21494443 is an odd 8-digits composite number following 21494442
and preceding 21494444 . In scientific notation, it is written as 2.1494443 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 19350144 positive integers (up to 21494443) that are relatively prime to 21494443.
21494443 has 8 divisors, whose sum is 23748768
The reverse of 21494443 is 34449412
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-four thousand four hundred forty-three
Scientific notation
2.1494443 × 10^7
Engineering notation
2.1494443 × 10^6
Prime Factorization
23 × 17 × 54973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494443
Product of the distinct prime numbers
The prime factorization of 21494443 is 23 × 17 × 54973.
Since it has a total of 3 prime factors.
8 , 1 , 89 , 78 , 549 , 463 , 828 , 3824 , 72353 , 17514 , 765508 , 875992 , 8132845 , 4793599 , 37157587 , 40327237 , 991699689 , 82149709 , 358218013 , 2188477421
n×2
42988886
n×3
64483329
n×4
85977772
n×5
107472215
n÷2
10747221.5
n÷3
7164814.3333333
n÷3
5373610.75
n÷5
4298888.6
n2
462011079880249
n3
9.9306708218545E+21
n4
2.1345423793211E+29
n5
4.5880799503403E+36
2 √n
4636.2099823024
3 √n
278.04092957054
4 √n
68.089720092701
5 √n
29.272865620902
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
-21494442
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 21494443 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494443) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111101010101011
3
Ternary
1111110000211111
4
Quaternary
1101333222223
5
Quinary
21000310233
6
Senary
2044411151
8
Octal
121775253
10
Decimal
21494443
12
Duodecimal
7246ab7
16
Hexadecimal
147faab
20
Vigesimal
6e6g23
36
Base36
csp7v
md5
40a96cdc89b1a9d3c301565f19863b0f
sha1
0aef0ae73fe68674c3169e554abf8ec1cae6e060
sha256
31546d1e1493b34e7aa17f57fde0e7cdcc7f9027d238ac979f6fa10302753f6c
sha512
98905c6030540cba44c0687ad5fc572ed2b3016f4f8dc40945123d45be566e8a4c7338267df13e1662621d3830821da34baa0ba94ee28fca77784969e1fa92ac
ripemd-160
7ef73d556be87eaa62079daf1d481d2081ccacca
Diameter
42988886
Circumference
135053568.44361
Area
1.4514506144289E+15
Volume
4.1597496665542E+22
Surface area
5.8058024577155E+15
Circumference
135053568.44361
Perimeter
85977772
Area
462011079880249
Diagonal
30397732.806255
Surface area
2772066479281494
Volume
9.9306708218545E+21
Space diagonal
37229467.356393
Perimeter
64483329
Area
2.0005666600309E+14
Altitude
18614733.678197
Surface area
2.0005666600309E+14
Volume
1.1703407799774E+21
Height
10132577.602085