21000732 is an even 8-digits composite number following 21000731
and preceding 21000733 . In scientific notation, it is written as 2.1000732 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 12 positive divisors.
There are 7000240 positive integers (up to 21000732) that are relatively prime to 21000732.
21000732 has 12 divisors, whose sum is 49001736
The reverse of 21000732 is 23700012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million seven hundred thirty-two
Scientific notation
2.1000732 × 10^7
Engineering notation
2.1000732 × 10^6
Prime Factorization
2 × 2 × 3 × 1750061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10500366
Product of the distinct prime numbers
The prime factorization of 21000732 is 2 × 2 × 3 × 1750061.
Since it has a total of 4 prime factors.
9 , 4 , 92 , 14 , 260 , 704 , 1560 , 4708 , 54851 , 72760 , 38900 , 801875 , 8912391 , 8260311 , 62644383 , 56344097 , 180076385 , 593528706 , 2997884697 , 806204721
n×2
42001464
n×3
63002196
n×4
84002928
n×5
105003660
n÷2
10500366
n÷3
7000244
n÷3
5250183
n÷5
4200146.4
n2
441030744535824
n3
9.2619684697573E+21
n4
1.9450811762582E+29
n5
4.0848128500844E+36
2 √n
4582.6555620077
3 √n
275.895623208
4 √n
67.695314180582
5 √n
29.137137708988
1 , 2 , 3 , 4 , 6 , 12 , 1750061 , 3500122 , 5250183 , 7000244 , 10500366 , 21000732
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000731
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000732 can be divided by 12 positive divisors.
The sum of these divisors (counting 21000732) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000111001000011100
3
Ternary
1110111221120220
4
Quaternary
1100013020130
5
Quinary
20334010412
6
Senary
2030041340
8
Octal
120071034
10
Decimal
21000732
12
Duodecimal
7049250
16
Hexadecimal
140721c
20
Vigesimal
6b51gc
36
Base36
ci49o
md5
7e734cd9c5321ee312a7176856c59980
sha1
0f2e8afb60baf1adac9ef94ca6f8a01eb0d28796
sha256
64c6d0cdc5e37b08bd6de31174a870f3dc37f69b4eaaa711f0f8f3b8da9a66dc
sha512
fdb3f408fbf6445620cc662b640808c34f10de7c3aa37354e0703f0b5bd09890e4c48f40b33fa7a49fd70dba70c8504cac7429f4100f6587f1787d2e6080591c
ripemd-160
717a43f504dc096788098ab715e1c685f7f950c1
Diameter
42001464
Circumference
131951490.74242
Area
1.385538947041E+15
Volume
3.879644280316E+22
Surface area
5.5421557881639E+15
Circumference
131951490.74242
Perimeter
84002928
Area
441030744535824
Diagonal
29699520.014163
Surface area
2646184467214944
Volume
9.2619684697573E+21
Space diagonal
36374334.820138
Perimeter
63002196
Area
1.9097191430899E+14
Altitude
18187167.410069
Surface area
1.9097191430899E+14
Volume
1.0915334520169E+21
Height
9899840.0047209