21492814 is an even 8-digits composite number following 21492813
and preceding 21492815 . In scientific notation, it is written as 2.1492814 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9169272 positive integers (up to 21492814) that are relatively prime to 21492814.
21492814 has 16 divisors, whose sum is 37012608
The reverse of 21492814 is 41829412
Previous prime number is 227
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-two thousand eight hundred fourteen
Scientific notation
2.1492814 × 10^7
Engineering notation
2.1492814 × 10^6
Prime Factorization
2 × 7 × 227 × 6763
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492814
Product of the distinct prime numbers
The prime factorization of 21492814 is 2 × 7 × 227 × 6763.
Since it has a total of 4 prime factors.
2 , 7 , 33 , 65 , 872 , 298 , 1310 , 9054 , 84077 , 72999 , 219068 , 500056 , 6786326 , 7423117 , 66849600 , 9524429 , 528579382 , 908531372 , 8651808818 , 1444891914
n×2
42985628
n×3
64478442
n×4
85971256
n×5
107464070
n÷2
10746407
n÷3
7164271.3333333
n÷3
5373203.5
n÷5
4298562.8
n2
461941053638596
n3
9.9284131448184E+21
n4
2.1338953703674E+29
n5
4.5863416290767E+36
2 √n
4636.0342966807
3 √n
278.03390542766
4 √n
68.088429976617
5 √n
29.272421906741
1 , 2 , 7 , 14 , 227 , 454 , 1589 , 3178 , 6763 , 13526 , 47341 , 94682 , 1535201 , 3070402 , 10746407 , 21492814
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
-21492813
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 21492814 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492814) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111010001001110
3
Ternary
1111102221121011
4
Quaternary
1101333101032
5
Quinary
21000232224
6
Senary
2044355434
8
Octal
121772116
10
Decimal
21492814
12
Duodecimal
7245b7a
16
Hexadecimal
147f44e
20
Vigesimal
6e6c0e
36
Base36
csnym
md5
c2a428a53154a2094210b364b765fd22
sha1
855146f0e31ce389e2863c68c6d65397f8c46fe6
sha256
f0fcda53f08b4abb13e71a94b35bdcea84155a6a932e0e878811ca5377e3c772
sha512
4b21838fe4839447fa2ef23f920edbe6abcd1525026375ead1c58f0d8c5a6ce47dafac5e09538fe2a7dc6fb884dbe80b35185d31a0b8c72a72fd974e77930471
ripemd-160
aeff43ad92b53cd82c4f0d54168ff8cfebf2198e
Diameter
42985628
Circumference
135043333.13474
Area
1.4512306205025E+15
Volume
4.1588039730088E+22
Surface area
5.8049224820102E+15
Circumference
135043333.13474
Perimeter
85971256
Area
461941053638596
Diagonal
30395429.052362
Surface area
2771646321831576
Volume
9.9284131448184E+21
Space diagonal
37226645.845628
Perimeter
64478442
Area
2.0002634375099E+14
Altitude
18613322.922814
Surface area
2.0002634375099E+14
Volume
1.1700747101871E+21
Height
10131809.684121