21493467 is an odd 8-digits composite number following 21493466
and preceding 21493468 . In scientific notation, it is written as 2.1493467 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors.
There are 14328972 positive integers (up to 21493467) that are relatively prime to 21493467.
21493467 has 6 divisors, whose sum is 31046132
The reverse of 21493467 is 76439412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety-three thousand four hundred sixty-seven
Scientific notation
2.1493467 × 10^7
Engineering notation
2.1493467 × 10^6
Prime Factorization
3 × 3 × 2388163
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7164489
Product of the distinct prime numbers
The prime factorization of 21493467 is 3 × 3 × 2388163.
Since it has a total of 3 prime factors.
4 , 1 , 28 , 75 , 233 , 715 , 9045 , 5594 , 11933 , 50682 , 61063 , 761482 , 2037687 , 5977666 , 17699643 , 79630555 , 836331503 , 486150473 , 2182118634 , 9475575543
n×2
42986934
n×3
64480401
n×4
85973868
n×5
107467335
n÷2
10746733.5
n÷3
7164489
n÷3
5373366.75
n÷5
4298693.4
n2
461969123680089
n3
9.9293181148369E+21
n4
2.1341547123375E+29
n5
4.587038388252E+36
2 √n
4636.1047227171
3 √n
278.03672116414
4 √n
68.088947140612
5 √n
29.272599776974
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493466
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493467 can be divided by 6 positive divisors.
The sum of these divisors (counting 21493467) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111111011011011011
3
Ternary
1111102222111100
4
Quaternary
1101333123123
5
Quinary
21000242332
6
Senary
2044402443
8
Octal
121773333
10
Decimal
21493467
12
Duodecimal
7246423
16
Hexadecimal
147f6db
20
Vigesimal
6e6dd7
36
Base36
csogr
md5
44d3dce6a8cc7da74d10f8a50019a1db
sha1
a1b2d706018ed716838dea4594ce70fd3989d52e
sha256
861fb4567b4fb7301d5afc5f283304dd3b7d1d64f9879469c8a393a21a115b6c
sha512
ed580f12694e22382ca09c701d25eca6613cbbfb6cd0fcadcdb1650fb095722d19dbf196cad5d17a153c74d5dd2abb485d9f7183b0c6057ec5798c101d2a6b9d
ripemd-160
9592d319b44a6f8a193dd918ff4d789abf351788
Diameter
42986934
Circumference
135047436.05475
Area
1.4513188051387E+15
Volume
4.1591830459637E+22
Surface area
5.8052752205547E+15
Circumference
135047436.05475
Perimeter
85973868
Area
461969123680089
Diagonal
30396352.533819
Surface area
2771814742080534
Volume
9.9293181148369E+21
Space diagonal
37227776.874805
Perimeter
64480401
Area
2.000384984355E+14
Altitude
18613888.437403
Surface area
2.000384984355E+14
Volume
1.1701813619266E+21
Height
10132117.511273