21003944 is an even 8-digits composite number following 21003943
and preceding 21003945 . In scientific notation, it is written as 2.1003944 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 9694080 positive integers (up to 21003944) that are relatively prime to 21003944.
21003944 has 16 divisors, whose sum is 42412020
The reverse of 21003944 is 44930012
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million three thousand nine hundred forty-four
Scientific notation
2.1003944 × 10^7
Engineering notation
2.1003944 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 201961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5250986
Product of the distinct prime numbers
The prime factorization of 21003944 is 2 × 2 × 2 × 13 × 201961.
Since it has a total of 5 prime factors.
6 , 2 , 78 , 20 , 496 , 719 , 867 , 9165 , 7619 , 81295 , 228720 , 611850 , 2965916 , 5499764 , 97779140 , 77816983 , 911609802 , 197665821 , 3622231095 , 6177510734
n×2
42007888
n×3
63011832
n×4
84015776
n×5
105019720
n÷2
10501972
n÷3
7001314.6666667
n÷3
5250986
n÷5
4200788.8
n2
441165663555136
n3
9.2662188920349E+21
n4
1.9462714270004E+29
n5
4.0879376061517E+36
2 √n
4583.0060004325
3 √n
275.90968829815
4 √n
67.697902481779
5 √n
29.138028942315
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 201961 , 403922 , 807844 , 1615688 , 2625493 , 5250986 , 10501972 , 21003944
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
-21003943
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 21003944 can be divided by 16 positive divisors.
The sum of these divisors (counting 21003944) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111111010101000
3
Ternary
1110112002222212
4
Quaternary
1100013322220
5
Quinary
20334111234
6
Senary
2030104252
8
Octal
120077250
10
Decimal
21003944
12
Duodecimal
704b088
16
Hexadecimal
1407ea8
20
Vigesimal
6b59h4
36
Base36
ci6qw
md5
867a71bfdd698ae269bceee33ec18c40
sha1
41d954dc003c119d2ccea02fa5ef09dc2dc2a25c
sha256
e16a4ed2e536769557fe2608ac461817c8b01f24c7a148e1de8274c69c27dcd8
sha512
2ed2a652e4704687a2e6ae81ab3e56dd769741896a6d1976dfd63159ea890ae882cf9227b11a1a22721ab40ffafe7ad3fa875d9b71b32c39931e003da28c0e7f
ripemd-160
5291f89a4f9bbc77269d47a6eaf1da942f151c9e
Diameter
42007888
Circumference
131971672.33362
Area
1.3859628076409E+15
Volume
3.8814246930362E+22
Surface area
5.5438512305635E+15
Circumference
131971672.33362
Perimeter
84015776
Area
441165663555136
Diagonal
29704062.468125
Surface area
2646993981330816
Volume
9.2662188920349E+21
Space diagonal
36379898.167331
Perimeter
63011832
Area
1.9103033595808E+14
Altitude
18189949.083666
Surface area
1.9103033595808E+14
Volume
1.0920343690861E+21
Height
9901354.1560417