21492418 is an even 8-digits composite number following 21492417
and preceding 21492419 . In scientific notation, it is written as 2.1492418 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10727316 positive integers (up to 21492418) that are relatively prime to 21492418.
21492418 has 8 divisors, whose sum is 32295312
The reverse of 21492418 is 81429412
Previous prime number is 587
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 four hundred eighteen
Scientific notation
2.1492418 × 10^7
Engineering notation
2.1492418 × 10^6
Prime Factorization
2 × 587 × 18307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21492418
Product of the distinct prime numbers
The prime factorization of 21492418 is 2 × 587 × 18307.
Since it has a total of 3 prime factors.
4 , 6 , 99 , 21 , 884 , 740 , 2840 , 7892 , 97352 , 60793 , 426436 , 111936 , 6400585 , 7361784 , 87955305 , 62472926 , 709184578 , 559918449 , 2603764056 , 5472232325
n×2
42984836
n×3
64477254
n×4
85969672
n×5
107462090
n÷2
10746209
n÷3
7164139.3333333
n÷3
5373104.5
n÷5
4298483.6
n2
461924031486724
n3
9.9278643689578E+21
n4
2.1337381086495E+29
n5
4.5859191333624E+36
2 √n
4635.9915875679
3 √n
278.03219784758
4 √n
68.088116346157
5 √n
29.27231403846
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492417
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492418 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492418) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111001011000010
3
Ternary
1111102221001111
4
Quaternary
1101333023002
5
Quinary
21000224133
6
Senary
2044353534
8
Octal
121771302
10
Decimal
21492418
12
Duodecimal
72458aa
16
Hexadecimal
147f2c2
20
Vigesimal
6e6b0i
36
Base36
csnnm
md5
3379dff32360136d38039ff209da1113
sha1
63a2964d67cb31bc5d99c18913eb0268ec9a6d5d
sha256
cd47bb9e0a7c190027b93c9ccba80c546a2ade2568e4c54f3148cd02c8024d9c
sha512
b3672d37c64606cd4b1438720a25c8ecec50cb3e10b64fc0be40a834eeef898323a24e6e2d1dc06f93f93519d3e1ecab9fce7920d11521ee854974d1745b505e
ripemd-160
6a9956ef6cce8745ce5776b28b78468461b521ac
Diameter
42984836
Circumference
135040844.99336
Area
1.4511771438353E+15
Volume
4.1585741023138E+22
Surface area
5.8047085753411E+15
Circumference
135040844.99336
Perimeter
85969672
Area
461924031486724
Diagonal
30394869.023792
Surface area
2771544188920344
Volume
9.9278643689578E+21
Space diagonal
37225959.953508
Perimeter
64477254
Area
2.0001897294301E+14
Altitude
18612979.976754
Surface area
2.0001897294301E+14
Volume
1.1700100363317E+21
Height
10131623.007931