388952021 is an odd 9-digits composite number following 388952020
and preceding 388952022 . In scientific notation, it is written as 3.88952021 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 368035488 positive integers (up to 388952021) that are relatively prime to 388952021.
388952021 has 8 divisors, whose sum is 409918080
The reverse of 388952021 is 120259883
Previous prime number is 857
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
three hundred eighty-eight million nine hundred fifty-two thousand twenty-one
Scientific notation
3.88952021 × 10^8
Engineering notation
3.88952021 × 10^6
Prime Factorization
19 × 857 × 23887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388952021
Product of the distinct prime numbers
The prime factorization of 388952021 is 19 × 857 × 23887.
Since it has a total of 3 prime factors.
7 , 9 , 20 , 75 , 163 , 234 , 8299 , 7457 , 95361 , 61444 , 894220 , 20280 , 9981171 , 2716717 , 77953649 , 83107093 , 518749435 , 767811394 , 6883473260 , 985436060
n×2
777904042
n×3
1166856063
n×4
1555808084
n×5
1944760105
n÷2
194476010.5
n÷3
129650673.66667
n÷3
97238005.25
n÷5
77790404.2
n2
151283674639984441
n3
5.8842090995528E+25
n4
2.2886750212577E+34
n5
8.9018477493039E+42
2 √n
19721.866569876
3 √n
729.95935283778
4 √n
140.43456330219
5 √n
52.237117787697
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
-388952020
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 388952021 can be divided by 8 positive divisors.
The sum of these divisors (counting 388952021) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001011101110111111010101
3
Ternary
1000002212210212102
4
Quaternary
113023232333111
5
Quinary
1244032431041
6
Senary
102332331445
8
Octal
2713567725
10
Decimal
388952021
12
Duodecimal
aa313b85
16
Hexadecimal
172eefd5
20
Vigesimal
61aj011
36
Base36
6fklat
md5
2c4992a5652466d8befeace18d352443
sha1
50adb7d9331eb65cfbb606cbc09fec927ce89e33
sha256
6a82c961ba892e65a9e7227046658e10238405a3ba769bcb3c20ee9174640cbb
sha512
67a8cc466b3e0eff1a61487502f95ece70c06e38c0c79530b839334dca9d021420db680219f1fc0a8a9f3e5a304dd2f2068dbc97c04169d3a0924e6774ed2184
ripemd-160
96aaa91e85fa2f623e9f669c1e0790effc0d55ec
Diameter
777904042
Circumference
2443857623.545
Area
4.7527168085704E+17
Volume
2.4647717439122E+26
Surface area
1.9010867234282E+18
Circumference
2443857623.545
Perimeter
1555808084
Area
151283674639984441
Diagonal
550061223.21062
Surface area
907702047839906646
Volume
5.8842090995528E+25
Space diagonal
673684662.0786
Perimeter
1166856063
Area
6.5507752708043E+16
Altitude
336842331.0393
Surface area
6.5507752708043E+16
Volume
6.9346069270223E+24
Height
183353741.07021