21498678 is an even 8-digits composite number following 21498677
and preceding 21498679 . In scientific notation, it is written as 2.1498678 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 6991200 positive integers (up to 21498678) that are relatively prime to 21498678.
21498678 has 16 divisors, whose sum is 36706320
The reverse of 21498678 is 87689412
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million four hundred ninety-eight thousand six hundred seventy-eight
Scientific notation
2.1498678 × 10^7
Engineering notation
2.1498678 × 10^6
Prime Factorization
2 × 9 × 41 × 29131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21498678
Product of the distinct prime numbers
The prime factorization of 21498678 is 2 × 9 × 41 × 29131.
Since it has a total of 4 prime factors.
3 , 3 , 72 , 16 , 471 , 477 , 7212 , 5701 , 17611 , 39098 , 523079 , 429855 , 6017837 , 9391775 , 77462340 , 27020497 , 122081495 , 644069835 , 9570428208 , 2030221624
n×2
42997356
n×3
64496034
n×4
85994712
n×5
107493390
n÷2
10749339
n÷3
7166226
n÷3
5374669.5
n÷5
4299735.6
n2
462193155747684
n3
9.9365418292233E+21
n4
2.1362251322E+29
n5
4.5926016252676E+36
2 √n
4636.6666906302
3 √n
278.05918895681
4 √n
68.093073734634
5 √n
29.274019042899
1 , 2 , 9 , 18 , 41 , 82 , 369 , 738 , 29131 , 58262 , 262179 , 524358 , 1194371 , 2388742 , 10749339 , 21498678
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
-21498677
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 21498678 can be divided by 16 positive divisors.
The sum of these divisors (counting 21498678) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000101100110110
3
Ternary
1111110020122100
4
Quaternary
1102000230312
5
Quinary
21000424203
6
Senary
2044442530
8
Octal
122005466
10
Decimal
21498678
12
Duodecimal
7249446
16
Hexadecimal
1480b36
20
Vigesimal
6e76di
36
Base36
csshi
md5
5b85b177594ec573ef028dc487266024
sha1
e26aa7e2873ebd869b67a6e2652899a76dfc0944
sha256
c739d468df1043f85a7f4065cdfdf68d97abb2e914b972813062fcea449803b7
sha512
fb6c0f78a21509f13fc46dab806a15e5e3d12fe5d7b5b92eb71f1b7b40e8b0ecfa99403f6940ee2507d52b5f3be930d3196324ba4342a1f66ffb9e46f4cd331d
ripemd-160
e92c6b31bf424268b980bd9f09d6e57232b3d984
Diameter
42997356
Circumference
135080177.73339
Area
1.4520226226364E+15
Volume
4.1622089083701E+22
Surface area
5.8080904905456E+15
Circumference
135080177.73339
Perimeter
85994712
Area
462193155747684
Diagonal
30403722.000692
Surface area
2773158934486104
Volume
9.9365418292233E+21
Space diagonal
37236802.591563
Perimeter
64496034
Area
2.001355071664E+14
Altitude
18618401.295782
Surface area
2.001355071664E+14
Volume
1.1710326848313E+21
Height
10134574.000231