21356836 is an even 8-digits composite number following 21356835
and preceding 21356837 . In scientific notation, it is written as 2.1356836 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 10044000 positive integers (up to 21356836) that are relatively prime to 21356836.
21356836 has 24 divisors, whose sum is 39623360
The reverse of 21356836 is 63865312
Previous prime number is 151
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 eight hundred thirty-six
Scientific notation
2.1356836 × 10^7
Engineering notation
2.1356836 × 10^6
Prime Factorization
2 × 2 × 19 × 151 × 1861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10678418
Product of the distinct prime numbers
The prime factorization of 21356836 is 2 × 2 × 19 × 151 × 1861.
Since it has a total of 5 prime factors.
2 , 7 , 98 , 38 , 582 , 547 , 2786 , 2701 , 17866 , 96016 , 581608 , 2809 , 8606846 , 5078016 , 90691169 , 25227260 , 859433841 , 495895787 , 333096912 , 2006934314
n×2
42713672
n×3
64070508
n×4
85427344
n×5
106784180
n÷2
10678418
n÷3
7118945.3333333
n÷3
5339209
n÷5
4271367.2
n2
456114443930896
n3
9.7411613762633E+21
n4
2.0804038596239E+29
n5
4.4430844043755E+36
2 √n
4621.3456914626
3 √n
277.4463213544
4 √n
67.98048022383
5 √n
29.235288408237
1 , 2 , 4 , 19 , 38 , 76 , 151 , 302 , 604 , 1861 , 2869 , 3722 , 5738 , 7444 , 11476 , 35359 , 70718 , 141436 , 281011 , 562022 , 1124044 , 5339209 , 10678418 , 21356836
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356835
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356836 can be divided by 24 positive divisors.
The sum of these divisors (counting 21356836) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001011110000100100100
3
Ternary
1111012001001221
4
Quaternary
1101132010210
5
Quinary
20431404321
6
Senary
2041430124
8
Octal
121360444
10
Decimal
21356836
12
Duodecimal
719b344
16
Hexadecimal
145e124
20
Vigesimal
6d9c1g
36
Base36
cpr1g
md5
138c951e950166cf8f198a06cb6aec3d
sha1
b6d2e82a97e861424eee65095fe93b14403ded19
sha256
2cee91b8aa4117353ac9fd40a827c85f4bcb11f394d8c09d5bc299a0f937ee94
sha512
ba08424372ab41c663eb93b8b618401501ccaf00bf47ea19e0bbd9ab81e0bf36fa2a55f93cce6a8d0c67630f2ebccb0170667a660075a0052d0599ee8949bb43
ripemd-160
586684d6eb84ff61bc934d9c834e09401a769bab
Diameter
42713672
Circumference
134188958.16304
Area
1.4329257862495E+15
Volume
4.0803681356135E+22
Surface area
5.731703144998E+15
Circumference
134188958.16304
Perimeter
85427344
Area
456114443930896
Diagonal
30203127.120578
Surface area
2736686663585376
Volume
9.7411613762633E+21
Space diagonal
36991125.040916
Perimeter
64070508
Area
1.9750334773858E+14
Altitude
18495562.520458
Surface area
1.9750334773858E+14
Volume
1.1480068776314E+21
Height
10067709.040193