8
Octal
120402047
10
Decimal
21103655
12
Duodecimal
709891b
16
Hexadecimal
1420427
20
Vigesimal
6bhj2f
36
Base36
ckbon
md5
39d25afe574e841a062a4c99518ff88c
sha1
95003d5a5d7b1696b3ce075cf3f4d26fd58c4b37
sha256
cdf37ca74ca58e8453f18b94319bd6ec3a8aca7f21e6c0699d67139b8748d152
sha512
7e1eadf7903546a2a66d1ba83c252095417800b2b868ee1f1dd404c82981f4dff50a44159d3e7547be34355dd6be1a2821b321e16457c12bff74b505b9a5e9fa
ripemd-160
f1fadb6d22963691b2a5fe248d2fe6803d929907
Diameter
42207310
Circumference
132598175.02379
Area
1.3991530696658E+15
Volume
3.9369658232558E+22
Surface area
5.5966122786632E+15
Circumference
132598175.02379
Perimeter
84414620
Area
445364254359025
Diagonal
29845075.116643
Surface area
2672185526154150
Volume
9.3988135733251E+21
Space diagonal
36552602.685405
Perimeter
63310965
Area
1.9284837910622E+14
Altitude
18276301.342702
Surface area
1.9284837910622E+14
Volume
1.1076608021344E+21
Height
9948358.3722143