189970981 is an odd 9-digits composite number following 189970980
and preceding 189970982 . In scientific notation, it is written as 1.89970981 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 187682092 positive integers (up to 189970981) that are relatively prime to 189970981.
189970981 has 4 divisors, whose sum is 192259872
The reverse of 189970981 is 189079981
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred eighty-nine million nine hundred seventy thousand nine hundred eighty-one
Scientific notation
1.89970981 × 10^8
Engineering notation
1.89970981 × 10^6
Prime Factorization
83 × 2288807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
189970981
Product of the distinct prime numbers
The prime factorization of 189970981 is 83 × 2288807.
Since it has a total of 2 prime factors.
3 , 5 , 40 , 21 , 868 , 916 , 2633 , 1869 , 52099 , 15445 , 510612 , 878709 , 6461490 , 7741194 , 68230952 , 4991355 , 9846273 , 391060402 , 9792493283 , 8508894930
n×2
379941962
n×3
569912943
n×4
759883924
n×5
949854905
n÷2
94985490.5
n÷3
63323660.333333
n÷3
47492745.25
n÷5
37994196.2
n2
36088973622102361
n3
6.8558577222739E+24
n4
1.3024140170968E+33
n5
2.4742086849603E+41
2 √n
13782.99608213
3 √n
574.86043846671
4 √n
117.40100545621
5 √n
45.262386947292
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
-189970980
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 189970981 can be divided by 4 positive divisors.
The sum of these divisors (counting 189970981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010100101011101000100101
3
Ternary
111020110112012021
4
Quaternary
23110223220211
5
Quinary
342113032411
6
Senary
30503423141
8
Octal
1324535045
10
Decimal
189970981
12
Duodecimal
53754ab1
16
Hexadecimal
b52ba25
20
Vigesimal
2j76791
36
Base36
353qjp
md5
dde6b5372f33b2a40f7a1ce435214c4f
sha1
f19c4c5bf959bfd5accd87310125deb889dcf250
sha256
0411ea2f863391ad8ed71b74089c5647d96d5c4665b2dd4c9df05c22679ef9fa
sha512
5cbbbef08abe33281955c9b5b8d18df899095863a635f4e87610ccaa082c531c02eb8a607cac831c3442b3a2b13a8adf5d842626a725526d17643c7e179652c3
ripemd-160
fa2a9603d38fee7973b3b30d74e395385e6b8755
Diameter
379941962
Circumference
1193622876.6097
Area
1.1337685440679E+17
Volume
2.871774967247E+25
Surface area
4.5350741762717E+17
Circumference
1193622876.6097
Perimeter
759883924
Area
36088973622102361
Diagonal
268659537.78752
Surface area
216533841732614166
Volume
6.8558577222739E+24
Space diagonal
329039391.0557
Perimeter
569912943
Area
1.5626983976624E+16
Altitude
164519695.52785
Surface area
1.5626983976624E+16
Volume
8.0797058104501E+23
Height
89553179.262507