21142493 is an odd 8-digits prime number following 21142492
and preceding 21142494 . In scientific notation, it is written as 2.1142493 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21142492 positive integers (up to 21142493) that are relatively prime to 21142493.
21142493 has 2 divisors, whose sum is 21142494
The reverse of 21142493 is 39424112
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred forty-two thousand four hundred ninety-three
Scientific notation
2.1142493 × 10^7
Engineering notation
2.1142493 × 10^6
Prime Factorization
21142493
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21142493
Product of the distinct prime numbers
The prime factorization of 21142493 is 21142493.
Since it has a total of 1 prime factors.
1 , 1 , 78 , 29 , 490 , 968 , 6910 , 1726 , 24747 , 52942 , 439203 , 911158 , 5180868 , 8950964 , 79961367 , 75378392 , 501140815 , 587557422 , 2716917220 , 9424385535
n×2
42284986
n×3
63427479
n×4
84569972
n×5
105712465
n÷2
10571246.5
n÷3
7047497.6666667
n÷3
5285623.25
n÷5
4228498.6
n2
447005010255049
n3
9.4508003002823E+21
n4
1.9981347919312E+29
n5
4.2245550851461E+36
2 √n
4598.09667145
3 √n
276.51502326738
4 √n
67.809266855276
5 √n
29.176368740405
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21142494
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10571247
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4598.0967801907
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999054038
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21142493 can be divided by 2 positive divisors.
The sum of these divisors (counting 21142493) is 21142494, the average is 10571247.
Base
System
Value
2
Binary
1010000101001101111011101
3
Ternary
1110210011001022
4
Quaternary
1100221233131
5
Quinary
20403024433
6
Senary
2033053525
8
Octal
120515735
10
Decimal
21142493
12
Duodecimal
70b72a5
16
Hexadecimal
1429bdd
20
Vigesimal
6c2g4d
36
Base36
cl5nh
md5
6d81c786c15d66cc9bf91d281b65a2ad
sha1
b30dfe5afb552e46dfc516a3343559f33e369784
sha256
d0caa8b0993b80b2eec4c2b1596ab9a7dc59ed500750f379d882651071a62802
sha512
a5352e365a1cd8133d3126b142c6b544449dd0ad9105d55deab936cc8f743a4cd0831246e8cb428770bff6daaa3f129b1b6a7e86e6ade96e0a391d234328b423
ripemd-160
02404181224b1138bd4c35fbb65470c95ad86e06
Diameter
42284986
Circumference
132842201.37475
Area
1.4043076563351E+15
Volume
3.9587419725215E+22
Surface area
5.6172306253404E+15
Circumference
132842201.37475
Perimeter
84569972
Area
447005010255049
Diagonal
29900000.342978
Surface area
2682030061530294
Volume
9.4508003002823E+21
Space diagonal
36619872.074669
Perimeter
63427479
Area
1.935588472499E+14
Altitude
18309936.037335
Surface area
1.935588472499E+14
Volume
1.1137874966616E+21
Height
9966666.7809927