21722018 is an even 8-digits composite number following 21722017
and preceding 21722019 . In scientific notation, it is written as 2.1722018 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 10846960 positive integers (up to 21722018) that are relatively prime to 21722018.
21722018 has 8 divisors, whose sum is 32625180
The reverse of 21722018 is 81022712
Previous prime number is 821
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million seven hundred twenty-two thousand eighteen
Scientific notation
2.1722018 × 10^7
Engineering notation
2.1722018 × 10^6
Prime Factorization
2 × 821 × 13229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21722018
Product of the distinct prime numbers
The prime factorization of 21722018 is 2 × 821 × 13229.
Since it has a total of 3 prime factors.
10 , 10 , 52 , 27 , 9 , 14 , 9495 , 6621 , 66643 , 55949 , 267252 , 644947 , 8398176 , 2705667 , 77191232 , 97156529 , 352926360 , 78527602 , 2429192392 , 2236947313
n×2
43444036
n×3
65166054
n×4
86888072
n×5
108610090
n÷2
10861009
n÷3
7240672.6666667
n÷3
5430504.5
n÷5
4344403.6
n2
471846065992324
n3
1.0249448738714E+22
n4
2.2263870999243E+29
n5
4.8361620659524E+36
2 √n
4660.6885757364
3 √n
279.01875064005
4 √n
68.269235939304
5 √n
29.334590759573
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21722017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21722018 can be divided by 8 positive divisors.
The sum of these divisors (counting 21722018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110111001110100010
3
Ternary
1111212121000012
4
Quaternary
1102313032202
5
Quinary
21030101033
6
Senary
2053324522
8
Octal
122671642
10
Decimal
21722018
12
Duodecimal
7336742
16
Hexadecimal
14b73a2
20
Vigesimal
6ff50i
36
Base36
cxkte
md5
b01f5b482146d62a4e4fe22ab8854390
sha1
ee396c6d1eb59e9bd86c526f76be6397e0c414c7
sha256
afdac18cfef84927b5871c7d604d02aee1388074cdef9aa5b54c8bb315a900cf
sha512
c6270f8fae2af8c0a81bffe47d33cd045aa747d70072191affe753282c0f9ed8c31c9b30ee710e1cfb62549374084212470ed8cecc1adda3ad9402d3464b8fb0
ripemd-160
27a21a86f1f937888083616b166542cbb4095726
Diameter
43444036
Circumference
136483464.33989
Area
1.4823481345467E+15
Volume
4.2932790481187E+22
Surface area
5.9293925381869E+15
Circumference
136483464.33989
Perimeter
86888072
Area
471846065992324
Diagonal
30719572.457712
Surface area
2831076395953944
Volume
1.0249448738714E+22
Space diagonal
37623638.818926
Perimeter
65166054
Area
2.0431533991255E+14
Altitude
18811819.409463
Surface area
2.0431533991255E+14
Volume
1.2079091177615E+21
Height
10239857.485904