388645542 is an even 9-digits composite number following 388645541
and preceding 388645543 . In scientific notation, it is written as 3.88645542 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 128933280 positive integers (up to 388645542) that are relatively prime to 388645542.
388645542 has 16 divisors, whose sum is 650818800
The reverse of 388645542 is 245546883
Previous prime number is 211
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred eighty-eight million six hundred forty-five thousand five hundred forty-two
Scientific notation
3.88645542 × 10^8
Engineering notation
3.88645542 × 10^6
Prime Factorization
2 × 9 × 211 × 102329
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388645542
Product of the distinct prime numbers
The prime factorization of 388645542 is 2 × 9 × 211 × 102329.
Since it has a total of 4 prime factors.
4 , 5 , 75 , 93 , 250 , 475 , 1246 , 1108 , 52549 , 40575 , 770474 , 124877 , 1830655 , 8013479 , 36811155 , 26502974 , 546892759 , 422427659 , 7286394921 , 9364987104
n×2
777291084
n×3
1165936626
n×4
1554582168
n×5
1943227710
n÷2
194322771
n÷3
129548514
n÷3
97161385.5
n÷5
77729108.4
n2
151045357316473764
n3
5.8703104760845E+25
n4
2.2814699966861E+34
n5
8.8668314341882E+42
2 √n
19714.095008394
3 √n
729.76757597218
4 √n
140.40689088643
5 √n
52.228883030136
1 , 2 , 9 , 18 , 211 , 422 , 1899 , 3798 , 102329 , 204658 , 920961 , 1841922 , 21591419 , 43182838 , 194322771 , 388645542
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388645541
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388645542 can be divided by 16 positive divisors.
The sum of these divisors (counting 388645542) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100100001010100110
3
Ternary
1000002022020110100
4
Quaternary
113022210022212
5
Quinary
1243443124132
6
Senary
102322004530
8
Octal
2712441246
10
Decimal
388645542
12
Duodecimal
aa1a6746
16
Hexadecimal
172a42a6
20
Vigesimal
6190dh2
36
Base36
6fe0ti
md5
746eb00a27265ec86f0dfeec7e7b5ec6
sha1
33ed3ccaa189552e0183f77e6bfc4aec3f0dd5cf
sha256
86e85cb7c12fe9c8996ccfcef4a74127c4792ad3e3b699e346c5ea9b328bedf0
sha512
aef8c7c61a1d978a2cad9459de47b51e96b96cc89454df80c800e0d2f5a0f4d20453d0ff17cf37046f2e95e5e36792729c46d002745420497c1934babc5c17c9
ripemd-160
37ca941460c2d074eb27f5937cda8d8e5e6eea9b
Diameter
777291084
Circumference
2441931959.1952
Area
4.7452298490428E+17
Volume
2.4589499021278E+26
Surface area
1.8980919396171E+18
Circumference
2441931959.1952
Perimeter
1554582168
Area
151045357316473764
Diagonal
549627796.45224
Surface area
906272143898842584
Volume
5.8703104760845E+25
Space diagonal
673153824.87914
Perimeter
1165936626
Area
6.5404558279882E+16
Altitude
336576912.43957
Surface area
6.5404558279882E+16
Volume
6.9182272421829E+24
Height
183209265.48408