21438039 is an odd 8-digits composite number following 21438038
and preceding 21438040 . In scientific notation, it is written as 2.1438039 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 11948160 positive integers (up to 21438039) that are relatively prime to 21438039.
21438039 has 24 divisors, whose sum is 34071408
The reverse of 21438039 is 93083412
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred thirty-eight thousand thirty-nine
Scientific notation
2.1438039 × 10^7
Engineering notation
2.1438039 × 10^6
Prime Factorization
7 × 3 × 7 × 41 × 3557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3062577
Product of the distinct prime numbers
The prime factorization of 21438039 is 7 × 3 × 7 × 41 × 3557.
Since it has a total of 5 prime factors.
8 , 9 , 96 , 55 , 956 , 518 , 2574 , 4926 , 67353 , 58272 , 854593 , 754600 , 6243968 , 6135791 , 4295813 , 49787864 , 273055244 , 883441949 , 2181540046 , 6606786685
n×2
42876078
n×3
64314117
n×4
85752156
n×5
107190195
n÷2
10719019.5
n÷3
7146013
n÷3
5359509.75
n÷5
4287607.8
n2
459589516165521
n3
9.8526979715476E+21
n4
2.1122252336926E+29
n5
4.5281966936686E+36
2 √n
4630.123000526
3 √n
277.79751226313
4 √n
68.045007168241
5 √n
29.257486366579
1 , 3 , 7 , 21 , 41 , 49 , 123 , 147 , 287 , 861 , 2009 , 3557 , 6027 , 10671 , 24899 , 74697 , 145837 , 174293 , 437511 , 522879 , 1020859 , 3062577 , 7146013 , 21438039
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21438038
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21438039 can be divided by 24 positive divisors.
The sum of these divisors (counting 21438039) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001110001111001010111
3
Ternary
1111100011110110
4
Quaternary
1101301321113
5
Quinary
20442004124
6
Senary
2043254103
8
Octal
121617127
10
Decimal
21438039
12
Duodecimal
721a333
16
Hexadecimal
1471e57
20
Vigesimal
6djf1j
36
Base36
crhp3
md5
d651ec1fc48da94fec248daf2b23c4ac
sha1
d690b8736eb2446e6beadc11d854bbd9bc918006
sha256
ff88e976816d0c324d4efee490bb4777f1151078ba4f62060f1a37cac8eb278c
sha512
47b3395b7a554e0622e7e9fbbc05c4213c46ec2caa6303a4b576ee23fe87319f43050c59fc9ffdec39a05b8aa9c99738ba4a4081f9a087321bab25f4d00914e1
ripemd-160
6157e5c896c8ebf90d4f1a214d603d4dd9520863
Diameter
42876078
Circumference
134699171.65954
Area
1.4438430476525E+15
Volume
4.1270884753937E+22
Surface area
5.77537219061E+15
Circumference
134699171.65954
Perimeter
85752156
Area
459589516165521
Diagonal
30317965.504483
Surface area
2757537096993126
Volume
9.8526979715476E+21
Space diagonal
37131772.762643
Perimeter
64314117
Area
1.9900809815617E+14
Altitude
18565886.381322
Surface area
1.9900809815617E+14
Volume
1.161151591444E+21
Height
10105988.501494