21006039 is an odd 8-digits composite number following 21006038
and preceding 21006040 . In scientific notation, it is written as 2.1006039 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 12983040 positive integers (up to 21006039) that are relatively prime to 21006039.
21006039 has 16 divisors, whose sum is 30113280
The reverse of 21006039 is 93060012
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million six thousand thirty-nine
Scientific notation
2.1006039 × 10^7
Engineering notation
2.1006039 × 10^6
Prime Factorization
3 × 19 × 47 × 7841
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21006039
Product of the distinct prime numbers
The prime factorization of 21006039 is 3 × 19 × 47 × 7841.
Since it has a total of 4 prime factors.
3 , 4 , 53 , 26 , 392 , 97 , 4563 , 8047 , 12622 , 95447 , 636560 , 871956 , 5122466 , 4120549 , 86590202 , 43861326 , 911998308 , 169275773 , 6375060419 , 8569256304
n×2
42012078
n×3
63018117
n×4
84024156
n×5
105030195
n÷2
10503019.5
n÷3
7002013
n÷3
5251509.75
n÷5
4201207.8
n2
441253674469521
n3
9.2689918948001E+21
n4
1.9470480523285E+29
n5
4.0899767322087E+36
2 √n
4583.2345565114
3 √n
275.91886136234
4 √n
67.699590519525
5 √n
29.138610183012
1 , 3 , 19 , 47 , 57 , 141 , 893 , 2679 , 7841 , 23523 , 148979 , 368527 , 446937 , 1105581 , 7002013 , 21006039
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
-21006038
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 21006039 can be divided by 16 positive divisors.
The sum of these divisors (counting 21006039) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001000011011010111
3
Ternary
1110112012212110
4
Quaternary
1100020123113
5
Quinary
20334143124
6
Senary
2030122103
8
Octal
120103327
10
Decimal
21006039
12
Duodecimal
7050333
16
Hexadecimal
14086d7
20
Vigesimal
6b5f1j
36
Base36
ci8d3
md5
eff3d4341e97e0f354502c232fbd9a96
sha1
c9ddb68002d9dd86ce8badc63efa31bb5284a8f4
sha256
113d4b966327bc18fb60537e94beda07e40f0abf7bb9c9c0fb146f075a3f8e7d
sha512
0107231e58a7a589340e18859a7e7753c5fc02a0f513b50f6265d19914ebf356bec0bfbc71c79f141869820aa3282734d4b48806b057b3e93a76872f1592b04b
ripemd-160
c4fa2d96c22a05d686b84107578644fc692e50b4
Diameter
42012078
Circumference
131984835.60684
Area
1.3862393020829E+15
Volume
3.8825862457183E+22
Surface area
5.5449572083318E+15
Circumference
131984835.60684
Perimeter
84024156
Area
441253674469521
Diagonal
29707025.245538
Surface area
2647522046817126
Volume
9.2689918948001E+21
Space diagonal
36383526.813773
Perimeter
63018117
Area
1.9106844580192E+14
Altitude
18191763.406887
Surface area
1.9106844580192E+14
Volume
1.092361170596E+21
Height
9902341.7485127