381291237 is an odd 9-digits composite number following 381291236
and preceding 381291238 . In scientific notation, it is written as 3.81291237 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 253364328 positive integers (up to 381291237) that are relatively prime to 381291237.
381291237 has 8 divisors, whose sum is 425040000
The reverse of 381291237 is 732192183
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
three hundred eighty-one million two hundred ninety-one thousand two hundred thirty-seven
Scientific notation
3.81291237 × 10^8
Engineering notation
3.81291237 × 10^6
Prime Factorization
9 × 307 × 137999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
381291237
Product of the distinct prime numbers
The prime factorization of 381291237 is 9 × 307 × 137999.
Since it has a total of 3 prime factors.
9 , 1 , 91 , 10 , 976 , 492 , 7216 , 5095 , 28863 , 55503 , 93684 , 725161 , 1748997 , 6497840 , 90884468 , 44912113 , 917030972 , 166871433 , 7249227151 , 1023404709
n×2
762582474
n×3
1143873711
n×4
1525164948
n×5
1906456185
n÷2
190645618.5
n÷3
127097079
n÷3
95322809.25
n÷5
76258247.4
n2
145383007412990169
n3
5.5433266735279E+25
n4
2.1136218844446E+34
n5
8.0590550287014E+42
2 √n
19526.680132578
3 √n
725.13512313013
4 √n
139.73789798254
5 √n
52.029705158778
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
-381291236
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 381291237 can be divided by 8 positive divisors.
The sum of these divisors (counting 381291237) is 1, the average is 0.125.
Base
System
Value
2
Binary
10110101110100000101011100101
3
Ternary
222120110121020200
4
Quaternary
112232200223211
5
Quinary
1240102304422
6
Senary
101500221113
8
Octal
2656405345
10
Decimal
381291237
12
Duodecimal
a783a799
16
Hexadecimal
16ba0ae5
20
Vigesimal
5j3181h
36
Base36
6b0e79
md5
2e3eb5fd004d61ef93bffe50ed959ce6
sha1
572a41910016c3c03938dea01db45057ead4ac5b
sha256
731ca26b9b475bfccd6603de5ed5057a35a5eb6b318224344015c69203b705c3
sha512
ba36a1ca2fcc7bbceaf50ce2a33d7563d3cd701892752a2780f5d72babd70f830897c218438e8893420f58b25a3624cebe620366dd59b1608fc12f8a37ba34b5
ripemd-160
28f62f1adfbe3e9d7dbbb0f00d530ff1d7ffb4ba
Diameter
762582474
Circumference
2395723498.0747
Area
4.5673418804544E+17
Volume
2.3219832472005E+26
Surface area
1.8269367521818E+18
Circumference
2395723498.0747
Perimeter
1525164948
Area
145383007412990169
Diagonal
539227238.57941
Surface area
872298044477941014
Volume
5.5433266735279E+25
Space diagonal
660415794.96479
Perimeter
1143873711
Area
6.2952688849115E+16
Altitude
330207897.48239
Surface area
6.2952688849115E+16
Volume
6.5328731353064E+24
Height
179742412.8598