21139969 is an odd 8-digits composite number following 21139968
and preceding 21139970 . In scientific notation, it is written as 2.1139969 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 20512800 positive integers (up to 21139969) that are relatively prime to 21139969.
21139969 has 8 divisors, whose sum is 21772800
The reverse of 21139969 is 96993112
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million one hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
2.1139969 × 10^7
Engineering notation
2.1139969 × 10^6
Prime Factorization
41 × 199 × 2591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21139969
Product of the distinct prime numbers
The prime factorization of 21139969 is 41 × 199 × 2591.
Since it has a total of 3 prime factors.
3 , 2 , 41 , 53 , 499 , 737 , 8861 , 2883 , 96562 , 83915 , 783034 , 783383 , 5807182 , 3122773 , 54563617 , 8017880 , 143533649 , 871900430 , 3322111618 , 6655278752
n×2
42279938
n×3
63419907
n×4
84559876
n×5
105699845
n÷2
10569984.5
n÷3
7046656.3333333
n÷3
5284992.25
n÷5
4227993.8
n2
446898289320961
n3
9.4474159823981E+21
n4
1.99718080998E+29
n5
4.2220340410372E+36
2 √n
4597.8222018691
3 √n
276.50401933494
4 √n
67.807242989736
5 √n
29.175672089622
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21139968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21139969 can be divided by 8 positive divisors.
The sum of these divisors (counting 21139969) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000101001001000000001
3
Ternary
1110210000120211
4
Quaternary
1100221020001
5
Quinary
20402434334
6
Senary
2033034121
8
Octal
120511001
10
Decimal
21139969
12
Duodecimal
70b5941
16
Hexadecimal
1429201
20
Vigesimal
6c29i9
36
Base36
cl3pd
md5
b87c206579ea4a6d2bd3cc2df3c7281b
sha1
68239542be98d321b1bd34d930e7b608e6c8e95d
sha256
b3421e0fb82c5f3c7078a98cad57b7cec31c174597958a48f68be7f2246f03aa
sha512
60dbdf3cc772f459cd0893126e84e54f9d6807866ee69dbdc4a0a06ab47d6f8cbba3fc6821667c6110451bdd78a4a5868e8fc8ce1633bfa8130f4d1a749e11a6
ripemd-160
b6363fb62547a3f2b53fc0ef960b4f89b5584f71
Diameter
42279938
Circumference
132826342.61503
Area
1.4039723826326E+15
Volume
3.9573243527612E+22
Surface area
5.6158895305303E+15
Circumference
132826342.61503
Perimeter
84559876
Area
446898289320961
Diagonal
29896430.867947
Surface area
2681389735925766
Volume
9.4474159823981E+21
Space diagonal
36615500.378431
Perimeter
63419907
Area
1.9351263572988E+14
Altitude
18307750.189216
Surface area
1.9351263572988E+14
Volume
1.113388650974E+21
Height
9965476.9559823