194808981 is an odd 9-digits composite number following 194808980
and preceding 194808982 . In scientific notation, it is written as 1.94808981 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 129872652 positive integers (up to 194808981) that are relatively prime to 194808981.
194808981 has 4 divisors, whose sum is 259745312
The reverse of 194808981 is 189808491
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred ninety-four million eight hundred eight thousand nine hundred eighty-one
Scientific notation
1.94808981 × 10^8
Engineering notation
1.94808981 × 10^6
Prime Factorization
3 × 64936327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
194808981
Product of the distinct prime numbers
The prime factorization of 194808981 is 3 × 64936327.
Since it has a total of 2 prime factors.
7 , 1 , 21 , 69 , 584 , 173 , 3185 , 4684 , 59361 , 788 , 592104 , 844921 , 126779 , 735657 , 42739107 , 57788960 , 994590808 , 548322531 , 6010509507 , 6088533808
n×2
389617962
n×3
584426943
n×4
779235924
n×5
974044905
n÷2
97404490.5
n÷3
64936327
n÷3
48702245.25
n÷5
38961796.2
n2
37950539078258361
n3
7.3931058462362E+24
n4
1.4402434163304E+33
n5
2.8057235232729E+41
2 √n
13957.398790606
3 √n
579.69958778881
4 √n
118.14143553642
5 √n
45.490613608709
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
-194808980
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 194808981 can be divided by 4 positive divisors.
The sum of these divisors (counting 194808981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011100111001000110010010101
3
Ternary
111120120022200110
4
Quaternary
23213020302111
5
Quinary
344332341411
6
Senary
31155233233
8
Octal
1347106225
10
Decimal
194808981
12
Duodecimal
552a8819
16
Hexadecimal
b9c8c95
20
Vigesimal
30hb291
36
Base36
37zfkl
md5
d04fec391870d6cc3b2a8c3d16f218f3
sha1
151585fff3f9d238488cde6c5ca7af0b69146567
sha256
66d1daabdda8326f0de12d19c795a5c8bfde45cde80f726948b0e544375de629
sha512
0c791bd74ef1ce2d68483cd8af2df5be27a2e43d24e34d48dd720e1b8481c8bfadecf2197eb05571c812fa1a3d18a7b40fe51e9f0ae2d1055126b441930fee00
ripemd-160
e4b2ec38832a39f6894462cbbeeef76272ae6188
Diameter
389617962
Circumference
1224020927.1258
Area
1.1922513476803E+17
Volume
3.0968169351663E+25
Surface area
4.7690053907212E+17
Circumference
1224020927.1258
Perimeter
779235924
Area
37950539078258361
Diagonal
275501503.00228
Surface area
227703234469550166
Volume
7.3931058462362E+24
Space diagonal
337419052.86272
Perimeter
584426943
Area
1.6433065464543E+16
Altitude
168709526.43136
Surface area
1.6433065464543E+16
Volume
8.7128587965059E+23
Height
91833834.334094