21131843 is an odd 8-digits composite number following 21131842
and preceding 21131844 . In scientific notation, it is written as 2.1131843 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 21115080 positive integers (up to 21131843) that are relatively prime to 21131843.
21131843 has 4 divisors, whose sum is 21148608
The reverse of 21131843 is 34813112
Previous prime number is 1373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred thirty-one thousand eight hundred forty-three
Scientific notation
2.1131843 × 10^7
Engineering notation
2.1131843 × 10^6
Prime Factorization
1373 × 15391
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21131843
Product of the distinct prime numbers
The prime factorization of 21131843 is 1373 × 15391.
Since it has a total of 2 prime factors.
8 , 6 , 48 , 9 , 640 , 313 , 4093 , 9755 , 68445 , 81117 , 456205 , 982995 , 6753231 , 6370405 , 5278758 , 25822065 , 819223003 , 617950089 , 280470683 , 9652536796
n×2
42263686
n×3
63395529
n×4
84527372
n×5
105659215
n÷2
10565921.5
n÷3
7043947.6666667
n÷3
5282960.75
n÷5
4226368.6
n2
446554788576649
n3
9.4365256830999E+21
n4
1.9941117920074E+29
n5
4.2139257313148E+36
2 √n
4596.9384376996
3 √n
276.46858630262
4 √n
67.800725937851
5 √n
29.173428775334
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
-21131842
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 21131843 can be divided by 4 positive divisors.
The sum of these divisors (counting 21131843) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100111001001000011
3
Ternary
1110202121102212
4
Quaternary
1100213021003
5
Quinary
20402204333
6
Senary
2032532335
8
Octal
120471103
10
Decimal
21131843
12
Duodecimal
70b10ab
16
Hexadecimal
1427243
20
Vigesimal
6c19c3
36
Base36
ckxfn
md5
14874943cd79453b504fb4698bc063cb
sha1
3fb2f0eb2391bc4ae2d9a5dd8b82cc0cb47a59d5
sha256
4410ea0cc323de3ad567df842abde2e4d0419179aeb18a3d157f06a000e8bf0b
sha512
89910490960a8633d42bd907b234c04a12bf9fdaed78a72b842f5b546a20bb887da14ead382d2ad3bb30f5fb197c59e452a791852038e4386f3b3cd83915a8b0
ripemd-160
1ace078293c95ae2e3840e7e086eddb265d7a0ae
Diameter
42263686
Circumference
132775285.45123
Area
1.4028932432177E+15
Volume
3.9527626348584E+22
Surface area
5.611572972871E+15
Circumference
132775285.45123
Perimeter
84527372
Area
446554788576649
Diagonal
29884938.968539
Surface area
2679328731459894
Volume
9.4365256830999E+21
Space diagonal
36601425.733569
Perimeter
63395529
Area
1.9336389554448E+14
Altitude
18300712.866784
Surface area
1.9336389554448E+14
Volume
1.1121052168935E+21
Height
9961646.3228463