21492893 is an odd 8-digits composite number following 21492892
and preceding 21492894 . In scientific notation, it is written as 2.1492893 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20911968 positive integers (up to 21492893) that are relatively prime to 21492893.
21492893 has 4 divisors, whose sum is 22073820
The reverse of 21492893 is 39829412
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand eight hundred ninety-three
Scientific notation
2.1492893 × 10^7
Engineering notation
2.1492893 × 10^6
Prime Factorization
37 × 580889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492893
Product of the distinct prime numbers
The prime factorization of 21492893 is 37 × 580889.
Since it has a total of 2 prime factors.
6 , 2 , 4 , 18 , 157 , 134 , 9193 , 695 , 49259 , 73157 , 414993 , 181621 , 4299283 , 8677027 , 99227988 , 82898176 , 719240550 , 356318929 , 2127111348 , 3180402872
n×2
42985786
n×3
64478679
n×4
85971572
n×5
107464465
n÷2
10746446.5
n÷3
7164297.6666667
n÷3
5373223.25
n÷5
4298578.6
n2
461944449509449
n3
9.9285226252505E+21
n4
2.1339267443259E+29
n5
4.5864259185634E+36
2 √n
4636.042816886
3 √n
278.03424607875
4 √n
68.088492543792
5 √n
29.272443425728
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492893 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492893) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111010010011101
3
Ternary
1111102221201002
4
Quaternary
1101333102131
5
Quinary
21000233033
6
Senary
2044400045
8
Octal
121772235
10
Decimal
21492893
12
Duodecimal
7246025
16
Hexadecimal
147f49d
20
Vigesimal
6e6c4d
36
Base36
cso0t
md5
362cdea984128d14ed2ecb721bc3dc62
sha1
cbd1ac0474f44293c0f68196f4019d987fd442d8
sha256
2495e19f0ddd6fe6ca4269f1cd5eb8a1e5b9b9e03acfbf59332b76044a8cd978
sha512
2ef6a30ba9dc277d98b444ff4e8b32c07b4e4e27ab9f9a643c65e4f13cdcdb61462f90b7779db7ca6eeecd94a03a22cdda4fc977a290d7aeefcf8a0deb7bf609
ripemd-160
a8fcc2f93af8e18ae400317ba66ed550d35cd9b9
Diameter
42985786
Circumference
135043829.50638
Area
1.4512412889455E+15
Volume
4.1588498320649E+22
Surface area
5.8049651557819E+15
Circumference
135043829.50638
Perimeter
85971572
Area
461944449509449
Diagonal
30395540.775234
Surface area
2771666697056694
Volume
9.9285226252505E+21
Space diagonal
37226782.677641
Perimeter
64478679
Area
2.000278142062E+14
Altitude
18613391.338821
Surface area
2.000278142062E+14
Volume
1.1700876125798E+21
Height
10131846.925078