388621949 is an odd 9-digits composite number following 388621948
and preceding 388621950 . In scientific notation, it is written as 3.88621949 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 385198416 positive integers (up to 388621949) that are relatively prime to 388621949.
388621949 has 8 divisors, whose sum is 392056800
The reverse of 388621949 is 949126883
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-eight million six hundred twenty-one thousand nine hundred forty-nine
Scientific notation
3.88621949 × 10^8
Engineering notation
3.88621949 × 10^6
Prime Factorization
523 × 149 × 4987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388621949
Product of the distinct prime numbers
The prime factorization of 388621949 is 523 × 149 × 4987.
Since it has a total of 3 prime factors.
9 , 1 , 34 , 45 , 873 , 398 , 7072 , 4571 , 56293 , 79178 , 896454 , 952456 , 869676 , 8787461 , 46932881 , 46340095 , 936924804 , 823917179 , 5180707443 , 3522680042
n×2
777243898
n×3
1165865847
n×4
1554487796
n×5
1943109745
n÷2
194310974.5
n÷3
129540649.66667
n÷3
97155487.25
n÷5
77724389.8
n2
151027019244558601
n3
5.8692414570481E+25
n4
2.2809160541896E+34
n5
8.8641404248456E+42
2 √n
19713.496620336
3 √n
729.75280865597
4 √n
140.40475996324
5 √n
52.228248896548
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
-388621948
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 388621949 can be divided by 8 positive divisors.
The sum of these divisors (counting 388621949) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010011110011001111101
3
Ternary
1000002021001002112
4
Quaternary
113022132121331
5
Quinary
1243441400244
6
Senary
102321303405
8
Octal
2712363175
10
Decimal
388621949
12
Duodecimal
aa194b65
16
Hexadecimal
1729e67d
20
Vigesimal
618heh9
36
Base36
6fdim5
md5
7aca3c582b5b8edbae5b8e346a111e24
sha1
a71dc8819f2d7947206fad67eda1dd963c61b23d
sha256
e31d72e2d64defaaffd2bf349ec066f8b80b1e02ec20ae1f9f3542bdd0eb077e
sha512
c16621fdffd06021a1b4dd96c98abbdda8c57056d9ca8a5ac6b263967019c631e7f779dbed63399958a92af62e97c58911ac563dc8ea238e08aee507a9cf4bbd
ripemd-160
13f12daf70d5bc25007ad39489f31292ff2400fe
Diameter
777243898
Circumference
2441783720.0043
Area
4.7446537415227E+17
Volume
2.4585021124809E+26
Surface area
1.8978614966091E+18
Circumference
2441783720.0043
Perimeter
1554487796
Area
151027019244558601
Diagonal
549594430.91167
Surface area
906162115467351606
Volume
5.8692414570481E+25
Space diagonal
673112960.60444
Perimeter
1165865847
Area
6.5396617661815E+16
Altitude
336556480.30222
Surface area
6.5396617661815E+16
Volume
6.9169673911665E+24
Height
183198143.63722