21143912 is an even 8-digits composite number following 21143911
and preceding 21143913 . In scientific notation, it is written as 2.1143912 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 10558080 positive integers (up to 21143912) that are relatively prime to 21143912.
21143912 has 16 divisors, whose sum is 39696900
The reverse of 21143912 is 21934112
Previous prime number is 1129
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred forty-three thousand nine hundred twelve
Scientific notation
2.1143912 × 10^7
Engineering notation
2.1143912 × 10^6
Prime Factorization
2 × 2 × 2 × 1129 × 2341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5285978
Product of the distinct prime numbers
The prime factorization of 21143912 is 2 × 2 × 2 × 1129 × 2341.
Since it has a total of 5 prime factors.
4 , 2 , 12 , 74 , 552 , 926 , 292 , 2665 , 28822 , 57130 , 20167 , 263485 , 2298691 , 8901614 , 18928126 , 87813713 , 413811577 , 724119678 , 4139868596 , 4001779992
n×2
42287824
n×3
63431736
n×4
84575648
n×5
105719560
n÷2
10571956
n÷3
7047970.6666667
n÷3
5285978
n÷5
4228782.4
n2
447065014663744
n3
9.4527033283289E+21
n4
1.9986712733629E+29
n5
4.2259729520914E+36
2 √n
4598.250971837
3 √n
276.521209325
4 √n
67.810404598682
5 √n
29.176760370245
1 , 2 , 4 , 8 , 1129 , 2258 , 2341 , 4516 , 4682 , 9032 , 9364 , 18728 , 2642989 , 5285978 , 10571956 , 21143912
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21143911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21143912 can be divided by 16 positive divisors.
The sum of these divisors (counting 21143912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101010000101101000
3
Ternary
1110210012222212
4
Quaternary
1100222011220
5
Quinary
20403101122
6
Senary
2033104252
8
Octal
120520550
10
Decimal
21143912
12
Duodecimal
70b8088
16
Hexadecimal
142a168
20
Vigesimal
6c2jfc
36
Base36
cl6qw
md5
e95cd90b46743630fa336a00753863a4
sha1
07982fdea577b76e7563e220b10e61c88a0f7082
sha256
e48a9b3630aa93cfe89aa147e4ead0efed31c18980c4211952fa980ea736a40e
sha512
3478edfaf14afd85f8c7016ffb992e90b06ce894ce9b340f9ba9470d6589aa875b4f709ef09ae9266f82e233182b0b46d07ac6ef6958c0396218cf87340dbc29
ripemd-160
46fdc195627981ae5a4e7740d2700840eb744c52
Diameter
42287824
Circumference
132851117.2147
Area
1.4044961657446E+15
Volume
3.9595391110456E+22
Surface area
5.6179846629785E+15
Circumference
132851117.2147
Perimeter
84575648
Area
447065014663744
Diagonal
29902007.112023
Surface area
2682390087982464
Volume
9.4527033283289E+21
Space diagonal
36622329.854765
Perimeter
63431736
Area
1.9358482992103E+14
Altitude
18311164.927383
Surface area
1.9358482992103E+14
Volume
1.1140117706677E+21
Height
9967335.7040077