21139953 is an odd 8-digits composite number following 21139952
and preceding 21139954 . In scientific notation, it is written as 2.1139953 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 14093300 positive integers (up to 21139953) that are relatively prime to 21139953.
21139953 has 4 divisors, whose sum is 28186608
The reverse of 21139953 is 35993112
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million one hundred thirty-nine thousand nine hundred fifty-three
Scientific notation
2.1139953 × 10^7
Engineering notation
2.1139953 × 10^6
Prime Factorization
3 × 7046651
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21139953
Product of the distinct prime numbers
The prime factorization of 21139953 is 3 × 7046651.
Since it has a total of 2 prime factors.
4 , 2 , 61 , 15 , 550 , 885 , 2830 , 12 , 4243 , 6211 , 271533 , 980067 , 6766658 , 3654790 , 31625832 , 61929975 , 692025985 , 28490443 , 6426082899 , 6544902814
n×2
42279906
n×3
63419859
n×4
84559812
n×5
105699765
n÷2
10569976.5
n÷3
7046651
n÷3
5284988.25
n÷5
4227990.6
n2
446897612842209
n3
9.4473945312965E+21
n4
1.9971747636406E+29
n5
4.2220180636149E+36
2 √n
4597.8204619145
3 √n
276.50394957663
4 √n
67.807230159582
5 √n
29.17566767324
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
-21139952
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 21139953 can be divided by 4 positive divisors.
The sum of these divisors (counting 21139953) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101001000111110001
3
Ternary
1110210000120020
4
Quaternary
1100221013301
5
Quinary
20402434303
6
Senary
2033034053
8
Octal
120510761
10
Decimal
21139953
12
Duodecimal
70b5929
16
Hexadecimal
14291f1
20
Vigesimal
6c29hd
36
Base36
cl3ox
md5
0c7da623acf6ce88550175014d479cb0
sha1
32cba0f90b7ef33280a25d1676c372b009173bc3
sha256
4f253d534bfb6dcb4875c66226d754edf75cfb4ddefa238d83fa54ac784f8ebb
sha512
ed96cff38c8f6a52800bd66896d8592107c89441e0f1163b04e714af488a9dfe7bf1c8791e50fa91e59e1408fee11288710286092c260ee595dc9b7eaf86dd5c
ripemd-160
f747b59b11cfbdac108880cc108cd242d4845d22
Diameter
42279906
Circumference
132826242.08407
Area
1.4039702574119E+15
Volume
3.9573153673447E+22
Surface area
5.6158810296476E+15
Circumference
132826242.08407
Perimeter
84559812
Area
446897612842209
Diagonal
29896408.24053
Surface area
2681385677053254
Volume
9.4473945312965E+21
Space diagonal
36615472.665618
Perimeter
63419859
Area
1.9351234280599E+14
Altitude
18307736.332809
Surface area
1.9351234280599E+14
Volume
1.1133861229374E+21
Height
9965469.4135099