21494530 is an even 8-digits composite number following 21494529
and preceding 21494531 . In scientific notation, it is written as 2.1494530 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 8597808 positive integers (up to 21494530) that are relatively prime to 21494530.
21494530 has 8 divisors, whose sum is 38690172
The reverse of 21494530 is 03549412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety-four thousand five hundred thirty
Scientific notation
2.1494530 × 10^7
Engineering notation
2.1494530 × 10^6
Prime Factorization
2 × 5 × 2149453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494530
Product of the distinct prime numbers
The prime factorization of 21494530 is 2 × 5 × 2149453.
Since it has a total of 3 prime factors.
4 , 4 , 90 , 60 , 291 , 427 , 3266 , 4089 , 42721 , 38899 , 817485 , 867792 , 4911136 , 5713831 , 36749191 , 63624923 , 730733901 , 218645624 , 2612529922 , 3459517628
n×2
42989060
n×3
64483590
n×4
85978120
n×5
107472650
n÷2
10747265
n÷3
7164843.3333333
n÷3
5373632.5
n÷5
4298906
n2
462014819920900
n3
9.9307914072344E+21
n4
2.1345769382654E+29
n5
4.5881728036854E+36
2 √n
4636.2193649568
3 √n
278.04130469895
4 √n
68.089788991865
5 √n
29.272889317587
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
-21494529
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 21494530 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494530) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111101100000010
3
Ternary
1111110000221201
4
Quaternary
1101333230002
5
Quinary
21000311110
6
Senary
2044411414
8
Octal
121775402
10
Decimal
21494530
12
Duodecimal
7246b6a
16
Hexadecimal
147fb02
20
Vigesimal
6e6g6a
36
Base36
cspaa
md5
09d142da0f481e00fa7ad6ceb97e66d2
sha1
24fb7d1a22d1abb9282302b646202a81f205fd3c
sha256
f0bfe4053ad693ca91b52786cf18f93954b19c2822222166c75c056d63117f9a
sha512
0c5749614675520220d5a8f47743b73e93c533b6b803e4f9a0079c9dd86db393edf9734f5fe42aaf14d751791c0ea1cdbb3c438d52ba60e70965ccffb5d43951
ripemd-160
0ec785a27b637dfdf563cd795a1aab4a18347fc8
Diameter
42989060
Circumference
135054115.08073
Area
1.4514623641131E+15
Volume
4.15980017724E+22
Surface area
5.8058494564524E+15
Circumference
135054115.08073
Perimeter
85978120
Area
462014819920900
Diagonal
30397855.842835
Surface area
2772088919525400
Volume
9.9307914072344E+21
Space diagonal
37229618.044813
Perimeter
64483590
Area
2.000582854882E+14
Altitude
18614809.022407
Surface area
2.000582854882E+14
Volume
1.1703549911008E+21
Height
10132618.614278