21492290 is an even 8-digits composite number following 21492289
and preceding 21492291 . In scientific notation, it is written as 2.1492290 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 8507904 positive integers (up to 21492290) that are relatively prime to 21492290.
21492290 has 16 divisors, whose sum is 39086712
The reverse of 21492290 is 09229412
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand two hundred ninety
Scientific notation
2.1492290 × 10^7
Engineering notation
2.1492290 × 10^6
Prime Factorization
2 × 5 × 97 × 22157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492290
Product of the distinct prime numbers
The prime factorization of 21492290 is 2 × 5 × 97 × 22157.
Since it has a total of 4 prime factors.
8 , 7 , 28 , 45 , 401 , 126 , 683 , 76 , 80672 , 61756 , 440835 , 869379 , 5701331 , 1375282 , 7442550 , 13924321 , 805964988 , 935119431 , 8951940377 , 3950284570
n×2
42984580
n×3
64476870
n×4
85969160
n×5
107461450
n÷2
10746145
n÷3
7164096.6666667
n÷3
5373072.5
n÷5
4298458
n2
461918529444100
n3
9.9276869911861E+21
n4
2.133687278438E+29
n5
4.58578257575E+36
2 √n
4635.9777825179
3 √n
278.03164589802
4 √n
68.088014969728
5 √n
29.272279171604
1 , 2 , 5 , 10 , 97 , 194 , 485 , 970 , 22157 , 44314 , 110785 , 221570 , 2149229 , 4298458 , 10746145 , 21492290
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
-21492289
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 21492290 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492290) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111001001000010
3
Ternary
1111102220212202
4
Quaternary
1101333021002
5
Quinary
21000223130
6
Senary
2044353202
8
Octal
121771102
10
Decimal
21492290
12
Duodecimal
7245802
16
Hexadecimal
147f242
20
Vigesimal
6e6aea
36
Base36
csnk2
md5
6875f2a2db9fa73841f90482e77cf2dd
sha1
9a55f1c0ce2e28fd8f6caf62168bf468f2fe3dfb
sha256
5630fbdfde51a381af24487dab35fb2c2a4c2f8380914d2df5ddd002ee5d7389
sha512
9770a3863bcb13365866bbc83815bcd3a7db0663e89f9e0367649be5b1a7687ae86e19124d2ad469548c755e61e88d5b1fdd1a4e7fc68fbf1b6b2a9c7af4e800
ripemd-160
2fb40dc59f0adc597b79d07e392fd88649ec85c4
Diameter
42984580
Circumference
135040040.74564
Area
1.4511598586586E+15
Volume
4.1584998024866E+22
Surface area
5.8046394346343E+15
Circumference
135040040.74564
Perimeter
85969160
Area
461918529444100
Diagonal
30394688.004456
Surface area
2771511176664600
Volume
9.9276869911861E+21
Space diagonal
37225738.251005
Perimeter
64476870
Area
2.0001659048867E+14
Altitude
18612869.125502
Surface area
2.0001659048867E+14
Volume
1.1699891321609E+21
Height
10131562.668152