189870785 is an odd 9-digits composite number following 189870784
and preceding 189870786 . In scientific notation, it is written as 1.89870785 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 140212224 positive integers (up to 189870785) that are relatively prime to 189870785.
189870785 has 8 divisors, whose sum is 245371560
The reverse of 189870785 is 587078981
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred eighty-nine million eight hundred seventy thousand seven hundred eighty-five
Scientific notation
1.89870785 × 10^8
Engineering notation
1.89870785 × 10^6
Prime Factorization
5 × 13 × 2921089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
189870785
Product of the distinct prime numbers
The prime factorization of 189870785 is 5 × 13 × 2921089.
Since it has a total of 3 prime factors.
7 , 9 , 50 , 56 , 361 , 169 , 2981 , 2179 , 27747 , 32963 , 297330 , 888359 , 5568496 , 5020774 , 43442747 , 51688264 , 49259721 , 758183691 , 1961179551 , 7868352708
n×2
379741570
n×3
569612355
n×4
759483140
n×5
949353925
n÷2
94935392.5
n÷3
63290261.666667
n÷3
47467696.25
n÷5
37974157
n2
36050914996516225
n3
6.8450155303568E+24
n4
1.299668472086E+33
n5
2.4676907303473E+41
2 √n
13779.360834233
3 √n
574.75935487744
4 √n
117.3855222514
5 √n
45.257611410335
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
-189870784
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 189870785 can be divided by 8 positive divisors.
The sum of these divisors (counting 189870785) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011010100010011001011000001
3
Ternary
111020021102202022
4
Quaternary
23110103023001
5
Quinary
342101331120
6
Senary
30501331225
8
Octal
1324231301
10
Decimal
189870785
12
Duodecimal
53706b15
16
Hexadecimal
b5132c1
20
Vigesimal
2j6dgj5
36
Base36
351l8h
md5
f0b5da366358de7b021e55d7b7dbb336
sha1
17ff961d978543118331cf6952ec08e50ec06717
sha256
9b05d5c74cc9f4c0d35a58767ad9ffa362c91d699fce8a9386a839cc36edf628
sha512
76fcfa434a51492757d402c0d79a6918e933952919cb3db8f16cf5fcd446ebffd321f903e974acaa09f1d1d751d50b44c66dc8fc7c88cc378bcc387c9fe6dae0
ripemd-160
f39003d37f57cdeaff9537099b76b8a9a0f653cc
Diameter
379741570
Circumference
1192993326.5747
Area
1.1325728970825E+17
Volume
2.8672334005169E+25
Surface area
4.5302915883298E+17
Circumference
1192993326.5747
Perimeter
759483140
Area
36050914996516225
Diagonal
268517839.24543
Surface area
216305489979097350
Volume
6.8450155303568E+24
Space diagonal
328865846.49299
Perimeter
569612355
Area
1.5610504108328E+16
Altitude
164432923.24649
Surface area
1.5610504108328E+16
Volume
8.0669281647376E+23
Height
89505946.415142