21139923 is an odd 8-digits composite number following 21139922
and preceding 21139924 . In scientific notation, it is written as 2.1139923 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 11687760 positive integers (up to 21139923) that are relatively prime to 21139923.
21139923 has 8 divisors, whose sum is 28211200
The reverse of 21139923 is 32993112
Previous prime number is 1519
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred thirty-nine thousand nine hundred twenty-three
Scientific notation
2.1139923 × 10^7
Engineering notation
2.1139923 × 10^6
Prime Factorization
3 × 1519 × 4639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21139923
Product of the distinct prime numbers
The prime factorization of 21139923 is 3 × 1519 × 4639.
Since it has a total of 3 prime factors.
2 , 10 , 51 , 9 , 161 , 7 , 2962 , 7562 , 30492 , 76863 , 791330 , 629631 , 7559582 , 4642088 , 18497872 , 73795645 , 520655629 , 316936412 , 7747266867 , 7090484865
n×2
42279846
n×3
63419769
n×4
84559692
n×5
105699615
n÷2
10569961.5
n÷3
7046641
n÷3
5284980.75
n÷5
4227984.6
n2
446896344445929
n3
9.4473543105684E+21
n4
1.9971634267913E+29
n5
4.2219881060785E+36
2 √n
4597.817199498
3 √n
276.50381877971
4 √n
67.807206103024
5 √n
29.175659392516
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
-21139922
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 21139923 can be divided by 8 positive divisors.
The sum of these divisors (counting 21139923) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000101001000111010011
3
Ternary
1110210000112010
4
Quaternary
1100221013103
5
Quinary
20402434143
6
Senary
2033034003
8
Octal
120510723
10
Decimal
21139923
12
Duodecimal
70b5903
16
Hexadecimal
14291d3
20
Vigesimal
6c29g3
36
Base36
cl3o3
md5
a452aa4a2b53debecb1478501192d8ea
sha1
347e1bd01f93528139600cf23c695b909a356e1e
sha256
ea49f98bab67ec59140c0e74286e4b2aa0b8f16d02d97285468d5e580ec50f75
sha512
6d146c2f87ec37bf2cad9f9816b74d6129eb54eb8316f240fd5186625127a051f6248d6c0f239a9a7f1476440b35694b444fdca2b3bc65c60a86cef7910fc630
ripemd-160
500610eeb5d1b29b3c932eab7fceb299932a6ae4
Diameter
42279846
Circumference
132826053.58851
Area
1.4039662726275E+15
Volume
3.9572985197255E+22
Surface area
5.6158650905099E+15
Circumference
132826053.58851
Perimeter
84559692
Area
446896344445929
Diagonal
29896365.814123
Surface area
2681378066675574
Volume
9.4473543105684E+21
Space diagonal
36615420.704094
Perimeter
63419769
Area
1.9351179357429E+14
Altitude
18307710.352047
Surface area
1.9351179357429E+14
Volume
1.1133813828791E+21
Height
9965455.2713743