21494460 is an even 8-digits composite number following 21494459
and preceding 21494461 . In scientific notation, it is written as 2.1494460 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 4976640 positive integers (up to 21494460) that are relatively prime to 21494460.
21494460 has 24 divisors, whose sum is 40692736
The reverse of 21494460 is 06449412
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-four thousand four hundred sixty
Scientific notation
2.1494460 × 10^7
Engineering notation
2.1494460 × 10^6
Prime Factorization
2 × 2 × 255 × 13 × 1621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10747230
Product of the distinct prime numbers
The prime factorization of 21494460 is 2 × 2 × 255 × 13 × 1621.
Since it has a total of 5 prime factors.
2 , 2 , 84 , 31 , 866 , 706 , 112 , 1421 , 86754 , 35808 , 351448 , 979117 , 3951151 , 3436976 , 91413492 , 6639096 , 499413794 , 543870770 , 2272032063 , 4515432208
n×2
42988920
n×3
64483380
n×4
85977840
n×5
107472300
n÷2
10747230
n÷3
7164820
n÷3
5373615
n÷5
4298892
n2
462011810691600
n3
9.9306943844382E+21
n4
2.1345491321853E+29
n5
4.5880980939792E+36
2 √n
4636.2118156961
3 √n
278.04100287158
4 √n
68.089733555772
5 √n
29.272870251295
1 , 2 , 4 , 13 , 26 , 52 , 255 , 510 , 1020 , 1621 , 3242 , 3315 , 6484 , 6630 , 13260 , 21073 , 42146 , 84292 , 413355 , 826710 , 1653420 , 5373615 , 10747230 , 21494460
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494459
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494460 can be divided by 24 positive divisors.
The sum of these divisors (counting 21494460) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111111101010111100
3
Ternary
1111110000212010
4
Quaternary
1101333222330
5
Quinary
21000310320
6
Senary
2044411220
8
Octal
121775274
10
Decimal
21494460
12
Duodecimal
7246b10
16
Hexadecimal
147fabc
20
Vigesimal
6e6g30
36
Base36
csp8c
md5
5bf725f7ad4c0fe324fb5c63e01db1e1
sha1
87c67607c2402746886595c9b63c13a0603f18df
sha256
f3a8bc2e2a1d2594fcbaf96e850e4113e916ab53d272ae87b820fa5aca848d9e
sha512
83b0bc08ef6dd45f98ddf150dc5e2b3131e40d754e9e20069bc501871377fa8fc4d7d5b190d26c585b27d812b6551125edfe546a28afa5b3d5db2c76ff2d1aa5
ripemd-160
6e86fa7e6e8f3d7d0f0836c06f6678fe1175de6c
Diameter
42988920
Circumference
135053675.25776
Area
1.4514529103404E+15
Volume
4.1597595364262E+22
Surface area
5.8058116413618E+15
Circumference
135053675.25776
Perimeter
85977840
Area
462011810691600
Diagonal
30397756.847886
Surface area
2772070864149600
Volume
9.9306943844382E+21
Space diagonal
37229496.801257
Perimeter
64483380
Area
2.0005698245369E+14
Altitude
18614748.400628
Surface area
2.0005698245369E+14
Volume
1.1703435568546E+21
Height
10132585.615962