388987071 is an odd 9-digits composite number following 388987070
and preceding 388987072 . In scientific notation, it is written as 3.88987071 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 235749720 positive integers (up to 388987071) that are relatively prime to 388987071.
388987071 has 8 divisors, whose sum is 565799424
The reverse of 388987071 is 170789883
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eighty-eight million nine hundred eighty-seven thousand seventy-one
Scientific notation
3.88987071 × 10^8
Engineering notation
3.88987071 × 10^6
Prime Factorization
3 × 11 × 11787487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388987071
Product of the distinct prime numbers
The prime factorization of 388987071 is 3 × 11 × 11787487.
Since it has a total of 3 prime factors.
10 , 7 , 97 , 2 , 472 , 16 , 471 , 7163 , 35738 , 8518 , 975764 , 221624 , 3449396 , 1981822 , 3634713 , 98941532 , 639828532 , 604862652 , 1304141273 , 23873318
n×2
777974142
n×3
1166961213
n×4
1555948284
n×5
1944935355
n÷2
194493535.5
n÷3
129662357
n÷3
97246767.75
n÷5
77797414.2
n2
151310941405159041
n3
5.8857999907445E+25
n4
2.2895000988915E+34
n5
8.9058593752203E+42
2 √n
19722.755157432
3 √n
729.9812786842
4 √n
140.43772697332
5 √n
52.238059212288
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
-388987070
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 388987071 can be divided by 8 positive divisors.
The sum of these divisors (counting 388987071) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001011110111100010111111
3
Ternary
1000002221120221120
4
Quaternary
113023313202333
5
Quinary
1244040041241
6
Senary
102333202023
8
Octal
2713674277
10
Decimal
388987071
12
Duodecimal
aa330313
16
Hexadecimal
172f78bf
20
Vigesimal
61b37db
36
Base36
6flccf
md5
2b0447fecdb8448ab808f5c1cde2ffdf
sha1
54112d130fc4128511c200a0e250796bc7c4391f
sha256
0b9db703820dbf6bd18b125ee34116767b52165f0b77cf1e95b16f937b085634
sha512
1d72af956033d6bd1c1cca703ec9cbe6d6c69b2095bb68e4114c47d135cc9961be621aeba5098c428e92fcb4daa0b96550b88520389bb749851d1cc7e425b6ea
ripemd-160
cb41de08d35cbff596e22ed2d70c7213bafa3e71
Diameter
777974142
Circumference
2444077849.19
Area
4.753573419262E+17
Volume
2.4654381348563E+26
Surface area
1.9014293677048E+18
Circumference
2444077849.19
Perimeter
1555948284
Area
151310941405159041
Diagonal
550110791.39599
Surface area
907865648430954246
Volume
5.8857999907445E+25
Space diagonal
673745370.4594
Perimeter
1166961213
Area
6.5519559563703E+16
Altitude
336872685.2297
Surface area
6.5519559563703E+16
Volume
6.936481810272E+24
Height
183370263.79866