21361856 is an even 8-digits composite number following 21361855
and preceding 21361857 . In scientific notation, it is written as 2.1361856 × 10^7.
The sum of its digits is 32. It has a total of 7 prime factors and 14 positive divisors.
There are 10680896 positive integers (up to 21361856) that are relatively prime to 21361856.
21361856 has 14 divisors, whose sum is 42390060
The reverse of 21361856 is 65816312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million three hundred sixty-one thousand eight hundred fifty-six
Scientific notation
2.1361856 × 10^7
Engineering notation
2.1361856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 333779
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
667558
Product of the distinct prime numbers
The prime factorization of 21361856 is 2 × 2 × 2 × 2 × 2 × 2 × 333779.
Since it has a total of 7 prime factors.
4 , 5 , 76 , 45 , 551 , 993 , 8107 , 1505 , 93578 , 76741 , 470448 , 158362 , 8146165 , 6998210 , 7190492 , 9122284 , 300511620 , 428602199 , 4094066799 , 7075949027
n×2
42723712
n×3
64085568
n×4
85447424
n×5
106809280
n÷2
10680928
n÷3
7120618.6666667
n÷3
5340464
n÷5
4272371.2
n2
456328891764736
n3
9.7480320745179E+21
n4
2.0823605745923E+29
n5
4.4483086734518E+36
2 √n
4621.8887913925
3 √n
277.46805789848
4 √n
67.984474634968
5 √n
29.236662650668
1 , 2 , 4 , 8 , 16 , 32 , 64 , 333779 , 667558 , 1335116 , 2670232 , 5340464 , 10680928 , 21361856
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21361855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21361856 can be divided by 14 positive divisors.
The sum of these divisors (counting 21361856) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1010001011111010011000000
3
Ternary
1111012021221212
4
Quaternary
1101133103000
5
Quinary
20432034411
6
Senary
2041505252
8
Octal
121372300
10
Decimal
21361856
12
Duodecimal
71a2228
16
Hexadecimal
145f4c0
20
Vigesimal
6da4cg
36
Base36
cpuww
md5
92b0b91b36f7df8349715239af63d5c8
sha1
2d58dfde8e45b18e94a1f20129d6576d3d100a06
sha256
0f8e1f2c49151a5039e18516f009b5f9058bcbd0f8c398e8163d7f0b5e8f9243
sha512
ff393ea8413720b0fcb1305e190b2b63666c18c729f5cc1a76bf01c2179896b04f85a3056acd15800979e9099879f1151a1bf99cafc6911462c8b496a8c4639b
ripemd-160
d5aaad079739047b4f9484e493e213f1d5159048
Diameter
42723712
Circumference
134220499.75329
Area
1.4335994939889E+15
Volume
4.0832461269684E+22
Surface area
5.7343979759555E+15
Circumference
134220499.75329
Perimeter
85447424
Area
456328891764736
Diagonal
30210226.472661
Surface area
2737973350588416
Volume
9.7480320745179E+21
Space diagonal
36999819.93597
Perimeter
64085568
Area
1.9759620637453E+14
Altitude
18499909.967985
Surface area
1.9759620637453E+14
Volume
1.1488165971859E+21
Height
10070075.490887