388618972 is an even 9-digits composite number following 388618971
and preceding 388618973 . In scientific notation, it is written as 3.88618972 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 166550976 positive integers (up to 388618972) that are relatively prime to 388618972.
388618972 has 12 divisors, whose sum is 777238000
The reverse of 388618972 is 279816883
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred eighty-eight million six hundred eighteen thousand nine hundred seventy-two
Scientific notation
3.88618972 × 10^8
Engineering notation
3.88618972 × 10^6
Prime Factorization
2 × 2 × 7 × 13879249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194309486
Product of the distinct prime numbers
The prime factorization of 388618972 is 2 × 2 × 7 × 13879249.
Since it has a total of 4 prime factors.
10 , 1 , 87 , 8 , 87 , 543 , 7328 , 5888 , 95541 , 12922 , 11253 , 461982 , 6468296 , 8041148 , 15010079 , 8273986 , 640687562 , 987299637 , 7793310576 , 9864479590
n×2
777237944
n×3
1165856916
n×4
1554475888
n×5
1943094860
n÷2
194309486
n÷3
129539657.33333
n÷3
97154743
n÷5
77723794.4
n2
151024705398336784
n3
5.8691065758504E+25
n4
2.2808461640654E+34
n5
8.8638009156926E+42
2 √n
19713.421113546
3 √n
729.75094525148
4 √n
140.40449107328
5 √n
52.228168878436
1 , 2 , 4 , 7 , 14 , 28 , 13879249 , 27758498 , 55516996 , 97154743 , 194309486 , 388618972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388618971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388618972 can be divided by 12 positive divisors.
The sum of these divisors (counting 388618972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010011101101011011100
3
Ternary
1000002020220000021
4
Quaternary
113022131223130
5
Quinary
1243441301342
6
Senary
102321241524
8
Octal
2712355334
10
Decimal
388618972
12
Duodecimal
aa1932a4
16
Hexadecimal
1729dadc
20
Vigesimal
618h78c
36
Base36
6fdgbg
md5
c3bf5346c6587a8b008cca481fe04e72
sha1
e21064d05c49ad72419222ea63785d2cb616faf5
sha256
1daacad6f7938414ed05b508dd639811e2ca521c8124c30932769e469c1062c4
sha512
5d70b4a271f9cc98d4a82f2ee14a32904abaf4f181ef88ea3a2833dada7b753256c5f8555e09191ce0305c4bd10c9dfa8c165ad8f9d36049c4087da93a4576d5
ripemd-160
cf41e9625c63449d248032d788c5442486d84dfe
Diameter
777237944
Circumference
2441765014.9616
Area
4.7445810498998E+17
Volume
2.458445613577E+26
Surface area
1.8978324199599E+18
Circumference
2441765014.9616
Perimeter
1554475888
Area
151024705398336784
Diagonal
549590220.79789
Surface area
906148232390020704
Volume
5.8691065758504E+25
Space diagonal
673107804.28919
Perimeter
1165856916
Area
6.539561573701E+16
Altitude
336553902.14459
Surface area
6.539561573701E+16
Volume
6.9168084321507E+24
Height
183196740.26596