19990764 is an even 8-digits composite number following 19990763
and preceding 19990765 . In scientific notation, it is written as 1.9990764 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 6642720 positive integers (up to 19990764) that are relatively prime to 19990764.
19990764 has 24 divisors, whose sum is 38992800
The reverse of 19990764 is 46709991
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred ninety thousand seven hundred sixty-four
Scientific notation
1.9990764 × 10^7
Engineering notation
1.9990764 × 10^6
Prime Factorization
2 × 2 × 9 × 421 × 1319
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9995382
Product of the distinct prime numbers
The prime factorization of 19990764 is 2 × 2 × 9 × 421 × 1319.
Since it has a total of 5 prime factors.
10 , 10 , 71 , 92 , 345 , 508 , 4640 , 5032 , 75144 , 74323 , 479948 , 891659 , 1832582 , 507507 , 65928000 , 31885845 , 433139195 , 255523368 , 2947807271 , 3050572898
n×2
39981528
n×3
59972292
n×4
79963056
n×5
99953820
n÷2
9995382
n÷3
6663588
n÷3
4997691
n÷5
3998152.8
n2
399630645303696
n3
7.9889219174339E+21
n4
1.5970465266585E+29
n5
3.1926180211449E+36
2 √n
4471.1032195645
3 √n
271.39997129072
4 √n
66.866308553445
5 √n
28.851332670471
1 , 2 , 4 , 9 , 18 , 36 , 421 , 842 , 1319 , 1684 , 2638 , 3789 , 5276 , 7578 , 11871 , 15156 , 23742 , 47484 , 555299 , 1110598 , 2221196 , 4997691 , 9995382 , 19990764
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19990763
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19990764 can be divided by 24 positive divisors.
The sum of these divisors (counting 19990764) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010000100011101100
3
Ternary
1101121122011200
4
Quaternary
1030100203230
5
Quinary
20104201024
6
Senary
1552245500
8
Octal
114204354
10
Decimal
19990764
12
Duodecimal
6840890
16
Hexadecimal
13108ec
20
Vigesimal
64igi4
36
Base36
bwgz0
md5
ff7a6c00103e1a7ea7cb6b5c067ff7b1
sha1
bbe17273fe235361a8ba4640db9bdf9ddf96909d
sha256
c9430c26c6c863204974b20dbeb6409715c15de87f94dd9ab5c8ccc3eca35c67
sha512
9be8dd7fc2a5ce81ff56f89c416ebc05cfecfee2c8d01ad448a4ffed590f241f3e937b6709a49aff7e061c30b69b36a366cacb2aafef3bed2b469fd80a82bb97
ripemd-160
b3b74320b7740058abaf798b36c4cc8359b74fe9
Diameter
39981528
Circumference
125605674.64409
Area
1.2554766994354E+15
Volume
3.346391787455E+22
Surface area
5.0219067977418E+15
Circumference
125605674.64409
Perimeter
79963056
Area
399630645303696
Diagonal
28271209.571
Surface area
2397783871822176
Volume
7.9889219174339E+21
Space diagonal
34625018.930119
Perimeter
59972292
Area
1.7304514548188E+14
Altitude
17312509.465059
Surface area
1.7304514548188E+14
Volume
9.4150347703122E+20
Height
9423736.5236666