21492798 is an even 8-digits composite number following 21492797
and preceding 21492799 . In scientific notation, it is written as 2.1492798 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 7145600 positive integers (up to 21492798) that are relatively prime to 21492798.
21492798 has 16 divisors, whose sum is 43097616
The reverse of 21492798 is 89729412
Previous prime number is 401
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million four hundred ninety-two thousand seven hundred ninety-eight
Scientific notation
2.1492798 × 10^7
Engineering notation
2.1492798 × 10^6
Prime Factorization
2 × 3 × 401 × 8933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492798
Product of the distinct prime numbers
The prime factorization of 21492798 is 2 × 3 × 401 × 8933.
Since it has a total of 4 prime factors.
8 , 1 , 13 , 73 , 683 , 864 , 5346 , 9375 , 62746 , 56093 , 934952 , 234037 , 279470 , 4006563 , 49252196 , 86352481 , 502563381 , 300705882 , 9678015005 , 5395678827
n×2
42985596
n×3
64478394
n×4
85971192
n×5
107463990
n÷2
10746399
n÷3
7164266
n÷3
5373199.5
n÷5
4298559.6
n2
461940365868804
n3
9.9283909716643E+21
n4
2.13388901619E+29
n5
4.5863245579391E+36
2 √n
4636.0325710676
3 √n
278.03383643493
4 √n
68.088417304764
5 √n
29.272417548457
1 , 2 , 3 , 6 , 401 , 802 , 1203 , 2406 , 8933 , 17866 , 26799 , 53598 , 3582133 , 7164266 , 10746399 , 21492798
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
-21492797
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 21492798 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492798) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111010000111110
3
Ternary
1111102221120120
4
Quaternary
1101333100332
5
Quinary
21000232143
6
Senary
2044355410
8
Octal
121772076
10
Decimal
21492798
12
Duodecimal
7245b66
16
Hexadecimal
147f43e
20
Vigesimal
6e6bji
36
Base36
csny6
md5
4fc942869f68c9daf2e3a7bb28d00a77
sha1
145bbcb114d85e79e6f8be7fd4912b02095be373
sha256
9f9d2884c56599d3909b01233fc70dd870e80962ac71d03b6622b050b7bf5de7
sha512
1f9626192cdf6d80ae4fc192cb4173b4a17524fc8f1764a2d05436454b1af4f4a17692f0eea6833cb456e2967c58ce36a4afaeb137f02c36736fe67a559bf6b6
ripemd-160
ff45376cefb605222a40925d8fc53b1b3117d872
Diameter
42985596
Circumference
135043232.60378
Area
1.45122845981E+15
Volume
4.1587946851397E+22
Surface area
5.8049138392401E+15
Circumference
135043232.60378
Perimeter
85971192
Area
461940365868804
Diagonal
30395406.424945
Surface area
2771642195212824
Volume
9.9283909716643E+21
Space diagonal
37226618.132815
Perimeter
64478394
Area
2.0002604593793E+14
Altitude
18613309.066407
Surface area
2.0002604593793E+14
Volume
1.1700720970559E+21
Height
10131802.141648