21143731 is an odd 8-digits composite number following 21143730
and preceding 21143732 . In scientific notation, it is written as 2.1143731 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 18123192 positive integers (up to 21143731) that are relatively prime to 21143731.
21143731 has 4 divisors, whose sum is 24164272
The reverse of 21143731 is 13734112
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million one hundred forty-three thousand seven hundred thirty-one
Scientific notation
2.1143731 × 10^7
Engineering notation
2.1143731 × 10^6
Prime Factorization
7 × 3020533
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21143731
Product of the distinct prime numbers
The prime factorization of 21143731 is 7 × 3020533.
Since it has a total of 2 prime factors.
6 , 7 , 37 , 41 , 101 , 354 , 2689 , 2842 , 97501 , 68105 , 89124 , 895712 , 3135551 , 8355579 , 8933835 , 83464424 , 67558226 , 271315512 , 8162567518 , 5047773260
n×2
42287462
n×3
63431193
n×4
84574924
n×5
105718655
n÷2
10571865.5
n÷3
7047910.3333333
n÷3
5285932.75
n÷5
4228746.2
n2
447057360600361
n3
9.452460574104E+21
n4
1.9986028366696E+29
n5
4.2257920754379E+36
2 √n
4598.2312903985
3 √n
276.5204202802
4 √n
67.810259477446
5 √n
29.176710417221
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
-21143730
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 21143731 can be divided by 4 positive divisors.
The sum of these divisors (counting 21143731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101010000010110011
3
Ternary
1110210012202011
4
Quaternary
1100222002303
5
Quinary
20403044411
6
Senary
2033103351
8
Octal
120520263
10
Decimal
21143731
12
Duodecimal
70b7b57
16
Hexadecimal
142a0b3
20
Vigesimal
6c2j6b
36
Base36
cl6lv
md5
dd45b9faad31070c6ad922430e69cb70
sha1
fd913aa7c27ad92335fa8c50e5cab588eeaf0bc0
sha256
15ad232331df84f175287a85f988120aecc320e54cf75042a494a17e222934bb
sha512
e7519b576b166496a86fdcb51da60268ab0d6faab8f81e1ee4683ead20445c3afd369188f822e44a555db900f158fcb2ec944c943d5eb33397d05c25d03e7ac6
ripemd-160
d6b4bad3334c31d9f3cbcf3fadf6a547185e5245
Diameter
42287462
Circumference
132849979.95816
Area
1.4044721197953E+15
Volume
3.9594374263937E+22
Surface area
5.6178884791813E+15
Circumference
132849979.95816
Perimeter
84574924
Area
447057360600361
Diagonal
29901751.139368
Surface area
2682344163602166
Volume
9.452460574104E+21
Space diagonal
36622016.353569
Perimeter
63431193
Area
1.9358151561437E+14
Altitude
18311008.176785
Surface area
1.9358151561437E+14
Volume
1.1139831618079E+21
Height
9967250.3797895