388624989 is an odd 9-digits composite number following 388624988
and preceding 388624990 . In scientific notation, it is written as 3.88624989 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 259083324 positive integers (up to 388624989) that are relatively prime to 388624989.
388624989 has 4 divisors, whose sum is 518166656
The reverse of 388624989 is 989426883
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred eighty-eight million six hundred twenty-four thousand nine hundred eighty-nine
Scientific notation
3.88624989 × 10^8
Engineering notation
3.88624989 × 10^6
Prime Factorization
3 × 129541663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388624989
Product of the distinct prime numbers
The prime factorization of 388624989 is 3 × 129541663.
Since it has a total of 2 prime factors.
5 , 8 , 82 , 87 , 950 , 953 , 9857 , 55 , 25479 , 49078 , 762208 , 723679 , 9224856 , 4192949 , 88764211 , 93599568 , 92222448 , 273209031 , 4895968887 , 3284057306
n×2
777249978
n×3
1165874967
n×4
1554499956
n×5
1943124945
n÷2
194312494.5
n÷3
129541663
n÷3
97156247.25
n÷5
77724997.8
n2
151029382075250121
n3
5.8693791947671E+25
n4
2.2809874250032E+34
n5
8.86448712951E+42
2 √n
19713.573724721
3 √n
729.75471148447
4 √n
140.40503454193
5 √n
52.228330607517
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388624988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388624989 can be divided by 4 positive divisors.
The sum of these divisors (counting 388624989) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010011111001001011101
3
Ternary
1000002021012021010
4
Quaternary
113022133021131
5
Quinary
1243441444424
6
Senary
102321325433
8
Octal
2712371135
10
Decimal
388624989
12
Duodecimal
aa196879
16
Hexadecimal
1729f25d
20
Vigesimal
618i299
36
Base36
6fdkyl
md5
b2d19739f9a0de77c870adc350ae27a8
sha1
11ed570c8d5bc3b174db3eb7697b57263651c043
sha256
c560d35783679d9c143acc8238dfdcedfa04aec90f91c26188bd883ea5546642
sha512
e1f2e90b437a4daf8010ecef14cca3b24d0b953c5431b2f5a74aeeca0d9e960c8e190d15eed7e9b0611622ceae029cb33e5b6015d669d1cae5b5d93381ab3a9a
ripemd-160
573ed5b4f324910147b1788b8100c824a6b93ec8
Diameter
777249978
Circumference
2441802820.8876
Area
4.7447279720381E+17
Volume
2.4585598079217E+26
Surface area
1.8978911888152E+18
Circumference
2441802820.8876
Perimeter
1554499956
Area
151029382075250121
Diagonal
549598730.12089
Surface area
906176292451500726
Volume
5.8693791947671E+25
Space diagonal
673118226.0389
Perimeter
1165874967
Area
6.5397640797516E+16
Altitude
336559113.01945
Surface area
6.5397640797516E+16
Volume
6.9171297166251E+24
Height
183199576.70696