21139943 is an odd 8-digits composite number following 21139942
and preceding 21139944 . In scientific notation, it is written as 2.1139943 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19218120 positive integers (up to 21139943) that are relatively prime to 21139943.
21139943 has 4 divisors, whose sum is 23061768
The reverse of 21139943 is 34993112
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million one hundred thirty-nine thousand nine hundred forty-three
Scientific notation
2.1139943 × 10^7
Engineering notation
2.1139943 × 10^6
Prime Factorization
11 × 1921813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21139943
Product of the distinct prime numbers
The prime factorization of 21139943 is 11 × 1921813.
Since it has a total of 2 prime factors.
3 , 1 , 4 , 76 , 345 , 196 , 4686 , 6434 , 15862 , 78736 , 422229 , 871715 , 152064 , 6285077 , 58523565 , 31754417 , 506056753 , 732953220 , 1748465202 , 4092689153
n×2
42279886
n×3
63419829
n×4
84559772
n×5
105699715
n÷2
10569971.5
n÷3
7046647.6666667
n÷3
5284985.75
n÷5
4227988.6
n2
446897190043249
n3
9.4473811243745E+21
n4
1.9971709846855E+29
n5
4.2220080777506E+36
2 √n
4597.8193744426
3 √n
276.50390597767
4 √n
67.807222140732
5 √n
29.175664913
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
-21139942
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 21139943 can be divided by 4 positive divisors.
The sum of these divisors (counting 21139943) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101001000111100111
3
Ternary
1110210000112212
4
Quaternary
1100221013213
5
Quinary
20402434233
6
Senary
2033034035
8
Octal
120510747
10
Decimal
21139943
12
Duodecimal
70b591b
16
Hexadecimal
14291e7
20
Vigesimal
6c29h3
36
Base36
cl3on
md5
63f8c0a895ee0e7fb9c337f6388112fb
sha1
1afc7e0f878efe3d961a995a68d55ef9699cb0e8
sha256
dc44f124bd28a00b954edff51de17a002dc0e51ed8ed192619a0089f72e10554
sha512
11beddee9c624cf5897007bd7ed1406076ccd69ec64af7a42c8629728a29943705788252ac439a606c9451b61791c543eafd88ca9e592dedef7d588141dd4fe3
ripemd-160
bfd210ff466ae4ce9e40e2e1156989226ae135b0
Diameter
42279886
Circumference
132826179.25221
Area
1.4039689291498E+15
Volume
3.9573097514664E+22
Surface area
5.6158757165992E+15
Circumference
132826179.25221
Perimeter
84559772
Area
446897190043249
Diagonal
29896394.098394
Surface area
2681383140259494
Volume
9.4473811243745E+21
Space diagonal
36615455.34511
Perimeter
63419829
Area
1.9351215972867E+14
Altitude
18307727.672555
Surface area
1.9351215972867E+14
Volume
1.1133845429165E+21
Height
9965464.6994647