19989245 is an odd 8-digits composite number following 19989244
and preceding 19989246 . In scientific notation, it is written as 1.9989245 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 15991392 positive integers (up to 19989245) that are relatively prime to 19989245.
19989245 has 4 divisors, whose sum is 23987100
The reverse of 19989245 is 54298991
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred eighty-nine thousand two hundred forty-five
Scientific notation
1.9989245 × 10^7
Engineering notation
1.9989245 × 10^6
Prime Factorization
5 × 3997849
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19989245
Product of the distinct prime numbers
The prime factorization of 19989245 is 5 × 3997849.
Since it has a total of 2 prime factors.
8 , 1 , 5 , 28 , 794 , 862 , 7169 , 4623 , 49175 , 16829 , 827706 , 324736 , 5475864 , 7033635 , 14592936 , 29890236 , 804059201 , 54900736 , 9833059905 , 4050899753
n×2
39978490
n×3
59967735
n×4
79956980
n×5
99946225
n÷2
9994622.5
n÷3
6663081.6666667
n÷3
4997311.25
n÷5
3997849
n2
399569915670025
n3
7.9871009389575E+21
n4
1.5965611750855E+29
n5
3.1914052486272E+36
2 √n
4470.9333477474
3 √n
271.39309699953
4 √n
66.865038306632
5 √n
28.850894202923
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19989244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989245 can be divided by 4 positive divisors.
The sum of these divisors (counting 19989245) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000001011111101
3
Ternary
1101121120002102
4
Quaternary
1030100023331
5
Quinary
20104123440
6
Senary
1552234445
8
Octal
114201375
10
Decimal
19989245
12
Duodecimal
683ba25
16
Hexadecimal
13102fd
20
Vigesimal
64id25
36
Base36
bwfst
md5
1fdd614884e6ef09ef804dd42b5f027a
sha1
29bf247a3cec3c7e13522df83bad7263591b54a0
sha256
872b4db45f72d797e3c732f27ac01e2de3f0501b4366e1aef1a4d56453eb5c8c
sha512
6e554d270948e2b2285ea2a8b3f75e4a0e77937d0dae944ef3e3fbc488ea394948fefc31d038eb0cd900b8725ae3fb11fe21e9fe2248a06a1a6b9a4a59f5b99a
ripemd-160
07ed76f04aac3a1f0257e1d65660868236f20df7
Diameter
39978490
Circumference
125596130.48561
Area
1.2552859116644E+15
Volume
3.3456290177745E+22
Surface area
5.0211436466578E+15
Circumference
125596130.48561
Perimeter
79956980
Area
399569915670025
Diagonal
28269061.380599
Surface area
2397419494020150
Volume
7.9871009389575E+21
Space diagonal
34622387.944942
Perimeter
59967735
Area
1.7301884877912E+14
Altitude
17311193.972471
Surface area
1.7301884877912E+14
Volume
9.4128887265971E+20
Height
9423020.4601995