21356566 is an even 8-digits composite number following 21356565
and preceding 21356567 . In scientific notation, it is written as 2.1356566 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 8320680 positive integers (up to 21356566) that are relatively prime to 21356566.
21356566 has 16 divisors, whose sum is 39939840
The reverse of 21356566 is 66565312
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million three hundred fifty-six thousand five hundred sixty-six
Scientific notation
2.1356566 × 10^7
Engineering notation
2.1356566 × 10^6
Prime Factorization
2 × 7 × 11 × 138679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21356566
Product of the distinct prime numbers
The prime factorization of 21356566 is 2 × 7 × 11 × 138679.
Since it has a total of 4 prime factors.
5 , 2 , 14 , 25 , 995 , 224 , 1839 , 7617 , 14205 , 31755 , 523694 , 421836 , 9814231 , 3536676 , 1322729 , 24933154 , 958232885 , 431565679 , 537814018 , 8896749684
n×2
42713132
n×3
64069698
n×4
85426264
n×5
106782830
n÷2
10678283
n÷3
7118855.3333333
n÷3
5339141.5
n÷5
4271313.2
n2
456102911312356
n3
9.7407919282345E+21
n4
2.0802986570761E+29
n5
4.4428035569556E+36
2 √n
4621.3164790999
3 √n
277.44515216088
4 √n
67.98026536503
5 √n
29.235214487477
1 , 2 , 7 , 11 , 14 , 22 , 77 , 154 , 138679 , 277358 , 970753 , 1525469 , 1941506 , 3050938 , 10678283 , 21356566
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356565
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356566 can be divided by 16 positive divisors.
The sum of these divisors (counting 21356566) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011110000000010110
3
Ternary
1111012000200221
4
Quaternary
1101132000112
5
Quinary
20431402231
6
Senary
2041424554
8
Octal
121360026
10
Decimal
21356566
12
Duodecimal
719b15a
16
Hexadecimal
145e016
20
Vigesimal
6d9b86
36
Base36
cpqty
md5
7a06f311e17aabcd20500ea334d65c6d
sha1
b0b17809763b30d7abf2ecc9ee348ae943e55a2a
sha256
e7eb517d8cb1b78144b2fa457031565d34e8883c535f6c7b4ac8fa7cb4ee0a74
sha512
a76fbfce655a71fefe5a60ec5d089f05248d4b74f19ca8b8556003649b3a5e045775aac53ace69de645206a88c9d340737f0ec6ab239f9119d519c73ae4189c8
ripemd-160
70ad585dd43e8f266f77030cb423c58bb1eb40e6
Diameter
42713132
Circumference
134187261.70301
Area
1.4328895554598E+15
Volume
4.0802133815851E+22
Surface area
5.7315582218393E+15
Circumference
134187261.70301
Perimeter
85426264
Area
456102911312356
Diagonal
30202745.282916
Surface area
2736617467874136
Volume
9.7407919282345E+21
Space diagonal
36990657.387198
Perimeter
64069698
Area
1.9749835396827E+14
Altitude
18495328.693599
Surface area
1.9749835396827E+14
Volume
1.1479633377636E+21
Height
10067581.760972