381291268 is an even 9-digits composite number following 381291267
and preceding 381291269 . In scientific notation, it is written as 3.81291268 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 190645632 positive integers (up to 381291268) that are relatively prime to 381291268.
381291268 has 6 divisors, whose sum is 667259726
The reverse of 381291268 is 862192183
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
three hundred eighty-one million two hundred ninety-one thousand two hundred sixty-eight
Scientific notation
3.81291268 × 10^8
Engineering notation
3.81291268 × 10^6
Prime Factorization
2 × 2 × 95322817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
190645634
Product of the distinct prime numbers
The prime factorization of 381291268 is 2 × 2 × 95322817.
Since it has a total of 3 prime factors.
5 , 4 , 10 , 12 , 367 , 987 , 6274 , 269 , 75111 , 75255 , 718939 , 866432 , 8145361 , 5632608 , 49200468 , 13322641 , 156378342 , 701686284 , 3107006575 , 2365816448
n×2
762582536
n×3
1143873804
n×4
1525165072
n×5
1906456340
n÷2
190645634
n÷3
127097089.33333
n÷3
95322817
n÷5
76258253.6
n2
145383031053047824
n3
5.54332802559E+25
n4
2.1136225718171E+34
n5
8.0590583048158E+42
2 √n
19526.680926363
3 √n
725.13514278193
4 √n
139.7379008228
5 √n
52.029706004809
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-381291267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 381291268 can be divided by 6 positive divisors.
The sum of these divisors (counting 381291268) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
10110101110100000101100000100
3
Ternary
222120110121021211
4
Quaternary
112232200230010
5
Quinary
1240102310033
6
Senary
101500221204
8
Octal
2656405404
10
Decimal
381291268
12
Duodecimal
a783a804
16
Hexadecimal
16ba0b04
20
Vigesimal
5j31838
36
Base36
6b0e84
md5
fb0ae2ac1147e906fd87855cc893048a
sha1
cfae4a885c61c299d3e12d8e456f2392e79425ab
sha256
8b6ffe239050a6f8413458aa0f4b01650db1ba3c91d140282f439998b750d5c5
sha512
c4e49d2563105556c613f7e3473526e1fb01e96f0dcbe0f3ac1665288ed4084efa821bb9da45f2555244a49765c684b71f83769b5a46796336787512b915d201
ripemd-160
8808085363347a6c22ca5775e970dfa1c6bb313e
Diameter
762582536
Circumference
2395723692.8535
Area
4.5673426231287E+17
Volume
2.3219838135509E+26
Surface area
1.8269370492515E+18
Circumference
2395723692.8535
Perimeter
1525165072
Area
145383031053047824
Diagonal
539227282.42003
Surface area
872298186318286944
Volume
5.54332802559E+25
Space diagonal
660415848.65836
Perimeter
1143873804
Area
6.2952699085561E+16
Altitude
330207924.32918
Surface area
6.2952699085561E+16
Volume
6.5328747287269E+24
Height
179742427.47334