21723897 is an odd 8-digits composite number following 21723896
and preceding 21723898 . In scientific notation, it is written as 2.1723897 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 12656736 positive integers (up to 21723897) that are relatively prime to 21723897.
21723897 has 16 divisors, whose sum is 31299968
The reverse of 21723897 is 79832712
Previous prime number is 361
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million seven hundred twenty-three thousand eight hundred ninety-seven
Scientific notation
2.1723897 × 10^7
Engineering notation
2.1723897 × 10^6
Prime Factorization
3 × 13 × 361 × 1543
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21723897
Product of the distinct prime numbers
The prime factorization of 21723897 is 3 × 13 × 361 × 1543.
Since it has a total of 4 prime factors.
6 , 9 , 30 , 50 , 801 , 980 , 8696 , 4857 , 28147 , 27949 , 811120 , 757066 , 4473240 , 7544732 , 63676592 , 54275847 , 589033302 , 921460135 , 4697629979 , 7686090186
n×2
43447794
n×3
65171691
n×4
86895588
n×5
108619485
n÷2
10861948.5
n÷3
7241299
n÷3
5430974.25
n÷5
4344779.4
n2
471927700866609
n3
1.0252108765073E+22
n4
2.2271575484524E+29
n5
4.8382541185353E+36
2 √n
4660.8901510334
3 √n
279.0267956433
4 √n
68.270712249349
5 √n
29.335098242707
1 , 3 , 13 , 39 , 361 , 1083 , 1543 , 4629 , 4693 , 14079 , 20059 , 60177 , 557023 , 1671069 , 7241299 , 21723897
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
-21723896
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 21723897 can be divided by 16 positive divisors.
The sum of these divisors (counting 21723897) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110111101011111001
3
Ternary
1111212200120210
4
Quaternary
1102313223321
5
Quinary
21030131042
6
Senary
2053341333
8
Octal
122675371
10
Decimal
21723897
12
Duodecimal
7337849
16
Hexadecimal
14b7af9
20
Vigesimal
6ff9eh
36
Base36
cxm9l
md5
db82d0e1e2ae947376280d2f10b54e43
sha1
c641b8b7f99e71b517c94022faa90f18ef4aa280
sha256
6e723e88f124f18b525a5ea85fce05fe0bb0001d3e42ac9d81e7085be8c33a0e
sha512
173175444b9b415c8e40ca9e66d44ab72c52bb9a98d7f4a917cd3ccc18a6643449bec6a5ead23a3f38d38a372ebd9701248d686b0a729387dcb03e0201d74d73
ripemd-160
1a653d40219666de0ab93e243583ad260efa7992
Diameter
43447794
Circumference
136495270.44508
Area
1.4826045980681E+15
Volume
4.2943932773543E+22
Surface area
5.9304183922722E+15
Circumference
136495270.44508
Perimeter
86895588
Area
471927700866609
Diagonal
30722229.764996
Surface area
2831566205199654
Volume
1.0252108765073E+22
Space diagonal
37626893.342393
Perimeter
65171691
Area
2.0435068885003E+14
Altitude
18813446.671197
Surface area
2.0435068885003E+14
Volume
1.2082226048742E+21
Height
10240743.254999