189997889 is an odd 9-digits composite number following 189997888
and preceding 189997890 . In scientific notation, it is written as 1.89997889 × 10^8.
The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors.
There are 189868800 positive integers (up to 189997889) that are relatively prime to 189997889.
189997889 has 4 divisors, whose sum is 190126980
The reverse of 189997889 is 988799981
Previous prime number is 1489
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 68
Digital Root 5
Name
one hundred eighty-nine million nine hundred ninety-seven thousand eight hundred eighty-nine
Scientific notation
1.89997889 × 10^8
Engineering notation
1.89997889 × 10^6
Prime Factorization
1489 × 127601
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
189997889
Product of the distinct prime numbers
The prime factorization of 189997889 is 1489 × 127601.
Since it has a total of 2 prime factors.
2 , 7 , 35 , 27 , 610 , 11 , 9899 , 2782 , 59778 , 73600 , 182491 , 854646 , 1629854 , 6888260 , 13380888 , 79252835 , 782334289 , 182432342 , 6257280271 , 5053747754
n×2
379995778
n×3
569993667
n×4
759991556
n×5
949989445
n÷2
94998944.5
n÷3
63332629.666667
n÷3
47499472.25
n÷5
37999577.8
n2
36099197824456321
n3
6.8587713812401E+24
n4
1.3031520835692E+33
n5
2.4759614492411E+41
2 √n
13783.972177859
3 √n
574.88757877752
4 √n
117.40516248385
5 √n
45.263669091863
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
-189997888
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 189997889 can be divided by 4 positive divisors.
The sum of these divisors (counting 189997889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010100110010001101000001
3
Ternary
111020111220002212
4
Quaternary
23110302031001
5
Quinary
342114413024
6
Senary
30504151505
8
Octal
1324621501
10
Decimal
189997889
12
Duodecimal
53768595
16
Hexadecimal
b532341
20
Vigesimal
2j79ee9
36
Base36
354bb5
md5
26dbe69f8eb59d37c68396ae3aaad3c4
sha1
446b85a44e01c2c04894453e3756ee88d4cdf0aa
sha256
816ba5fc11fab03ff65f06c66db5a236da968ad6681b641bd2f2cbac164dbad3
sha512
4562e3cf637db7eaf57bfb328d1c9b761566f6131006a06d3e04328394ce67815777113a21a1a53df7da86b0799ac15fe75e91a3cc8fd68b7ec851d830357f85
ripemd-160
6a377efd77d3cb39fd71f78bb290d9d245a1e7fb
Diameter
379995778
Circumference
1193791944.5599
Area
1.134089746858E+17
Volume
2.8729954378608E+25
Surface area
4.5363589874319E+17
Circumference
1193791944.5599
Perimeter
759991556
Area
36099197824456321
Diagonal
268697591.44606
Surface area
216595186946737926
Volume
6.8587713812401E+24
Space diagonal
329085997.07883
Perimeter
569993667
Area
1.563141118611E+16
Altitude
164542998.53942
Surface area
1.563141118611E+16
Volume
8.0831395904718E+23
Height
89565863.815353