21492646 is an even 8-digits composite number following 21492645
and preceding 21492647 . In scientific notation, it is written as 2.1492646 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 9140040 positive integers (up to 21492646) that are relatively prime to 21492646.
21492646 has 16 divisors, whose sum is 37128960
The reverse of 21492646 is 64629412
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-two thousand six hundred forty-six
Scientific notation
2.1492646 × 10^7
Engineering notation
2.1492646 × 10^6
Prime Factorization
2 × 7 × 131 × 11719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492646
Product of the distinct prime numbers
The prime factorization of 21492646 is 2 × 7 × 131 × 11719.
Since it has a total of 4 prime factors.
4 , 8 , 52 , 93 , 285 , 448 , 8926 , 4175 , 82396 , 19733 , 613964 , 803924 , 3292551 , 7988596 , 13973806 , 41385913 , 858798918 , 731475465 , 6025508114 , 9929320715
n×2
42985292
n×3
64477938
n×4
85970584
n×5
107463230
n÷2
10746323
n÷3
7164215.3333333
n÷3
5373161.5
n÷5
4298529.2
n2
461933832081316
n3
9.9281803283472E+21
n4
2.1338286522133E+29
n5
4.5861623846677E+36
2 √n
4636.0161777112
3 √n
278.03318100231
4 √n
68.0882969218
5 √n
29.272376144634
1 , 2 , 7 , 14 , 131 , 262 , 917 , 1834 , 11719 , 23438 , 82033 , 164066 , 1535189 , 3070378 , 10746323 , 21492646
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
-21492645
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 21492646 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492646) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111001110100110
3
Ternary
1111102221100221
4
Quaternary
1101333032212
5
Quinary
21000231041
6
Senary
2044354554
8
Octal
121771646
10
Decimal
21492646
12
Duodecimal
7245a5a
16
Hexadecimal
147f3a6
20
Vigesimal
6e6bc6
36
Base36
csnty
md5
8130b49686526a49c25d6b31c6a9d527
sha1
6544c702eab9725fd5146882cbe5a90500bbe685
sha256
acaebf4261146b960396bc8d2ab458bbea2a59aabac615b7805ae5781840c58a
sha512
d5d3461c73cf63405853e2da896021bcd6a11859836ea66c533b4660769901b61b1dbb801533a95332a58f1e98b8f12c9313ce1ff37cca3cdf9d86c9e3cd7418
ripemd-160
3fe076fcae4e0f3d3ccc2d1943e8feef71dc174c
Diameter
42985292
Circumference
135042277.55961
Area
1.4512079333112E+15
Volume
4.1587064510734E+22
Surface area
5.804831733245E+15
Circumference
135042277.55961
Perimeter
85970584
Area
461933832081316
Diagonal
30395191.464484
Surface area
2771602992487896
Volume
9.9281803283472E+21
Space diagonal
37226354.861092
Perimeter
64477938
Area
2.0002321672496E+14
Altitude
18613177.430546
Surface area
2.0002321672496E+14
Volume
1.1700472725029E+21
Height
10131730.488161