21442693 is an odd 8-digits composite number following 21442692
and preceding 21442694 . In scientific notation, it is written as 2.1442693 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 20316384 positive integers (up to 21442693) that are relatively prime to 21442693.
21442693 has 8 divisors, whose sum is 22586688
The reverse of 21442693 is 39624412
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred forty-two thousand six hundred ninety-three
Scientific notation
2.1442693 × 10^7
Engineering notation
2.1442693 × 10^6
Prime Factorization
107 × 23 × 8713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21442693
Product of the distinct prime numbers
The prime factorization of 21442693 is 107 × 23 × 8713.
Since it has a total of 3 prime factors.
7 , 3 , 88 , 72 , 826 , 237 , 81 , 3225 , 44673 , 95035 , 71445 , 735051 , 9132200 , 2411972 , 59346042 , 76833538 , 69150074 , 47469805 , 8061239613 , 282360245
n×2
42885386
n×3
64328079
n×4
85770772
n×5
107213465
n÷2
10721346.5
n÷3
7147564.3333333
n÷3
5360673.25
n÷5
4288538.6
n2
459789083092249
n3
9.8591161534986E+21
n4
2.1140600093081E+29
n5
4.5331139763171E+36
2 √n
4630.6255516939
3 √n
277.8176132322
4 √n
68.048699853075
5 √n
29.258756562226
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
-21442692
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 21442693 can be divided by 8 positive divisors.
The sum of these divisors (counting 21442693) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110011000010000101
3
Ternary
1111100101211211
4
Quaternary
1101303002011
5
Quinary
20442131233
6
Senary
2043331421
8
Octal
121630205
10
Decimal
21442693
12
Duodecimal
7220b71
16
Hexadecimal
1473085
20
Vigesimal
6e06ed
36
Base36
crlad
md5
1379248138e4f4669cc0e99687f0db15
sha1
a48eccbc8d59341a44833414f36f183fbc68600b
sha256
6bb90f59b4c4d6b04ab1f2bb24945f38b22b833a22951bb719e63d3729bbb423
sha512
8814e60ae239bb00f9feea60abce67956517ecd09968525d682341482c7753daa1b3e09238d2d38fbfee1b05da1fed761380e7e94741b67b365edae000df5fd8
ripemd-160
6fd8efc611fe71d9921de1d0aa0fb541846357e3
Diameter
42885386
Circumference
134728413.60396
Area
1.4444700056434E+15
Volume
4.1297769171626E+22
Surface area
5.7778800225736E+15
Circumference
134728413.60396
Perimeter
85770772
Area
459789083092249
Diagonal
30324547.254403
Surface area
2758734498553494
Volume
9.8591161534986E+21
Space diagonal
37139833.727102
Perimeter
64328079
Area
1.9909451317032E+14
Altitude
18569916.863551
Surface area
1.9909451317032E+14
Volume
1.1619079814408E+21
Height
10108182.418134