19994387 is an odd 8-digits composite number following 19994386
and preceding 19994388 . In scientific notation, it is written as 1.9994387 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 17061192 positive integers (up to 19994387) that are relatively prime to 19994387.
19994387 has 8 divisors, whose sum is 22953216
The reverse of 19994387 is 78349991
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred ninety-four thousand three hundred eighty-seven
Scientific notation
1.9994387 × 10^7
Engineering notation
1.9994387 × 10^6
Prime Factorization
7 × 227 × 12583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19994387
Product of the distinct prime numbers
The prime factorization of 19994387 is 7 × 227 × 12583.
Since it has a total of 3 prime factors.
1 , 8 , 92 , 29 , 739 , 695 , 270 , 5979 , 10266 , 17578 , 95281 , 167145 , 117843 , 4568813 , 12176022 , 46695981 , 427232920 , 232941235 , 7203949487 , 6308669188
n×2
39988774
n×3
59983161
n×4
79977548
n×5
99971935
n÷2
9997193.5
n÷3
6664795.6666667
n÷3
4998596.75
n÷5
3998877.4
n2
399775511505769
n3
7.9932662901693E+21
n4
1.598204595997E+29
n5
3.1955121197543E+36
2 √n
4471.5083584849
3 √n
271.41636590677
4 √n
66.869337954588
5 √n
28.852378361386
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
-19994386
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 19994387 can be divided by 8 positive divisors.
The sum of these divisors (counting 19994387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010001011100010011
3
Ternary
1101121211010212
4
Quaternary
1030101130103
5
Quinary
20104310022
6
Senary
1552314335
8
Octal
114213423
10
Decimal
19994387
12
Duodecimal
68429ab
16
Hexadecimal
1311713
20
Vigesimal
64j5j7
36
Base36
bwjrn
md5
c79ba7f4774b3f0ba74cda7ebf65cf93
sha1
cf9a8d06ca281b615978c78ddbad6ff7222964c2
sha256
b686211c6c9782022ebb88a7661c422231345f9b39aa2465dcd72a8d78b1795b
sha512
4ae251980903586d5b50e41e86b4cc05cb44168a43f61735298937165d58ea5e8dfbf125b8c4eade606abb16943f50efd6aba8d97160894ef875338f6bea506c
ripemd-160
5268ef3f0c037777e7a13a9a4b3cd44a688c1f7d
Diameter
39988774
Circumference
125628438.62446
Area
1.2559318100316E+15
Volume
3.348211554051E+22
Surface area
5.0237272401265E+15
Circumference
125628438.62446
Perimeter
79977548
Area
399775511505769
Diagonal
28276333.266736
Surface area
2398653069034614
Volume
7.9932662901693E+21
Space diagonal
34631294.150195
Perimeter
59983161
Area
1.7310787438746E+14
Altitude
17315647.075097
Surface area
1.7310787438746E+14
Volume
9.4201546626809E+20
Height
9425444.4222454