21493814 is an even 8-digits composite number following 21493813
and preceding 21493815 . In scientific notation, it is written as 2.1493814 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 9765504 positive integers (up to 21493814) that are relatively prime to 21493814.
21493814 has 16 divisors, whose sum is 35316000
The reverse of 21493814 is 41839412
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-three thousand eight hundred fourteen
Scientific notation
2.1493814 × 10^7
Engineering notation
2.1493814 × 10^6
Prime Factorization
2 × 17 × 29 × 21799
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21493814
Product of the distinct prime numbers
The prime factorization of 21493814 is 2 × 17 × 29 × 21799.
Since it has a total of 4 prime factors.
5 , 3 , 100 , 77 , 616 , 757 , 4047 , 7062 , 49903 , 2330 , 327154 , 291305 , 649200 , 2714575 , 61554999 , 38076423 , 501924084 , 120517600 , 2266486361 , 1312834868
n×2
42987628
n×3
64481442
n×4
85975256
n×5
107469070
n÷2
10746907
n÷3
7164604.6666667
n÷3
5373453.5
n÷5
4298762.8
n2
461984040266596
n3
9.9297990324587E+21
n4
2.1342925346105E+29
n5
4.5874086760506E+36
2 √n
4636.1421462246
3 √n
278.03821740519
4 √n
68.089221953438
5 √n
29.272694294313
1 , 2 , 17 , 29 , 34 , 58 , 493 , 986 , 21799 , 43598 , 370583 , 632171 , 741166 , 1264342 , 10746907 , 21493814
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493813
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493814 can be divided by 16 positive divisors.
The sum of these divisors (counting 21493814) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111100000110110
3
Ternary
1111102222222012
4
Quaternary
1101333200312
5
Quinary
21000300224
6
Senary
2044404222
8
Octal
121774066
10
Decimal
21493814
12
Duodecimal
7246672
16
Hexadecimal
147f836
20
Vigesimal
6e6eae
36
Base36
csoqe
md5
7af909085cf015161bd0cc13dd82f058
sha1
9c970c4cc585bfb843255eb77ede57b262a69186
sha256
bcc555e499e55bf309b3d0ba81a0d07c5219548b36e64d3a7c976fb3e32c408c
sha512
13ccc5f2a322682566a990d298b0495c6663d91ad59194d804f0ba5fcaafacecabfb5021d10d177211c4b3632e4c1091e90a4357f0202efa89aea136af2ff68c
ripemd-160
019b8b85329c62d01d192a2907da0cd315dafb3f
Diameter
42987628
Circumference
135049616.32005
Area
1.4513656669773E+15
Volume
4.159384492266E+22
Surface area
5.8054626679091E+15
Circumference
135049616.32005
Perimeter
85975256
Area
461984040266596
Diagonal
30396843.265925
Surface area
2771904241599576
Volume
9.9297990324587E+21
Space diagonal
37228377.896435
Perimeter
64481442
Area
2.0004495750692E+14
Altitude
18614188.948218
Surface area
2.0004495750692E+14
Volume
1.1702380386119E+21
Height
10132281.088642