19990420 is an even 8-digits composite number following 19990419
and preceding 19990421 . In scientific notation, it is written as 1.9990420 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 7996160 positive integers (up to 19990420) that are relatively prime to 19990420.
19990420 has 12 divisors, whose sum is 41979924
The reverse of 19990420 is 02409991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million nine hundred ninety thousand four hundred twenty
Scientific notation
1.9990420 × 10^7
Engineering notation
1.9990420 × 10^6
Prime Factorization
2 × 2 × 5 × 999521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9995210
Product of the distinct prime numbers
The prime factorization of 19990420 is 2 × 2 × 5 × 999521.
Since it has a total of 4 prime factors.
6 , 6 , 91 , 76 , 11 , 415 , 5120 , 7042 , 95920 , 82540 , 636273 , 128662 , 5402704 , 1624255 , 295598 , 1293009 , 335124542 , 779641572 , 5935551100 , 3107139049
n×2
39980840
n×3
59971260
n×4
79961680
n×5
99952100
n÷2
9995210
n÷3
6663473.3333333
n÷3
4997605
n÷5
3998084
n2
399616891776400
n3
7.9885095057048E+21
n4
1.5969366019303E+29
n5
3.192343338596E+36
2 √n
4471.0647501462
3 √n
271.39841453638
4 √n
66.866020893621
5 √n
28.851233375349
1 , 2 , 4 , 5 , 10 , 20 , 999521 , 1999042 , 3998084 , 4997605 , 9995210 , 19990420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19990419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19990420 can be divided by 12 positive divisors.
The sum of these divisors (counting 19990420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010000011110010100
3
Ternary
1101121121200221
4
Quaternary
1030100132110
5
Quinary
20104143140
6
Senary
1552244124
8
Octal
114203624
10
Decimal
19990420
12
Duodecimal
6840644
16
Hexadecimal
1310794
20
Vigesimal
64ig10
36
Base36
bwgpg
md5
d427f2d5df6193ecf4511d55a1a6bbc7
sha1
9886ca52c7aaab486c6426f9e6c142d8767b6956
sha256
10e95e48657bfc672b3557197e4ebb5b9d1fdb1889997062ef4a319bedc61cfe
sha512
047decc591dfbb98632ae90236b2d070906ab8e4d74f46e27ce10687c849e12dd1ccf050c5706baed608a5d626965a30d1282eb8a6fee72667c589e781acfd65
ripemd-160
4694f80ab64c6110b498db14e4a67bf08dfa1009
Diameter
39980840
Circumference
125603513.22835
Area
1.2554334914551E+15
Volume
3.3462190368339E+22
Surface area
5.0217339658205E+15
Circumference
125603513.22835
Perimeter
79961680
Area
399616891776400
Diagonal
28270723.081534
Surface area
2397701350658400
Volume
7.9885095057048E+21
Space diagonal
34624423.104641
Perimeter
59971260
Area
1.7303919002987E+14
Altitude
17312211.552321
Surface area
1.7303919002987E+14
Volume
9.4145487384284E+20
Height
9423574.3605115