21492649 is an odd 8-digits composite number following 21492648
and preceding 21492650 . In scientific notation, it is written as 2.1492649 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20558164 positive integers (up to 21492649) that are relatively prime to 21492649.
21492649 has 4 divisors, whose sum is 22427136
The reverse of 21492649 is 94629412
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-two thousand six hundred forty-nine
Scientific notation
2.1492649 × 10^7
Engineering notation
2.1492649 × 10^6
Prime Factorization
23 × 934463
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492649
Product of the distinct prime numbers
The prime factorization of 21492649 is 23 × 934463.
Since it has a total of 2 prime factors.
5 , 10 , 12 , 12 , 334 , 60 , 4000 , 4343 , 3527 , 18047 , 927628 , 730149 , 7821619 , 781581 , 50648805 , 62513178 , 615951732 , 167281710 , 3896436307 , 2812807036
n×2
42985298
n×3
64477947
n×4
85970596
n×5
107463245
n÷2
10746324.5
n÷3
7164216.3333333
n÷3
5373162.25
n÷5
4298529.8
n2
461933961037201
n3
9.9281844857522E+21
n4
2.1338298435952E+29
n5
4.5861655854116E+36
2 √n
4636.0165012649
3 √n
278.03319393851
4 √n
68.088299297786
5 √n
29.272376961817
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492649 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492649) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111001110101001
3
Ternary
1111102221101001
4
Quaternary
1101333032221
5
Quinary
21000231044
6
Senary
2044355001
8
Octal
121771651
10
Decimal
21492649
12
Duodecimal
7245a61
16
Hexadecimal
147f3a9
20
Vigesimal
6e6bc9
36
Base36
csnu1
md5
7fcc4ebcb0776d9ed98e2a8a83ce1a86
sha1
b170ada1ba589007f0190a185dfb70cd3e52e238
sha256
6776f321f4d0c2c66284fbd7268e77ddcf58090e3cae8f971ec679c70fee73a3
sha512
e4dbc96cc69fd5328fcd5803c8956c27a2c63db4b57dfd31b4732a7995a1cc1cb527e9d9b8b197fae2aa3dbb53250f188524c4a0f31c0086f3cf12194b23daa9
ripemd-160
486058ff0f0c8dd0d8f7318f55e11458bde522be
Diameter
42985298
Circumference
135042296.40917
Area
1.4512083384381E+15
Volume
4.1587081925231E+22
Surface area
5.8048333537524E+15
Circumference
135042296.40917
Perimeter
85970596
Area
461933961037201
Diagonal
30395195.707125
Surface area
2771603766223206
Volume
9.9281844857522E+21
Space diagonal
37226360.057244
Perimeter
64477947
Area
2.0002327256449E+14
Altitude
18613180.028622
Surface area
2.0002327256449E+14
Volume
1.1700477624577E+21
Height
10131731.902375