21556873 is an odd 8-digits composite number following 21556872
and preceding 21556874 . In scientific notation, it is written as 2.1556873 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 19074240 positive integers (up to 21556873) that are relatively prime to 21556873.
21556873 has 16 divisors, whose sum is 24192000
The reverse of 21556873 is 37865512
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred fifty-six thousand eight hundred seventy-three
Scientific notation
2.1556873 × 10^7
Engineering notation
2.1556873 × 10^6
Prime Factorization
31 × 13 × 359 × 149
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21556873
Product of the distinct prime numbers
The prime factorization of 21556873 is 31 × 13 × 359 × 149.
Since it has a total of 4 prime factors.
3 , 4 , 67 , 30 , 803 , 445 , 6663 , 282 , 98695 , 64205 , 13353 , 993341 , 7111200 , 4001004 , 70133395 , 16766159 , 642678028 , 957807161 , 3386249804 , 8954649954
n×2
43113746
n×3
64670619
n×4
86227492
n×5
107784365
n÷2
10778436.5
n÷3
7185624.3333333
n÷3
5389218.25
n÷5
4311374.6
n2
464698773538129
n3
1.0017452444417E+22
n4
2.1594495012784E+29
n5
4.6550978648972E+36
2 √n
4642.937970725
3 √n
278.30985670569
4 √n
68.139107498741
5 √n
29.289850341266
1 , 13 , 31 , 149 , 359 , 403 , 1937 , 4619 , 4667 , 11129 , 53491 , 60047 , 144677 , 695383 , 1658221 , 21556873
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
-21556872
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 21556873 can be divided by 16 positive divisors.
The sum of these divisors (counting 21556873) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001110111010001001
3
Ternary
1111120012110201
4
Quaternary
1102032322021
5
Quinary
21004304443
6
Senary
2050012201
8
Octal
122167211
10
Decimal
21556873
12
Duodecimal
7277061
16
Hexadecimal
148ee89
20
Vigesimal
6eec3d
36
Base36
cu1e1
md5
92793f1aa1297b40c9d1cc2d85023ab8
sha1
e46d54055515ae918edddeb354bb975f083a947c
sha256
1e19ebcdd7a229bfe5132b8f92ca80fc45847910b2be0224abd52be686ed17bd
sha512
a69265d223bb102e8366e60369204826164212f2e6219c81108033ce57946549856906ebe32eda0c1701978c6a3b18acd6a9d1a43255eb563c3c85eb65256cf2
ripemd-160
d3f7b613a7d734e1724c8ad20800a2fc90699ce2
Diameter
43113746
Circumference
135445827.70234
Area
1.4598942530796E+15
Volume
4.1961006676088E+22
Surface area
5.8395770123183E+15
Circumference
135445827.70234
Perimeter
86227492
Area
464698773538129
Diagonal
30486022.158954
Surface area
2788192641228774
Volume
1.0017452444417E+22
Space diagonal
37337599.28831
Perimeter
64670619
Area
2.0122047149575E+14
Altitude
18668799.644155
Surface area
2.0122047149575E+14
Volume
1.1805680922769E+21
Height
10162007.386318