388622987 is an odd 9-digits prime number following 388622986
and preceding 388622988 . In scientific notation, it is written as 3.88622987 × 10^8.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 388622986 positive integers (up to 388622987) that are relatively prime to 388622987.
388622987 has 2 divisors, whose sum is 388622988
The reverse of 388622987 is 789226883
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
three hundred eighty-eight million six hundred twenty-two thousand nine hundred eighty-seven
Scientific notation
3.88622987 × 10^8
Engineering notation
3.88622987 × 10^6
Prime Factorization
388622987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
388622987
Product of the distinct prime numbers
The prime factorization of 388622987 is 388622987.
Since it has a total of 1 prime factors.
9 , 8 , 63 , 63 , 123 , 781 , 1639 , 2538 , 36385 , 60890 , 290163 , 604625 , 5647708 , 6863842 , 13426629 , 671252 , 698982641 , 848591756 , 3238489378 , 6313146099
n×2
777245974
n×3
1165868961
n×4
1554491948
n×5
1943114935
n÷2
194311493.5
n÷3
129540995.66667
n÷3
97155746.75
n÷5
77724597.4
n2
151027826024802169
n3
5.8692884869875E+25
n4
2.2809404233778E+34
n5
8.8642588050212E+42
2 √n
19713.522947459
3 √n
729.75345837287
4 √n
140.40485371759
5 √n
52.228276796601
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
388622988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
194311494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19713.522972822
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999948536
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388622987 can be divided by 2 positive divisors.
The sum of these divisors (counting 388622987) is 388622988, the average is 194311494.
Base
System
Value
2
Binary
10111001010011110101010001011
3
Ternary
1000002021002111222
4
Quaternary
113022132222023
5
Quinary
1243441413422
6
Senary
102321312255
8
Octal
2712365213
10
Decimal
388622987
12
Duodecimal
aa19568b
16
Hexadecimal
1729ea8b
20
Vigesimal
618hh97
36
Base36
6fdjez
md5
bead61dc8cf9fae4bcd69e605f51fd78
sha1
03dc450912e5d449d83e65e9981e59db403c7635
sha256
7f984a08e9794908b41c5ee0f9890018550270154a42a43be0bbca72aa2a6007
sha512
10199f796a40cc91eaf7e01e34347915a238b9d61a4894ce526d1147653c986511228cc78c699fca8110f33e4d1cc1a19cab2d2d8084ba5c4b3c03e3e53d43af
ripemd-160
056f91a2fbe82353eb466a6b62702824b2e01874
Diameter
777245974
Circumference
2441790241.9506
Area
4.7446790872716E+17
Volume
2.4585218123359E+26
Surface area
1.8978716349086E+18
Circumference
2441790241.9506
Perimeter
1554491948
Area
151027826024802169
Diagonal
549595898.86534
Surface area
906166956148813014
Volume
5.8692884869875E+25
Space diagonal
673114758.47318
Perimeter
1165868961
Area
6.5396967007908E+16
Altitude
336557379.23659
Surface area
6.5396967007908E+16
Volume
6.9170228164817E+24
Height
183198632.95511