120405945 is an odd 9-digits composite number following 120405944
and preceding 120405946 . In scientific notation, it is written as 1.20405945 × 10^8.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 54743040 positive integers (up to 120405945) that are relatively prime to 120405945.
120405945 has 32 divisors, whose sum is 158304000
The reverse of 120405945 is 549504021
Previous prime number is 199
Is Prime? no Number parity odd Number length 9 Sum of Digits 30 Digital Root 3
Name
one hundred twenty million four hundred five thousand nine hundred forty-five
Scientific notation
1.20405945 × 10^8
Engineering notation
1.20405945 × 10^6
Prime Factorization
33 × 5 × 19 × 199 × 193
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
120405945 Product of the distinct prime numbers
The prime factorization of 120405945 is 33 × 5 × 19 × 199 × 193.
Since it has a total of 5 prime factors.
7 , 3 , 78 , 94 , 24 , 1000 , 286 , 8248 , 56844 , 56492 , 186916 , 702353 , 4209176 , 1915436 , 85281630 , 85828274 , 261142376 , 671746675 , 4423191986 , 8740857839
n×2
240811890
n×3
361217835
n×4
481623780
n×5
602029725
n÷2
60202972.5
n÷3
40135315
n÷3
30101486.25
n÷5
24081189
n2
14497591591343025
n3
1.7455962157797E+24
n4
2.1018016194938E+32
n5
2.5306941019768E+40
2 √n10972.964275892
3 √n493.79798134366
4 √n104.75191776713
5 √n41.317076675725
1 , 5 , 19 , 33 , 95 , 165 , 193 , 199 , 627 , 965 , 995 , 3135 , 3667 , 3781 , 6369 , 6567 , 18335 , 18905 , 31845 , 32835 , 38407 , 121011 , 124773 , 192035 , 605055 , 623865 , 729733 , 1267431 , 3648665 , 6337155 , 24081189 , 120405945
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-120405944 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 120405945 can be divided by 32 positive divisors.
The sum of these divisors (counting 120405945) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111001011010011111110111001
3
Ternary
22101120020220110
4
Quaternary
13023103332321
5
Quinary
221310442240
6
Senary
15540414533
8
Octal
713237671
10
Decimal
120405945
12
Duodecimal
343a7449
16
Hexadecimal
72d3fb9
20
Vigesimal
1hcaeh5
36
Base36
1zoptl
md5
ec0cd0a1739b97c29c93ccbb8eaf9803
sha1
159189760baf65c6ea996458abfd5f4798976a77
sha256
f6e565975ceb5cbae92ecfe7888eca97ee937c637bf8451dabd7de00e67b258e
sha512
bbbf8dac906166ba28ed4ae7a7e44abb2b195e42c68081d9b808789a720b5803bd048ba5fd1f6c67e23df6a8768447d0851894b97cb098f17126a04bf24d1648
ripemd-160
b5fabd6644e182e275dd990af85211d94501154c
Diameter
240811890
Circumference
756532864.52107
Area
4.5545527238108E+16
Volume
7.3119363301702E+24
Surface area
1.8218210895243E+17
Circumference
756532864.52107
Perimeter
481623780
Area
14497591591343025
Diagonal
170279720.40935
Surface area
86985549548058150
Volume
1.7455962157797E+24
Space diagonal
208549214.27334
Perimeter
361217835
Area
6.2776413058974E+15
Altitude
104274607.13667
Surface area
6.2776413058974E+15
Volume
2.0572048689857E+23
Height
56759906.803116