21688093 is an odd 8-digits composite number following 21688092
and preceding 21688094 . In scientific notation, it is written as 2.1688093 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 18589788 positive integers (up to 21688093) that are relatively prime to 21688093.
21688093 has 4 divisors, whose sum is 24786400
The reverse of 21688093 is 39088612
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million six hundred eighty-eight thousand ninety-three
Scientific notation
2.1688093 × 10^7
Engineering notation
2.1688093 × 10^6
Prime Factorization
7 × 3098299
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21688093
Product of the distinct prime numbers
The prime factorization of 21688093 is 7 × 3098299.
Since it has a total of 2 prime factors.
6 , 1 , 2 , 30 , 286 , 540 , 2904 , 1633 , 18394 , 21749 , 494073 , 137071 , 9457405 , 8686766 , 21422473 , 639003 , 414418312 , 824875695 , 4412968043 , 19247659
n×2
43376186
n×3
65064279
n×4
86752372
n×5
108440465
n÷2
10844046.5
n÷3
7229364.3333333
n÷3
5422023.25
n÷5
4337618.6
n2
470373377976649
n3
1.0201501566282E+22
n4
2.2125111470916E+29
n5
4.798514752166E+36
2 √n
4657.04766993
3 √n
278.87341971085
4 √n
68.24256494249
5 √n
29.325422198227
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21688092
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21688093 can be divided by 4 positive divisors.
The sum of these divisors (counting 21688093) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101110111100011101
3
Ternary
1111210212110201
4
Quaternary
1102232330131
5
Quinary
21023004333
6
Senary
2052503501
8
Octal
122567435
10
Decimal
21688093
12
Duodecimal
731ab91
16
Hexadecimal
14aef1d
20
Vigesimal
6fb04d
36
Base36
cwun1
md5
ef5a2520985c5ff861726b655e8af6b9
sha1
3c7047230889148fb759bd1666cf16cca9ef02d8
sha256
50c6f91d3b815ac9eb56f09e2f65c7a0557854def4290b6e2e2cab4b3cf8230b
sha512
8e78821bd0564199b5a05a06553fe5ea6124107ed57b4b785fb9df078c1c2df1add1afb5f20c7eb331a850a5e90a1cb8beb26eb79a7e4145942d1ddee0090f92
ripemd-160
c94b257d3ade041c638e62ae042118eebeb7bd86
Diameter
43376186
Circumference
136270307.27834
Area
1.4777215486957E+15
Volume
4.2731949834954E+22
Surface area
5.9108861947826E+15
Circumference
136270307.27834
Perimeter
86752372
Area
470373377976649
Diagonal
30671595.262609
Surface area
2822240267859894
Volume
1.0201501566282E+22
Space diagonal
37564878.995279
Perimeter
65064279
Area
2.0367764729584E+14
Altitude
18782439.497639
Surface area
2.0367764729584E+14
Volume
1.2022584893005E+21
Height
10223865.087536