21039923 is an odd 8-digits composite number following 21039922
and preceding 21039924 . In scientific notation, it is written as 2.1039923 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 21028728 positive integers (up to 21039923) that are relatively prime to 21039923.
21039923 has 4 divisors, whose sum is 21051120
The reverse of 21039923 is 32993012
Previous prime number is 2389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million thirty-nine thousand nine hundred twenty-three
Scientific notation
2.1039923 × 10^7
Engineering notation
2.1039923 × 10^6
Prime Factorization
2389 × 8807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21039923
Product of the distinct prime numbers
The prime factorization of 21039923 is 2389 × 8807.
Since it has a total of 2 prime factors.
6 , 4 , 18 , 43 , 366 , 350 , 5002 , 1344 , 64068 , 73019 , 361514 , 185656 , 3509363 , 716254 , 59602029 , 1826022 , 754784139 , 746835560 , 5713238860 , 2888331040
n×2
42079846
n×3
63119769
n×4
84159692
n×5
105199615
n÷2
10519961.5
n÷3
7013307.6666667
n÷3
5259980.75
n÷5
4207984.6
n2
442678359845929
n3
9.3139186049246E+21
n4
1.9596413027588E+29
n5
4.1230702117665E+36
2 √n
4586.9295830653
3 √n
276.06713955098
4 √n
67.726874895165
5 √n
29.148004588427
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
-21039922
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 21039923 can be divided by 4 positive divisors.
The sum of these divisors (counting 21039923) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010000101100110011
3
Ternary
1110120221100102
4
Quaternary
1100100230303
5
Quinary
20341234143
6
Senary
2030543015
8
Octal
120205463
10
Decimal
21039923
12
Duodecimal
7067a6b
16
Hexadecimal
1410b33
20
Vigesimal
6b9jg3
36
Base36
ciyib
md5
1b5b8f69ddd486c797429591cc882514
sha1
2e11edc12728523a0ddf0c1df0c8b334d2018c0b
sha256
adcb57faa1ed90d1ed56e0bad73b9d128dde8a41d10fdfc91270a9abdf007d4f
sha512
f3c8ce86fac1ba4bb4392cf515195dd43e3394cb9de931dda1ddf236a452125eef19661fca5be95dda11e9a1d07f30cec7acdb73af730549e3e1590db7c120d3
ripemd-160
67d6da596954584d79b6ec9b880478070d7bd03f
Diameter
42079846
Circumference
132197735.05779
Area
1.3907150831951E+15
Volume
3.9014051020486E+22
Surface area
5.5628603327806E+15
Circumference
132197735.05779
Perimeter
84159692
Area
442678359845929
Diagonal
29754944.457886
Surface area
2656070159075574
Volume
9.3139186049246E+21
Space diagonal
36442215.623337
Perimeter
63119769
Area
1.916853526661E+14
Altitude
18221107.811668
Surface area
1.916853526661E+14
Volume
1.0976558341603E+21
Height
9918314.8192952