21492638 is an even 8-digits composite number following 21492637
and preceding 21492639 . In scientific notation, it is written as 2.1492638 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10564120 positive integers (up to 21492638) that are relatively prime to 21492638.
21492638 has 8 divisors, whose sum is 32785560
The reverse of 21492638 is 83629412
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-two thousand six hundred thirty-eight
Scientific notation
2.1492638 × 10^7
Engineering notation
2.1492638 × 10^6
Prime Factorization
2 × 59 × 182141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21492638
Product of the distinct prime numbers
The prime factorization of 21492638 is 2 × 59 × 182141.
Since it has a total of 3 prime factors.
8 , 7 , 82 , 85 , 174 , 63 , 2326 , 6402 , 42058 , 65381 , 801606 , 33077 , 8975117 , 5227080 , 10197427 , 67314323 , 418436679 , 598840974 , 2507964459 , 7796282221
n×2
42985276
n×3
64477914
n×4
85970552
n×5
107463190
n÷2
10746319
n÷3
7164212.6666667
n÷3
5373159.5
n÷5
4298527.6
n2
461933488199044
n3
9.9281692419393E+21
n4
2.1338254751974E+29
n5
4.5861538493595E+36
2 √n
4636.0153149014
3 √n
278.03314650577
4 √n
68.088290585837
5 √n
29.272373965479
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
-21492637
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 21492638 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111001110011110
3
Ternary
1111102221100122
4
Quaternary
1101333032132
5
Quinary
21000231023
6
Senary
2044354542
8
Octal
121771636
10
Decimal
21492638
12
Duodecimal
7245a52
16
Hexadecimal
147f39e
20
Vigesimal
6e6bbi
36
Base36
csntq
md5
00dfaca51f2298a90289ef63e4fff5f2
sha1
1579242344c9aba6d716487f3f8f6b8c8727915e
sha256
69b8ecd0ccca9a3273c762622edab89a203bf07ca5e39b2d3b0135c9ca7a6946
sha512
35695c5b9f78bbe0ea3ce7657bf57ecff36cb54e1691611c20b380e82432ede981f63c07a853e198f503164256b7bc32c83d9b7cc3a4aabe6dfb549a570a6f8d
ripemd-160
c61bd644eebd5316be13687336b8222153fb82c9
Diameter
42985276
Circumference
135042227.29413
Area
1.4512068529732E+15
Volume
4.1587018072097E+22
Surface area
5.8048274118929E+15
Circumference
135042227.29413
Perimeter
85970552
Area
461933488199044
Diagonal
30395180.150775
Surface area
2771600929194264
Volume
9.9281692419393E+21
Space diagonal
37226341.004686
Perimeter
64477914
Area
2.0002306781957E+14
Altitude
18613170.502343
Surface area
2.0002306781957E+14
Volume
1.1700459659572E+21
Height
10131726.716925