388889129 is an odd 9-digits composite number following 388889128
and preceding 388889130 . In scientific notation, it is written as 3.88889129 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 361926576 positive integers (up to 388889129) that are relatively prime to 388889129.
388889129 has 8 divisors, whose sum is 416765760
The reverse of 388889129 is 921988883
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
three hundred eighty-eight million eight hundred eighty-nine thousand one hundred twenty-nine
Scientific notation
3.88889129 × 10^8
Engineering notation
3.88889129 × 10^6
Prime Factorization
37 × 23 × 456979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388889129
Product of the distinct prime numbers
The prime factorization of 388889129 is 37 × 23 × 456979.
Since it has a total of 3 prime factors.
1 , 2 , 82 , 50 , 161 , 878 , 1506 , 9332 , 38964 , 38472 , 242512 , 862592 , 3523770 , 9201271 , 64612596 , 58545804 , 808343430 , 493176376 , 9595839078 , 8794297905
n×2
777778258
n×3
1166667387
n×4
1555556516
n×5
1944445645
n÷2
194444564.5
n÷3
129629709.66667
n÷3
97222282.25
n÷5
77777825.8
n2
151234754654378641
n3
5.881355201207E+25
n4
2.287195101537E+34
n5
8.8946531088979E+42
2 √n
19720.272031592
3 √n
729.92000687241
4 √n
140.42888602988
5 √n
52.235428371449
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
-388889128
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 388889129 can be divided by 8 positive divisors.
The sum of these divisors (counting 388889129) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001011011111101000101001
3
Ternary
1000002202121121002
4
Quaternary
113023133220221
5
Quinary
1244023423004
6
Senary
102331124345
8
Octal
2713375051
10
Decimal
388889129
12
Duodecimal
aa2a36b5
16
Hexadecimal
172dfa29
20
Vigesimal
61ab2g9
36
Base36
6fj8rt
md5
edaa158ee9059effbb52497923448629
sha1
3cc59b1c48371e7a6cb8a3220b4ae82aad53756b
sha256
27b057d520692873eb6b8643465afb16dd436aea34bfa4ed5e20b74567ef1dc9
sha512
881c60e9ae51bf534c47bea00e51a01807e7e0b0df0a42e4273b9ffd54cd4446769e54304ac28a4c3cc249901e6ae0d26d5f8ae8fc86ad893fe2e96dd4348c3f
ripemd-160
8462d52b65b274a6758f92305e93edd222f35097
Diameter
777778258
Circumference
2443462461.4547
Area
4.7511799418965E+17
Volume
2.4635763057685E+26
Surface area
1.9004719767586E+18
Circumference
2443462461.4547
Perimeter
1555556516
Area
151234754654378641
Diagonal
549972280.49126
Surface area
907408527926271846
Volume
5.881355201207E+25
Space diagonal
673575729.93921
Perimeter
1166667387
Area
6.5486569732899E+16
Altitude
336787864.9696
Surface area
6.5486569732899E+16
Volume
6.9312435755671E+24
Height
183324093.49709