21242019 is an odd 8-digits composite number following 21242018
and preceding 21242020 . In scientific notation, it is written as 2.1242019 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13415976 positive integers (up to 21242019) that are relatively prime to 21242019.
21242019 has 8 divisors, whose sum is 29813440
The reverse of 21242019 is 91024212
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred forty-two thousand nineteen
Scientific notation
2.1242019 × 10^7
Engineering notation
2.1242019 × 10^6
Prime Factorization
3 × 19 × 372667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21242019
Product of the distinct prime numbers
The prime factorization of 21242019 is 3 × 19 × 372667.
Since it has a total of 3 prime factors.
3 , 4 , 13 , 16 , 394 , 889 , 9393 , 2620 , 16729 , 18910 , 368128 , 580860 , 3083085 , 9766297 , 4540231 , 36659239 , 601161025 , 79547151 , 4314614753 , 8171192525
n×2
42484038
n×3
63726057
n×4
84968076
n×5
106210095
n÷2
10621009.5
n÷3
7080673
n÷3
5310504.75
n÷5
4248403.8
n2
451223371196361
n3
9.5848954241972E+21
n4
2.0360253071381E+29
n5
4.3249288258708E+36
2 √n
4608.9064863588
3 √n
276.94823240737
4 √n
67.888927568189
5 √n
29.203786083518
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21242018
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21242019 can be divided by 8 positive divisors.
The sum of these divisors (counting 21242019) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001000010000010100011
3
Ternary
1110222012120110
4
Quaternary
1101002002203
5
Quinary
20414221034
6
Senary
2035142403
8
Octal
121020243
10
Decimal
21242019
12
Duodecimal
7144a03
16
Hexadecimal
14420a3
20
Vigesimal
6cf50j
36
Base36
cnag3
md5
79bded2f21cdb6faa822bf4215560ac9
sha1
f56a7e6212f188da503d8043249848a452995062
sha256
a2da6600dfa6acc6efb6265538efa25c2dddd6b2ed551d91ca5e44bbacb22610
sha512
aae6c84029e9854328ab285631032512212991891e70eb9d4b3bc6e889fed0d0441ef862ca7b0a5fa356dfe4598f5c680c4b9b5ebfee3009fe35bbf614edec46
ripemd-160
4e3b2ed96d78e292722b18db212dd21aa41c229a
Diameter
42484038
Circumference
133467541.67563
Area
1.4175600280785E+15
Volume
4.0149116066779E+22
Surface area
5.670240112314E+15
Circumference
133467541.67563
Perimeter
84968076
Area
451223371196361
Diagonal
30040751.361987
Surface area
2707340227178166
Volume
9.5848954241972E+21
Space diagonal
36792256.163343
Perimeter
63726057
Area
1.9538545111865E+14
Altitude
18396128.081672
Surface area
1.9538545111865E+14
Volume
1.129590758569E+21
Height
10013583.787329