388289287 is an odd 9-digits prime number following 388289286
and preceding 388289288 . In scientific notation, it is written as 3.88289287 × 10^8.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 388289286 positive integers (up to 388289287) that are relatively prime to 388289287.
388289287 has 2 divisors, whose sum is 388289288
The reverse of 388289287 is 782982883
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 55 Digital Root 1
Name
three hundred eighty-eight million two hundred eighty-nine thousand two hundred eighty-seven
Scientific notation
3.88289287 × 10^8
Engineering notation
3.88289287 × 10^6
Prime Factorization
388289287
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
388289287 Product of the distinct prime numbers
The prime factorization of 388289287 is 388289287.
Since it has a total of 1 prime factors.
2 , 10 , 15 , 42 , 327 , 361 , 8137 , 1953 , 28564 , 67273 , 323582 , 101452 , 4793805 , 8996340 , 3400968 , 24385372 , 903611576 , 808918966 , 5522357864 , 441489510
n×2
776578574
n×3
1164867861
n×4
1553157148
n×5
1941446435
n÷2
194144643.5
n÷3
129429762.33333
n÷3
97072321.75
n÷5
77657857.4
n2
150768570398968369
n3
5.8541820702225E+25
n4
2.2731161820149E+34
n5
8.8262666158272E+42
2 √n19705.057396516
3 √n729.54452540403
4 √n140.37470354917
5 √n52.219304313854
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
388289288 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
194144644 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
19705.05742189 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999948492 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388289287 can be divided by 2 positive divisors.
The sum of these divisors (counting 388289287) is 388289288, the average is 194144644.
Base
System
Value
2
Binary
10111001001001101001100000111
3
Ternary
1000001122010202201
4
Quaternary
113021031030013
5
Quinary
1243400224122
6
Senary
102310215331
8
Octal
2711151407
10
Decimal
388289287
12
Duodecimal
aa054547
16
Hexadecimal
1724d307
20
Vigesimal
616g347
36
Base36
6f6dxj
md5
3f5a670e29f65bcf0956a5f0eaf7fa2e
sha1
eaa987644b28fc2111e5c9c58d247663d9d21ef4
sha256
7aaa68576943d823ee5327861245f15f385d16f3563db5b897c599f483fee695
sha512
7780adf25614fee44199d46f8182a98b6103322bfbd1431ac6cd67dd1fd524d576367c7a67308c1f17e8a50ffb382b550a6c28f839566d1f90bff24d4e6a5a0f
ripemd-160
ef68b36a6c068017cbcc06259423e2b0b992cf06
Diameter
776578574
Circumference
2439693543.0136
Area
4.7365343315763E+17
Volume
2.4521940512784E+26
Surface area
1.8946137326305E+18
Circumference
2439693543.0136
Perimeter
1553157148
Area
150768570398968369
Diagonal
549123975.79958
Surface area
904611422393810214
Volume
5.8541820702225E+25
Space diagonal
672536773.11869
Perimeter
1164867861
Area
6.5284706028885E+16
Altitude
336268386.55935
Surface area
6.5284706028885E+16
Volume
6.8992197335917E+24
Height
183041325.26653