21690723 is an odd 8-digits composite number following 21690722
and preceding 21690724 . In scientific notation, it is written as 2.1690723 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 13633920 positive integers (up to 21690723) that are relatively prime to 21690723.
21690723 has 16 divisors, whose sum is 30588800
The reverse of 21690723 is 32709612
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million six hundred ninety thousand seven hundred twenty-three
Scientific notation
2.1690723 × 10^7
Engineering notation
2.1690723 × 10^6
Prime Factorization
3 × 19 × 241 × 1579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21690723
Product of the distinct prime numbers
The prime factorization of 21690723 is 3 × 19 × 241 × 1579.
Since it has a total of 4 prime factors.
5 , 2 , 49 , 31 , 952 , 644 , 3615 , 5575 , 69622 , 69877 , 547172 , 143943 , 2657355 , 5981986 , 11180208 , 15122536 , 466207639 , 621554070 , 1075881713 , 8414337084
n×2
43381446
n×3
65072169
n×4
86762892
n×5
108453615
n÷2
10845361.5
n÷3
7230241
n÷3
5422680.75
n÷5
4338144.6
n2
470487464262729
n3
1.0205213262295E+22
n4
2.2135845402837E+29
n5
4.8014249100377E+36
2 √n
4657.3300291047
3 √n
278.88469175537
4 √n
68.244633701886
5 √n
29.326133391412
1 , 3 , 19 , 57 , 241 , 723 , 1579 , 4579 , 4737 , 13737 , 30001 , 90003 , 380539 , 1141617 , 7230241 , 21690723
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
-21690722
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 21690723 can be divided by 16 positive divisors.
The sum of these divisors (counting 21690723) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101111100101100011
3
Ternary
1111211000002010
4
Quaternary
1102233211203
5
Quinary
21023100343
6
Senary
2052524003
8
Octal
122574543
10
Decimal
21690723
12
Duodecimal
7320603
16
Hexadecimal
14af963
20
Vigesimal
6fb6g3
36
Base36
cwwo3
md5
d7ccf6f633b9c2761c8b20729d270592
sha1
20be3cb7f8891bba35f19c8bdd1268e049ad0600
sha256
955d926035fd45481f75df173ef096071995cc7b292bd1b3280f77dc67bd3be8
sha512
908557de434cb0dbda9018130c75ac3aa6dafbd7db1f07082568095f2e26c2e290a66c9a62f09307d8ca8c92b6c52216b30c0350f7cabef10a2ccd83c4f495bb
ripemd-160
7fc8276613e93c75c2fa89030bc7509703ac36cb
Diameter
43381446
Circumference
136286832.0557
Area
1.4780799613339E+15
Volume
4.2747497350859E+22
Surface area
5.9123198453355E+15
Circumference
136286832.0557
Perimeter
86762892
Area
470487464262729
Diagonal
30675314.644278
Surface area
2822924785576374
Volume
1.0205213262295E+22
Space diagonal
37569434.288903
Perimeter
65072169
Area
2.0372704810682E+14
Altitude
18784717.144451
Surface area
2.0372704810682E+14
Volume
1.2026959168706E+21
Height
10225104.881426