130989905 is an odd 9-digits composite number following 130989904
and preceding 130989906 . In scientific notation, it is written as 1.30989905 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 104791920 positive integers (up to 130989905) that are relatively prime to 130989905.
130989905 has 4 divisors, whose sum is 157187892
The reverse of 130989905 is 509989031
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred thirty million nine hundred eighty-nine thousand nine hundred five
Scientific notation
1.30989905 × 10^8
Engineering notation
1.30989905 × 10^6
Prime Factorization
5 × 26197981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
130989905
Product of the distinct prime numbers
The prime factorization of 130989905 is 5 × 26197981.
Since it has a total of 2 prime factors.
6 , 3 , 24 , 99 , 447 , 434 , 9705 , 3416 , 36766 , 19226 , 941190 , 405465 , 1483914 , 5931546 , 1327089 , 79671162 , 42950162 , 490920137 , 8845636941 , 6847030800
n×2
261979810
n×3
392969715
n×4
523959620
n×5
654949525
n÷2
65494952.5
n÷3
43663301.666667
n÷3
32747476.25
n÷5
26197981
n2
17158355211909025
n3
2.2475713191642E+24
n4
2.9440915357805E+32
n5
3.8564627058319E+40
2 √n
11445.082131641
3 √n
507.86226167349
4 √n
106.98169063742
5 √n
42.019179273737
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
-130989904
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 130989905 can be divided by 4 positive divisors.
The sum of these divisors (counting 130989905) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110011101011111101010001
3
Ternary
100010110222100222
4
Quaternary
13303223331101
5
Quinary
232013134110
6
Senary
20555322425
8
Octal
763537521
10
Decimal
130989905
12
Duodecimal
37a50415
16
Hexadecimal
7cebf51
20
Vigesimal
20idef5
36
Base36
25zkgh
md5
0e078ce5b8fbb228139e67c68ad42b9a
sha1
a172da8972534da2a7ae76241e8e04246cd0c677
sha256
2999fe068ba038f23c177353d2a57fc34943ddc92a6f6f86908a72260de66ae6
sha512
c3ee1683b8c785bfe06e9ff644c6c39c34368fd07fc8c1b5cdc14de8958c04b2050706a337a1e4dbce96bebad8c85f9a7bb94573da2b46a5268af70c11919ea4
ripemd-160
9ce030345de9a46fc64472eb8d4752ccc9db0813
Diameter
261979810
Circumference
823033846.48485
Area
5.3904562681418E+16
Volume
9.4146047262739E+24
Surface area
2.1561825072567E+17
Circumference
823033846.48485
Perimeter
523959620
Area
17158355211909025
Diagonal
185247700.18496
Surface area
102950131271454150
Volume
2.2475713191642E+24
Space diagonal
226881170.73862
Perimeter
392969715
Area
7.4297857503352E+15
Altitude
113440585.36931
Surface area
7.4297857503352E+15
Volume
2.6487882016357E+23
Height
61749233.394988