381242761 is an odd 9-digits prime number following 381242760
and preceding 381242762 . In scientific notation, it is written as 3.81242761 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 381242760 positive integers (up to 381242761) that are relatively prime to 381242761.
381242761 has 2 divisors, whose sum is 381242762
The reverse of 381242761 is 167242183
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
three hundred eighty-one million two hundred forty-two thousand seven hundred sixty-one
Scientific notation
3.81242761 × 10^8
Engineering notation
3.81242761 × 10^6
Prime Factorization
381242761
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
381242761
Product of the distinct prime numbers
The prime factorization of 381242761 is 381242761.
Since it has a total of 1 prime factors.
6 , 3 , 77 , 86 , 732 , 888 , 1457 , 9810 , 65464 , 44442 , 443859 , 108958 , 7057340 , 8796569 , 51757506 , 39598292 , 935563607 , 769623380 , 7310397873 , 2442841083
n×2
762485522
n×3
1143728283
n×4
1524971044
n×5
1906213805
n÷2
190621380.5
n÷3
127080920.33333
n÷3
95310690.25
n÷5
76248552.2
n2
145346042814903121
n3
5.5412126663178E+25
n4
2.1125472161952E+34
n5
8.0539333344511E+42
2 √n
19525.438817092
3 √n
725.10439146833
4 √n
139.73345632701
5 √n
52.028382117482
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
381242762
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
190621381
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19525.4388427
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999994754
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 381242761 can be divided by 2 positive divisors.
The sum of these divisors (counting 381242761) is 381242762, the average is 190621381.
Base
System
Value
2
Binary
10110101110010100110110001001
3
Ternary
222120101010202021
4
Quaternary
112232110312021
5
Quinary
1240044232021
6
Senary
101455204441
8
Octal
2656246611
10
Decimal
381242761
12
Duodecimal
a7816721
16
Hexadecimal
16b94d89
20
Vigesimal
5j2f6i1
36
Base36
6azcsp
md5
a664b4bebf524d313feddd7db203db12
sha1
30cdd614028be48ec890aff5715db811c0fc3667
sha256
40e6c45a752b407546fde2f22ed66c6901996485ab9f5827c5839ead9013165f
sha512
e8057404d3fe8ffaf32f1cac4559b60ce57a8172d9b6085282924f5821760de8558de58c9404790ef4f613efe243dcc537b3d6f1f945105518bd4e282a895ce2
ripemd-160
78b55a21adf1c2e67dc1e77ddcb92e6758fb209e
Diameter
762485522
Circumference
2395418914.3838
Area
4.5661806033565E+17
Volume
2.321097733931E+26
Surface area
1.8264722413426E+18
Circumference
2395418914.3838
Perimeter
1524971044
Area
145346042814903121
Diagonal
539158683.16276
Surface area
872076256889418726
Volume
5.5412126663178E+25
Space diagonal
660331832.06984
Perimeter
1143728283
Area
6.2936682708623E+16
Altitude
330165916.03492
Surface area
6.2936682708623E+16
Volume
6.5303817539168E+24
Height
179719561.05425