21420120 is an even 8-digits composite number following 21420119
and preceding 21420121 . In scientific notation, it is written as 2.1420120 × 10^7.
The sum of its digits is 12. It has a total of 5 prime factors and 16 positive divisors.
There are 5712000 positive integers (up to 21420120) that are relatively prime to 21420120.
21420120 has 16 divisors, whose sum is 42840480
The reverse of 21420120 is 02102412
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million four hundred twenty thousand one hundred twenty
Scientific notation
2.1420120 × 10^7
Engineering notation
2.1420120 × 10^6
Prime Factorization
2 × 2 × 2 × 15 × 178501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5355030
Product of the distinct prime numbers
The prime factorization of 21420120 is 2 × 2 × 2 × 15 × 178501.
Since it has a total of 5 prime factors.
8 , 7 , 21 , 76 , 65 , 448 , 5817 , 1753 , 47410 , 90692 , 558516 , 438788 , 4080547 , 7843866 , 35391375 , 90083249 , 380844708 , 743766418 , 9729086843 , 9080189178
n×2
42840240
n×3
64260360
n×4
85680480
n×5
107100600
n÷2
10710060
n÷3
7140040
n÷3
5355030
n÷5
4284024
n2
458821540814400
n3
9.8280124628293E+21
n4
2.105172063153E+29
n5
4.5093038213385E+36
2 √n
4628.1875502188
3 √n
277.72009160631
4 √n
68.030783842454
5 √n
29.25259375239
1 , 2 , 4 , 8 , 15 , 30 , 60 , 120 , 178501 , 357002 , 714004 , 1428008 , 2677515 , 5355030 , 10710060 , 21420120
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
-21420119
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 21420120 can be divided by 16 positive divisors.
The sum of these divisors (counting 21420120) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001101101100001011000
3
Ternary
1111022020212210
4
Quaternary
1101231201120
5
Quinary
20440420440
6
Senary
2043035120
8
Octal
121554130
10
Decimal
21420120
12
Duodecimal
720baa0
16
Hexadecimal
146d858
20
Vigesimal
6dha60
36
Base36
cr3vc
md5
147520523775bbe7151dcadb388b7d47
sha1
686a7fcac8dcc73a1576a1dd7c383355c745741a
sha256
2f096f50e53e7bffd4c3c7a8da1f7fbd93c41f2b8682a9d2d0c28c97e2573642
sha512
22c7cd220c7007d2fe19a4938adf6cf03a7e003c876253f629ea627ae4729c96693ce22f2438408961ba9c5413d12c290328f8ba6478b68bc0a23a025c756fbb
ripemd-160
092103c9090a7a5a371e4e386a71fb81f662c670
Diameter
42840240
Circumference
134586583.26202
Area
1.4414303819313E+15
Volume
4.1167482336818E+22
Surface area
5.7657215277251E+15
Circumference
134586583.26202
Perimeter
85680480
Area
458821540814400
Diagonal
30292624.211659
Surface area
2752929244886400
Volume
9.8280124628293E+21
Space diagonal
37100736.144222
Perimeter
64260360
Area
1.9867555507439E+14
Altitude
18550368.072111
Surface area
1.9867555507439E+14
Volume
1.1582423763421E+21
Height
10097541.403886