21492086 is an even 8-digits composite number following 21492085
and preceding 21492087 . In scientific notation, it is written as 2.1492086 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8373120 positive integers (up to 21492086) that are relatively prime to 21492086.
21492086 has 16 divisors, whose sum is 35888400
The reverse of 21492086 is 68029412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-two thousand eighty-six
Scientific notation
2.1492086 × 10^7
Engineering notation
2.1492086 × 10^6
Prime Factorization
2 × 49 × 11 × 19937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492086
Product of the distinct prime numbers
The prime factorization of 21492086 is 2 × 49 × 11 × 19937.
Since it has a total of 4 prime factors.
5 , 8 , 62 , 63 , 62 , 616 , 8610 , 3056 , 22702 , 57037 , 5307 , 855222 , 3960052 , 1130109 , 67428436 , 26059699 , 119327500 , 634111951 , 5511961865 , 2990597295
n×2
42984172
n×3
64476258
n×4
85968344
n×5
107460430
n÷2
10746043
n÷3
7164028.6666667
n÷3
5373021.5
n÷5
4298417.2
n2
461909760631396
n3
9.9274042997294E+21
n4
2.1336062696655E+29
n5
4.5855649437791E+36
2 √n
4635.9557806347
3 √n
278.03076622388
4 √n
68.087853400109
5 √n
29.272223602211
1 , 2 , 11 , 22 , 49 , 98 , 539 , 1078 , 19937 , 39874 , 219307 , 438614 , 976913 , 1953826 , 10746043 , 21492086
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
-21492085
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 21492086 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492086) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111000101110110
3
Ternary
1111102220121012
4
Quaternary
1101333011312
5
Quinary
21000221321
6
Senary
2044352222
8
Octal
121770566
10
Decimal
21492086
12
Duodecimal
7245672
16
Hexadecimal
147f176
20
Vigesimal
6e6a46
36
Base36
csnee
md5
5d850c77d68661a80dc003a4b61ec931
sha1
dec8e91c2ffb3edb2936236b2e0adda3bf79f9bf
sha256
7baa728956bdf54191d3b8a8324da76fcf50f578d1f701aa9a901b0749a561a9
sha512
f2209b2b482749d9ff9cf59b1b5177dd60fbef1a1478c22785309e54b9e1862d9ff5dd555d57e42050ead2da08ab5bc26b9c1fe94af8b34d01e3dc527ad04ba8
ripemd-160
9b4f2113912ddb15fb5f8d5562854a86e7eea06d
Diameter
42984172
Circumference
135038758.97584
Area
1.451132310621E+15
Volume
4.1583813889661E+22
Surface area
5.8045292424841E+15
Circumference
135038758.97584
Perimeter
85968344
Area
461909760631396
Diagonal
30394399.504889
Surface area
2771458563788376
Volume
9.9274042997294E+21
Space diagonal
37225384.91264
Perimeter
64476258
Area
2.0001279348139E+14
Altitude
18612692.45632
Surface area
2.0001279348139E+14
Volume
1.1699558166532E+21
Height
10131466.50163