21553856 is an even 8-digits composite number following 21553855
and preceding 21553857 . In scientific notation, it is written as 2.1553856 × 10^7.
The sum of its digits is 35. It has a total of 8 prime factors and 28 positive divisors.
There are 10732032 positive integers (up to 21553856) that are relatively prime to 21553856.
21553856 has 28 divisors, whose sum is 42949368
The reverse of 21553856 is 65835512
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million five hundred fifty-three thousand eight hundred fifty-six
Scientific notation
2.1553856 × 10^7
Engineering notation
2.1553856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 307 × 1097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
673558
Product of the distinct prime numbers
The prime factorization of 21553856 is 2 × 2 × 2 × 2 × 2 × 2 × 307 × 1097.
Since it has a total of 8 prime factors.
10 , 6 , 18 , 28 , 873 , 717 , 4569 , 9896 , 16741 , 14479 , 825878 , 373346 , 1813106 , 3101419 , 72148660 , 51121736 , 629861540 , 334147396 , 1812245547 , 1861507753
n×2
43107712
n×3
64661568
n×4
86215424
n×5
107769280
n÷2
10776928
n÷3
7184618.6666667
n÷3
5388464
n÷5
4310771.2
n2
464568708468736
n3
1.0013247044441E+22
n4
2.1582408488831E+29
n5
4.6518412470144E+36
2 √n
4642.6130573202
3 √n
278.29687244753
4 √n
68.136723265213
5 √n
29.289030441033
1 , 2 , 4 , 8 , 16 , 32 , 64 , 307 , 614 , 1097 , 1228 , 2194 , 2456 , 4388 , 4912 , 8776 , 9824 , 17552 , 19648 , 35104 , 70208 , 336779 , 673558 , 1347116 , 2694232 , 5388464 , 10776928 , 21553856
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21553855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21553856 can be divided by 28 positive divisors.
The sum of these divisors (counting 21553856) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1010010001110001011000000
3
Ternary
1111120001022222
4
Quaternary
1102032023000
5
Quinary
21004210411
6
Senary
2045550212
8
Octal
122161300
10
Decimal
21553856
12
Duodecimal
7275368
16
Hexadecimal
148e2c0
20
Vigesimal
6ee4cg
36
Base36
ctz28
md5
9ef9c9f59d8decd754a0f4a67dcb6392
sha1
3de96209b1233a0158233315d0d96cf2136a53e3
sha256
691b5a7eb5334dd61ea958636372e670adc92942c03dd5c089767b06b5359848
sha512
aaac0eb87aa83231435bb8c6411dd3b70802e4d83f3123e318b83b21a4e21a8ab0dd8703c11b24ebb6ee878a291a631d9b207e65042e5d9ed4797251125829b7
ripemd-160
530d3bfe3d011ff72da1163cede0358e649bf755
Diameter
43107712
Circumference
135426871.33226
Area
1.4594856416131E+15
Volume
4.1943391137861E+22
Surface area
5.8379425664523E+15
Circumference
135426871.33226
Perimeter
86215424
Area
464568708468736
Diagonal
30481755.476637
Surface area
2787412250812416
Volume
1.0013247044441E+22
Space diagonal
37332373.691023
Perimeter
64661568
Area
2.0116415166863E+14
Altitude
18666186.845512
Surface area
2.0116415166863E+14
Volume
1.1800724811367E+21
Height
10160585.158879