189947981 is an odd 9-digits composite number following 189947980
and preceding 189947982 . In scientific notation, it is written as 1.89947981 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 189627072 positive integers (up to 189947981) that are relatively prime to 189947981.
189947981 has 4 divisors, whose sum is 190268892
The reverse of 189947981 is 189749981
Previous prime number is 593
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred eighty-nine million nine hundred forty-seven thousand nine hundred eighty-one
Scientific notation
1.89947981 × 10^8
Engineering notation
1.89947981 × 10^6
Prime Factorization
593 × 320317
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
189947981
Product of the distinct prime numbers
The prime factorization of 189947981 is 593 × 320317.
Since it has a total of 2 prime factors.
2 , 1 , 91 , 2 , 933 , 361 , 1242 , 26 , 2056 , 19514 , 770452 , 664074 , 3932709 , 9733900 , 18961262 , 66060640 , 893365134 , 970702036 , 4159360968 , 4106922787
n×2
379895962
n×3
569843943
n×4
759791924
n×5
949739905
n÷2
94973990.5
n÷3
63315993.666667
n÷3
47486995.25
n÷5
37989596.2
n2
36080235485976361
n3
6.8533678845658E+24
n4
1.3017833927235E+33
n5
2.4727112714716E+41
2 √n
13782.161695467
3 √n
574.8372378641
4 √n
117.39745182698
5 √n
45.261290900608
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
-189947980
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 189947981 can be divided by 4 positive divisors.
The sum of these divisors (counting 189947981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010100100110000001001101
3
Ternary
111020102100122102
4
Quaternary
23110212001031
5
Quinary
342111313411
6
Senary
30503124445
8
Octal
1324460115
10
Decimal
189947981
12
Duodecimal
53743725
16
Hexadecimal
b52604d
20
Vigesimal
2j739j1
36
Base36
3538st
md5
72de93a1250a8b65440334595114869e
sha1
3df1678ecacbc37d36801b35bf2c7b468b25a524
sha256
c7f71a65d70c06a325783b7b9b1029118dd18fad6bb2d70bf512ea2fc9700667
sha512
5fb3ff3ce6365636c6baa67dc19370bd62948334b7a7d1790ac70d58d30571cafaef351f0cc6b00218349d7990754f71d68966eee5f0909465477dae92926c2d
ripemd-160
c1fff83d4027bde56792b9aa182aee9177a93bdf
Diameter
379895962
Circumference
1193478363.3476
Area
1.1334940274253E+17
Volume
2.8707320264667E+25
Surface area
4.5339761097013E+17
Circumference
1193478363.3476
Perimeter
759791924
Area
36080235485976361
Diagonal
268627010.87559
Surface area
216481412915858166
Volume
6.8533678845658E+24
Space diagonal
328999553.88713
Perimeter
569843943
Area
1.562320025269E+16
Altitude
164499776.94356
Surface area
1.562320025269E+16
Volume
8.0767715085709E+23
Height
89542336.958529