21490416 is an even 8-digits composite number following 21490415
and preceding 21490417 . In scientific notation, it is written as 2.1490416 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors.
There are 7163424 positive integers (up to 21490416) that are relatively prime to 21490416.
21490416 has 20 divisors, whose sum is 46264400
The reverse of 21490416 is 61409412
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred ninety thousand four hundred sixteen
Scientific notation
2.1490416 × 10^7
Engineering notation
2.1490416 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 149239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2686302
Product of the distinct prime numbers
The prime factorization of 21490416 is 2 × 2 × 2 × 2 × 9 × 149239.
Since it has a total of 6 prime factors.
7 , 3 , 46 , 80 , 987 , 100 , 1572 , 8791 , 56798 , 92570 , 750997 , 304317 , 3822874 , 6088565 , 77432121 , 63366729 , 842183705 , 143747354 , 4630668476 , 2643480430
n×2
42980832
n×3
64471248
n×4
85961664
n×5
107452080
n÷2
10745208
n÷3
7163472
n÷3
5372604
n÷5
4298083.2
n2
461837979853056
n3
9.9250903116418E+21
n4
2.1329431963475E+29
n5
4.5837836593878E+36
2 √n
4635.7756632521
3 √n
278.02356476057
4 √n
68.086530703598
5 √n
29.271768680033
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 149239 , 298478 , 596956 , 1193912 , 1343151 , 2387824 , 2686302 , 5372604 , 10745208 , 21490416
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490415
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490416 can be divided by 20 positive divisors.
The sum of these divisors (counting 21490416) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010001111110101011110000
3
Ternary
1111102211022100
4
Quaternary
1101332223300
5
Quinary
21000143131
6
Senary
2044340400
8
Octal
121765360
10
Decimal
21490416
12
Duodecimal
7244700
16
Hexadecimal
147eaf0
20
Vigesimal
6e660g
36
Base36
csm40
md5
de57e3f04faa82b54f3272c1a45d2c29
sha1
3a83becce7bc4cac6b76a9cd4d979e677a4a0891
sha256
59b3e8ff2647aed4360c2f07e38a040e0af3935f58e172ac1c90823c97472ff0
sha512
41d0aef5804c7b8cdf4c2020b00868339f3986e52a9ae335122e59b92bc33b19f7e28984448a6dc37968e5e4fb86e240d0ffb5375f95d7d413e0268572ca815c
ripemd-160
abbabd0734b301858682ac21d27894628fa09573
Diameter
42980832
Circumference
135028266.05638
Area
1.4509068046551E+15
Volume
4.1574121079025E+22
Surface area
5.8036272186204E+15
Circumference
135028266.05638
Perimeter
85961664
Area
461837979853056
Diagonal
30392037.76824
Surface area
2771027879118336
Volume
9.9250903116418E+21
Space diagonal
37222492.387791
Perimeter
64471248
Area
1.9998171149262E+14
Altitude
18611246.193896
Surface area
1.9998171149262E+14
Volume
1.1696831105418E+21
Height
10130679.25608