21032665 is an odd 8-digits composite number following 21032664
and preceding 21032666 . In scientific notation, it is written as 2.1032665 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 16826128 positive integers (up to 21032665) that are relatively prime to 21032665.
21032665 has 4 divisors, whose sum is 25239204
The reverse of 21032665 is 56623012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million thirty-two thousand six hundred sixty-five
Scientific notation
2.1032665 × 10^7
Engineering notation
2.1032665 × 10^6
Prime Factorization
5 × 4206533
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21032665
Product of the distinct prime numbers
The prime factorization of 21032665 is 5 × 4206533.
Since it has a total of 2 prime factors.
7 , 4 , 71 , 94 , 580 , 587 , 6188 , 6205 , 61701 , 30727 , 27176 , 588457 , 7274345 , 8700071 , 45479623 , 85096052 , 973682109 , 340473253 , 5987875636 , 5125525206
n×2
42065330
n×3
63097995
n×4
84130660
n×5
105163325
n÷2
10516332.5
n÷3
7010888.3333333
n÷3
5258166.25
n÷5
4206533
n2
442372997002225
n3
9.3042830509938E+21
n4
1.9569386847673E+29
n5
4.1159635782251E+36
2 √n
4586.1383537787
3 √n
276.03539156179
4 √n
67.721033318894
5 √n
29.145993312863
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21032664
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21032665 can be divided by 4 positive divisors.
The sum of these divisors (counting 21032665) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110111011011001
3
Ternary
1110120120101121
4
Quaternary
1100032323121
5
Quinary
20341021130
6
Senary
2030445241
8
Octal
120167331
10
Decimal
21032665
12
Duodecimal
7063821
16
Hexadecimal
140eed9
20
Vigesimal
6b91d5
36
Base36
ciswp
md5
d1fb0e15eee5c1d07fccc64375363a49
sha1
5d518a7f71df9d17d95ca34056e7d9dd8becba2d
sha256
e4bcbb2e8e4eee912c1b7609e834c42baadc3ecbf21d7701999b3ecc79da162f
sha512
982eb93b87ebf4f199dc4e2e24771810de4922b90b5ffffacf9900a66bc75c5d096f9a8c481b3154054aedbbc6f2885d44328ba8e1ae9f8440b33cef9b6d92df
ripemd-160
c8b6ef1d657a8bb44e9efd9f0359c88e911b30b4
Diameter
42065330
Circumference
132152131.69883
Area
1.3897557575287E+15
Volume
3.8973689706563E+22
Surface area
5.5590230301148E+15
Circumference
132152131.69883
Perimeter
84130660
Area
442372997002225
Diagonal
29744680.09585
Surface area
2654237982013350
Volume
9.3042830509938E+21
Space diagonal
36429644.398576
Perimeter
63097995
Area
1.9155312667609E+14
Altitude
18214822.199288
Surface area
1.9155312667609E+14
Volume
1.0965202732395E+21
Height
9914893.3652833