21143939 is an odd 8-digits composite number following 21143938
and preceding 21143940 . In scientific notation, it is written as 2.1143939 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 20854224 positive integers (up to 21143939) that are relatively prime to 21143939.
21143939 has 4 divisors, whose sum is 21433656
The reverse of 21143939 is 93934112
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million one hundred forty-three thousand nine hundred thirty-nine
Scientific notation
2.1143939 × 10^7
Engineering notation
2.1143939 × 10^6
Prime Factorization
73 × 289643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21143939
Product of the distinct prime numbers
The prime factorization of 21143939 is 73 × 289643.
Since it has a total of 2 prime factors.
1 , 4 , 75 , 83 , 456 , 15 , 5732 , 6743 , 69047 , 90503 , 410240 , 535276 , 6127335 , 5869310 , 73240365 , 71497720 , 362331142 , 653975562 , 2636276182 , 8430918843
n×2
42287878
n×3
63431817
n×4
84575756
n×5
105719695
n÷2
10571969.5
n÷3
7047979.6666667
n÷3
5285984.75
n÷5
4228787.8
n2
447066156435721
n3
9.4527395406413E+21
n4
1.9986814823021E+29
n5
4.2259999342225E+36
2 √n
4598.253907735
3 √n
276.52132702743
4 √n
67.810426246522
5 √n
29.176767821772
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
-21143938
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 21143939 can be divided by 4 positive divisors.
The sum of these divisors (counting 21143939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101010000110000011
3
Ternary
1110210020000212
4
Quaternary
1100222012003
5
Quinary
20403101224
6
Senary
2033104335
8
Octal
120520603
10
Decimal
21143939
12
Duodecimal
70b80ab
16
Hexadecimal
142a183
20
Vigesimal
6c2jgj
36
Base36
cl6rn
md5
71135ab89bc30ff1ac7db7c95021f4f5
sha1
b7a7cb3279443a73cf0bd9bfc835a42d2a457a56
sha256
bba26ae2e4d520c1f4ab5b6db783c0b89bc2087f61cd3f84cfb5d2a289356555
sha512
6aaa54d04c0785e73f2862d643553842d3406460a1ebb7e6f4a7afb33c22f09ec5c7350dcdfe6e4f56bc82e8ec0b1be9737e25704146a1b1aeab7b3a6ad966b4
ripemd-160
d0501495e6daf997de268b2742bf4c0d5332ff71
Diameter
42287878
Circumference
132851286.8607
Area
1.4044997527271E+15
Volume
3.9595542796235E+22
Surface area
5.6179990109083E+15
Circumference
132851286.8607
Perimeter
84575756
Area
447066156435721
Diagonal
29902045.295789
Surface area
2682396938614326
Volume
9.4527395406413E+21
Space diagonal
36622376.620137
Perimeter
63431817
Area
1.935853243228E+14
Altitude
18311188.310069
Surface area
1.935853243228E+14
Volume
1.1140160383296E+21
Height
9967348.4319298