381219985 is an odd 9-digits composite number following 381219984
and preceding 381219986 . In scientific notation, it is written as 3.81219985 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 287036160 positive integers (up to 381219985) that are relatively prime to 381219985.
381219985 has 8 divisors, whose sum is 484373736
The reverse of 381219985 is 589912183
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
three hundred eighty-one million two hundred nineteen thousand nine hundred eighty-five
Scientific notation
3.81219985 × 10^8
Engineering notation
3.81219985 × 10^6
Prime Factorization
5 × 17 × 4484941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
381219985
Product of the distinct prime numbers
The prime factorization of 381219985 is 5 × 17 × 4484941.
Since it has a total of 3 prime factors.
2 , 6 , 88 , 87 , 777 , 599 , 3434 , 2310 , 66351 , 78961 , 666676 , 105073 , 678915 , 3443557 , 9760134 , 95792221 , 912318628 , 338871170 , 351795608 , 7665145752
n×2
762439970
n×3
1143659955
n×4
1524879940
n×5
1906099925
n÷2
190609992.5
n÷3
127073328.33333
n÷3
95304996.25
n÷5
76243997
n2
145328676963400225
n3
5.5402196052057E+25
n4
2.1120424347932E+34
n5
8.0515278531124E+42
2 √n
19524.855569248
3 √n
725.08995158191
4 √n
139.73136931
5 √n
52.027760452301
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-381219984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 381219985 can be divided by 8 positive divisors.
The sum of these divisors (counting 381219985) is 1, the average is 0.125.
Base
System
Value
2
Binary
10110101110001111010010010001
3
Ternary
222120022222111201
4
Quaternary
112232033102101
5
Quinary
1240043014420
6
Senary
101454511201
8
Octal
2656172221
10
Decimal
381219985
12
Duodecimal
a7805501
16
Hexadecimal
16b8f491
20
Vigesimal
5j2c9j5
36
Base36
6ayv81
md5
cdd36756cda215635c0f530cbd7ee22d
sha1
00d4e4ec3785e362086fa97225d95053a8f31add
sha256
a48155ce31fc24584e4e564755c321e09c13b446c57fd1b4b417fec40980cbdc
sha512
89bc3b88e37db142c9b84d51542232ebd7a809ad6ea1dd3b4275705a8c4867c3bc13c6ffe890b45674b3bbf60c7f1712ece9bfd49aa28aaa56e8c43c49e0388c
ripemd-160
50818823fcf024e0c8e78e98354c7c69fc3d3cf8
Diameter
762439970
Circumference
2395275808.5552
Area
4.5656350390414E+17
Volume
2.3206817614651E+26
Surface area
1.8262540156166E+18
Circumference
2395275808.5552
Perimeter
1524879940
Area
145328676963400225
Diagonal
539126473.03467
Surface area
871972061780401350
Volume
5.5402196052057E+25
Space diagonal
660292382.88065
Perimeter
1143659955
Area
6.2929163074343E+16
Altitude
330146191.44032
Surface area
6.2929163074343E+16
Volume
6.5292114201727E+24
Height
179708824.34489