21131432 is an even 8-digits composite number following 21131431
and preceding 21131433 . In scientific notation, it is written as 2.1131432 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 16 positive divisors.
There are 9056304 positive integers (up to 21131432) that are relatively prime to 21131432.
21131432 has 16 divisors, whose sum is 45281760
The reverse of 21131432 is 23413112
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million one hundred thirty-one thousand four hundred thirty-two
Scientific notation
2.1131432 × 10^7
Engineering notation
2.1131432 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 377347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5282858
Product of the distinct prime numbers
The prime factorization of 21131432 is 2 × 2 × 2 × 7 × 377347.
Since it has a total of 5 prime factors.
2 , 4 , 76 , 71 , 237 , 940 , 3 , 9811 , 81010 , 95301 , 407760 , 539170 , 9427522 , 8033053 , 14296769 , 1676945 , 863384970 , 874109999 , 6183174587 , 4068832161
n×2
42262864
n×3
63394296
n×4
84525728
n×5
105657160
n÷2
10565716
n÷3
7043810.6666667
n÷3
5282858
n÷5
4226286.4
n2
446537418370624
n3
9.4359750917544E+21
n4
1.993956660051E+29
n5
4.2135159572815E+36
2 √n
4596.8937338163
3 √n
276.46679391556
4 √n
67.800396265924
5 √n
29.173315293774
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 377347 , 754694 , 1509388 , 2641429 , 3018776 , 5282858 , 10565716 , 21131432
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
-21131431
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 21131432 can be divided by 16 positive divisors.
The sum of these divisors (counting 21131432) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111000010101000
3
Ternary
1110202120212122
4
Quaternary
1100213002220
5
Quinary
20402201212
6
Senary
2032530412
8
Octal
120470250
10
Decimal
21131432
12
Duodecimal
70b0a08
16
Hexadecimal
14270a8
20
Vigesimal
6c18bc
36
Base36
ckx48
md5
858c572e108872803d20a3f89ce88261
sha1
c682f622456c57fae102e4f4c48ed24656e313a2
sha256
4853a316ac403cc25358a2a048b1ff7a6cf0cc5e9f667e5e72b0d6392d854c68
sha512
c87c1bbde0c0e4486d9ccfb1dd190b806333bfc1788b214f98affc2ebbd476019e249ae75b21d5db1389a06d562ae01984d556727e9aeecebc7c72eff2b46788
ripemd-160
5fb1383688898948c7869b518d4dd0aff76a3912
Diameter
42262864
Circumference
132772703.06206
Area
1.4028386731061E+15
Volume
3.9525320036949E+22
Surface area
5.6113546924244E+15
Circumference
132772703.06206
Perimeter
84525728
Area
446537418370624
Diagonal
29884357.726765
Surface area
2679224510223744
Volume
9.4359750917544E+21
Space diagonal
36600713.860687
Perimeter
63394296
Area
1.9335637402464E+14
Altitude
18300356.930343
Surface area
1.9335637402464E+14
Volume
1.1120403290811E+21
Height
9961452.5755883