21553893 is an odd 8-digits composite number following 21553892
and preceding 21553894 . In scientific notation, it is written as 2.1553893 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 14271936 positive integers (up to 21553893) that are relatively prime to 21553893.
21553893 has 12 divisors, whose sum is 31344300
The reverse of 21553893 is 39835512
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million five hundred fifty-three thousand eight hundred ninety-three
Scientific notation
2.1553893 × 10^7
Engineering notation
2.1553893 × 10^6
Prime Factorization
3 × 3 × 149 × 16073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7184631
Product of the distinct prime numbers
The prime factorization of 21553893 is 3 × 3 × 149 × 16073.
Since it has a total of 4 prime factors.
5 , 2 , 85 , 60 , 633 , 214 , 8899 , 9609 , 50887 , 63061 , 54954 , 71856 , 8592150 , 2491766 , 19449842 , 74701052 , 179495862 , 662221720 , 5366089079 , 8754024007
n×2
43107786
n×3
64661679
n×4
86215572
n×5
107769465
n÷2
10776946.5
n÷3
7184631
n÷3
5388473.25
n÷5
4310778.6
n2
464570303455449
n3
1.0013298611656E+22
n4
2.1582556685269E+29
n5
4.6518811746072E+36
2 √n
4642.6170421434
3 √n
278.29703169171
4 √n
68.136752506583
5 √n
29.289040496713
1 , 3 , 9 , 149 , 447 , 1341 , 16073 , 48219 , 144657 , 2394877 , 7184631 , 21553893
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21553892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21553893 can be divided by 12 positive divisors.
The sum of these divisors (counting 21553893) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001110001011100101
3
Ternary
1111120001101100
4
Quaternary
1102032023211
5
Quinary
21004211033
6
Senary
2045550313
8
Octal
122161345
10
Decimal
21553893
12
Duodecimal
7275399
16
Hexadecimal
148e2e5
20
Vigesimal
6ee4ed
36
Base36
ctz39
md5
58f9c814725dc173d39ac6b10fd008c3
sha1
8d11037ae26553907026055b3b42244726c5885d
sha256
579ca0f2f89be3417545d1fbae82d8825337f2355c16ef8b1e00d81cf3a2412e
sha512
d7aadc1a5fda2eb55b5e8061ecfe52c6ef317245038fe2a373fc41b66efaa5844bf84b96259d38e492bbb40642dc4378d189e54a343356723b4eb9c57013be31
ripemd-160
2106160484a336793eb2e62013f93263b8967fbd
Diameter
43107786
Circumference
135427103.81012
Area
1.4594906524116E+15
Volume
4.1943607142107E+22
Surface area
5.8379626096465E+15
Circumference
135427103.81012
Perimeter
86215572
Area
464570303455449
Diagonal
30481807.802539
Surface area
2787421820732694
Volume
1.0013298611656E+22
Space diagonal
37332437.776903
Perimeter
64661679
Area
2.0116484231813E+14
Altitude
18666218.888452
Surface area
2.0116484231813E+14
Volume
1.1800785583913E+21
Height
10160602.600846