388045257 is an odd 9-digits composite number following 388045256
and preceding 388045258 . In scientific notation, it is written as 3.88045257 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 258643440 positive integers (up to 388045257) that are relatively prime to 388045257.
388045257 has 8 divisors, whose sum is 517500480
The reverse of 388045257 is 752540883
Previous prime number is 20341
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
three hundred eighty-eight million forty-five thousand two hundred fifty-seven
Scientific notation
3.88045257 × 10^8
Engineering notation
3.88045257 × 10^6
Prime Factorization
3 × 20341 × 6359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388045257
Product of the distinct prime numbers
The prime factorization of 388045257 is 3 × 20341 × 6359.
Since it has a total of 3 prime factors.
6 , 4 , 86 , 75 , 410 , 682 , 887 , 3188 , 66938 , 82625 , 953081 , 4696 , 7100642 , 9334121 , 44976041 , 77477181 , 313869586 , 154033958 , 4832618270 , 8767201006
n×2
776090514
n×3
1164135771
n×4
1552181028
n×5
1940226285
n÷2
194022628.5
n÷3
129348419
n÷3
97011314.25
n÷5
77609051.4
n2
150579121480196049
n3
5.8431513893617E+25
n4
2.2674071825748E+34
n5
8.7985660288587E+42
2 √n
19698.86435813
3 √n
729.39165994567
4 √n
140.35264286122
5 √n
52.212738960676
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
-388045256
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 388045257 can be divided by 8 positive divisors.
The sum of these divisors (counting 388045257) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001000010001100111001001
3
Ternary
1000001011202000120
4
Quaternary
113020101213021
5
Quinary
1243314422012
6
Senary
102301053453
8
Octal
2710214711
10
Decimal
388045257
12
Duodecimal
a9b57289
16
Hexadecimal
172119c9
20
Vigesimal
6155d2h
36
Base36
6f15mx
md5
c4e14c0ee9656f4b71dfdbae298f0cd4
sha1
d08ec663a2bc1c0634d2f605fbd7b9d97fee0e94
sha256
3db0b43c59e05f9178d66f3d619a4a2d6c1145c6b40bd761074627ded1443b3a
sha512
fa1a943570208ab9752e8bb9d28636689207ba24ab9e714b1375d246bb895987af8b3d7a42b9414fc46467ce22ee12dde3c699376c085609f654153f728df3b5
ripemd-160
3c22c89dd4e1b390fe149cc36ed2f846c8124e2f
Diameter
776090514
Circumference
2438160257.3031
Area
4.7305826182619E+17
Volume
2.4475735304842E+26
Surface area
1.8922330473048E+18
Circumference
2438160257.3031
Perimeter
1552181028
Area
150579121480196049
Diagonal
548778865.26395
Surface area
903474728881176294
Volume
5.8431513893617E+25
Space diagonal
672114100.76012
Perimeter
1164135771
Area
6.5202672240696E+16
Altitude
336057050.38006
Surface area
6.5202672240696E+16
Volume
6.8862199515287E+24
Height
182926288.42132