388219921 is an odd 9-digits composite number following 388219920
and preceding 388219922 . In scientific notation, it is written as 3.88219921 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 365251920 positive integers (up to 388219921) that are relatively prime to 388219921.
388219921 has 8 divisors, whose sum is 411741504
The reverse of 388219921 is 129912883
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
three hundred eighty-eight million two hundred nineteen thousand nine hundred twenty-one
Scientific notation
3.88219921 × 10^8
Engineering notation
3.88219921 × 10^6
Prime Factorization
23 × 61 × 276707
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388219921
Product of the distinct prime numbers
The prime factorization of 388219921 is 23 × 61 × 276707.
Since it has a total of 3 prime factors.
6 , 8 , 6 , 86 , 431 , 623 , 9921 , 1726 , 59883 , 17401 , 154463 , 67630 , 8791288 , 7514753 , 61760437 , 6631976 , 423103355 , 698840162 , 7028564530 , 9727263654
n×2
776439842
n×3
1164659763
n×4
1552879684
n×5
1941099605
n÷2
194109960.5
n÷3
129406640.33333
n÷3
97054980.25
n÷5
77643984.2
n2
150714707061246241
n3
5.8510451668855E+25
n4
2.2714922924557E+34
n5
8.8183855832927E+42
2 √n
19703.297211381
3 √n
729.50107961844
4 √n
140.36843381395
5 √n
52.21743843537
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
-388219920
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 388219921 can be divided by 8 positive divisors.
The sum of these divisors (counting 388219921) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001000111100010000010001
3
Ternary
1000001111121121121
4
Quaternary
113020330100101
5
Quinary
1243341014141
6
Senary
102304522241
8
Octal
2710742021
10
Decimal
388219921
12
Duodecimal
aa020381
16
Hexadecimal
1723c411
20
Vigesimal
61679g1
36
Base36
6f4wep
md5
6432a10c821f3a80d0952b64de66b8a4
sha1
3f4835b1590c3422911f2ba3158d0e28c149f137
sha256
6f4461f4ab7cb12b6b8f7076614808d933bd13d3879a363c061b2110448d1e23
sha512
1f937b5547c38e9b4bbd8ae00d85947f95a0c51037021c8d4f84579731d68e6d89402420d96b6155674ab98a2f0e84d6a6a22910b4a8f0eb7ecbcd74aad2ac73
ripemd-160
1050293d4c1d0b9eaf757be1cf7296dcd3a2c185
Diameter
776439842
Circumference
2439257703.5816
Area
4.7348421649155E+17
Volume
2.4508800682813E+26
Surface area
1.8939368659662E+18
Circumference
2439257703.5816
Perimeter
1552879684
Area
150714707061246241
Diagonal
549025877.46161
Surface area
904288242367477446
Volume
5.8510451668855E+25
Space diagonal
672416627.68238
Perimeter
1164659763
Area
6.5261382519485E+16
Altitude
336208313.84119
Surface area
6.5261382519485E+16
Volume
6.8955228575559E+24
Height
183008625.82054