21492318 is an even 8-digits composite number following 21492317
and preceding 21492319 . In scientific notation, it is written as 2.1492318 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6742656 positive integers (up to 21492318) that are relatively prime to 21492318.
21492318 has 16 divisors, whose sum is 45513360
The reverse of 21492318 is 81329412
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-two thousand three hundred eighteen
Scientific notation
2.1492318 × 10^7
Engineering notation
2.1492318 × 10^6
Prime Factorization
2 × 3 × 17 × 210709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492318
Product of the distinct prime numbers
The prime factorization of 21492318 is 2 × 3 × 17 × 210709.
Since it has a total of 4 prime factors.
3 , 1 , 55 , 49 , 959 , 690 , 7232 , 8574 , 18201 , 13038 , 454278 , 994504 , 3309060 , 3179170 , 90632672 , 30298968 , 950387386 , 5215453 , 7297512826 , 8555293267
n×2
42984636
n×3
64476954
n×4
85969272
n×5
107461590
n÷2
10746159
n÷3
7164106
n÷3
5373079.5
n÷5
4298463.6
n2
461919733013124
n3
9.9277257923932E+21
n4
2.1336983974692E+29
n5
4.5858124474498E+36
2 √n
4635.9808023761
3 √n
278.03176663718
4 √n
68.088037145861
5 √n
29.272286798743
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 210709 , 421418 , 632127 , 1264254 , 3582053 , 7164106 , 10746159 , 21492318
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
-21492317
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 21492318 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492318) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111001001011110
3
Ternary
1111102220220210
4
Quaternary
1101333021132
5
Quinary
21000223233
6
Senary
2044353250
8
Octal
121771136
10
Decimal
21492318
12
Duodecimal
7245826
16
Hexadecimal
147f25e
20
Vigesimal
6e6afi
36
Base36
csnku
md5
e329cccbd1e4a99f72374cdaf1eedb88
sha1
c7e3bca27c671cb866870636211ea1b48868457f
sha256
fe42078fdd94a353ca0d4784ff0f58a8db0582e0b08ab1d244283290f8d77ba6
sha512
23b3563f6e9ff4f6984cd7acafb26905e94951ed648a6c91c138585ef5c573e9f9405d81fcb7f57b237fb39fcf803c5b894a57f427b88fe8a5d26c26cac1bdfa
ripemd-160
08e96d84394c5eb04a4f82b2f023121487e4cb0a
Diameter
42984636
Circumference
135040216.67483
Area
1.4511636397822E+15
Volume
4.1585160554982E+22
Surface area
5.8046545591288E+15
Circumference
135040216.67483
Perimeter
85969272
Area
461919733013124
Diagonal
30394727.602435
Surface area
2771518398078744
Volume
9.9277257923932E+21
Space diagonal
37225786.748427
Perimeter
64476954
Area
2.0001711164935E+14
Altitude
18612893.374214
Surface area
2.0001711164935E+14
Volume
1.169993704927E+21
Height
10131575.867478