189845981 is an odd 9-digits composite number following 189845980
and preceding 189845982 . In scientific notation, it is written as 1.89845981 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 6 positive divisors.
There are 175242288 positive integers (up to 189845981) that are relatively prime to 189845981.
189845981 has 6 divisors, whose sum is 205573050
The reverse of 189845981 is 189548981
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 forty-five thousand nine hundred eighty-one
Scientific notation
1.89845981 × 10^8
Engineering notation
1.89845981 × 10^6
Prime Factorization
13 × 13 × 1123349
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
14603537
Product of the distinct prime numbers
The prime factorization of 189845981 is 13 × 13 × 1123349.
Since it has a total of 3 prime factors.
7 , 4 , 56 , 23 , 177 , 362 , 1926 , 9860 , 41323 , 53851 , 565899 , 916975 , 9535700 , 6673754 , 16516364 , 94992289 , 787602482 , 428513957 , 8280854465 , 2130298764
n×2
379691962
n×3
569537943
n×4
759383924
n×5
949229905
n÷2
94922990.5
n÷3
63281993.666667
n÷3
47461495.25
n÷5
37969196.2
n2
36041496501852361
n3
6.8423332601022E+24
n4
1.298989470093E+33
n5
2.4660793025848E+41
2 √n
13778.46076309
3 √n
574.73432565931
4 √n
117.3816883636
5 √n
45.256428891963
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-189845980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 189845981 can be divided by 6 positive divisors.
The sum of these divisors (counting 189845981) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1011010100001101000111011101
3
Ternary
111020020011201122
4
Quaternary
23110031013131
5
Quinary
342100032411
6
Senary
30501020325
8
Octal
1324150735
10
Decimal
189845981
12
Duodecimal
536b46a5
16
Hexadecimal
b50d1dd
20
Vigesimal
2j6aej1
36
Base36
35123h
md5
d78432d2c00eebda00c1e32751d1a9aa
sha1
3ca6a6a60d92efcdc9c5c4f152f1f4189f2aa3c9
sha256
d481589473df29130b94b6bcc4c8a00eb39c26257f4f2414160325520684283c
sha512
c3256a8c61c7f6cd1015f3f8f8275716e84af6b5ab3c00e28986b909863528830dfc56410da9157626ba454a0fab384f2affb5e04d9dae9eb19526d1289432bc
ripemd-160
bff40b7004d7e82f17bf877ae7dfb8c3c63a379a
Diameter
379691962
Circumference
1192837478.4463
Area
1.132277006346E+17
Volume
2.86610985378E+25
Surface area
4.5291080253841E+17
Circumference
1192837478.4463
Perimeter
759383924
Area
36041496501852361
Diagonal
268482761.09222
Surface area
216248979011114166
Volume
6.8423332601022E+24
Space diagonal
328822884.70476
Perimeter
569537943
Area
1.5606425780506E+16
Altitude
164411442.35238
Surface area
1.5606425780506E+16
Volume
8.0637670789276E+23
Height
89494253.697408