21081023 is an odd 8-digits composite number following 21081022
and preceding 21081024 . In scientific notation, it is written as 2.1081023 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 20196000 positive integers (up to 21081023) that are relatively prime to 21081023.
21081023 has 8 divisors, whose sum is 21979776
The reverse of 21081023 is 32018012
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million eighty-one thousand twenty-three
Scientific notation
2.1081023 × 10^7
Engineering notation
2.1081023 × 10^6
Prime Factorization
101 × 31 × 6733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21081023
Product of the distinct prime numbers
The prime factorization of 21081023 is 101 × 31 × 6733.
Since it has a total of 3 prime factors.
1 , 7 , 13 , 85 , 641 , 891 , 7659 , 3317 , 9634 , 64181 , 593680 , 105807 , 9444738 , 3592088 , 52618528 , 51715482 , 6126552 , 575303363 , 351989704 , 4679392745
n×2
42162046
n×3
63243069
n×4
84324092
n×5
105405115
n÷2
10540511.5
n÷3
7027007.6666667
n÷3
5270255.75
n÷5
4216204.6
n2
444409530726529
n3
9.3686075386652E+21
n4
1.9749983100057E+29
n5
4.1634984798192E+36
2 √n
4591.4075183978
3 √n
276.24678183293
4 √n
67.759925607971
5 √n
29.159383413475
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21081022
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21081023 can be divided by 8 positive divisors.
The sum of these divisors (counting 21081023) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011010101110111111
3
Ternary
1110200000201122
4
Quaternary
1100122232333
5
Quinary
20344043043
6
Senary
2031501155
8
Octal
120325677
10
Decimal
21081023
12
Duodecimal
70877bb
16
Hexadecimal
141abbf
20
Vigesimal
6bf2b3
36
Base36
cju7z
md5
1aa090c650664caa9325582eb867459a
sha1
b501310527a8f60866d7af1d03c0be1f5fe70c85
sha256
51b7aa7eb5216269b2b46cb299ceecda14b7f907995352975693f0ea1ac5c907
sha512
69ed6c20cd732fef4974083ab84a487b2b757c2bdf65c47b8075fd8c027f39effb911984efea5f6cbd89e9effd896cfbf4766b26604d4b7f45ef9ca3ad6fc494
ripemd-160
c5c537042e570852ed7fa035de2864039be87cc4
Diameter
42162046
Circumference
132455973.97391
Area
1.3961537169158E+15
Volume
3.9243131490449E+22
Surface area
5.584614867663E+15
Circumference
132455973.97391
Perimeter
84324092
Area
444409530726529
Diagonal
29813068.635299
Surface area
2666457184359174
Volume
9.3686075386652E+21
Space diagonal
36513402.911528
Perimeter
63243069
Area
1.9243497164655E+14
Altitude
18256701.455764
Surface area
1.9243497164655E+14
Volume
1.1041009868109E+21
Height
9937689.5450997