388217961 is an odd 9-digits composite number following 388217960
and preceding 388217962 . In scientific notation, it is written as 3.88217961 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 258496560 positive integers (up to 388217961) that are relatively prime to 388217961.
388217961 has 16 divisors, whose sum is 575838720
The reverse of 388217961 is 169712883
Previous prime number is 863
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred eighty-eight million two hundred seventeen thousand nine hundred sixty-one
Scientific notation
3.88217961 × 10^8
Engineering notation
3.88217961 × 10^6
Prime Factorization
9 × 3 × 863 × 16661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388217961
Product of the distinct prime numbers
The prime factorization of 388217961 is 9 × 3 × 863 × 16661.
Since it has a total of 4 prime factors.
10 , 1 , 46 , 7 , 590 , 717 , 795 , 4096 , 88547 , 65090 , 756002 , 749865 , 6096584 , 3048181 , 29026337 , 27698929 , 580441869 , 757097269 , 7562659071 , 7374470138
n×2
776435922
n×3
1164653883
n×4
1552871844
n×5
1941089805
n÷2
194108980.5
n÷3
129405987
n÷3
97054490.25
n÷5
77643592.2
n2
150713185242997521
n3
5.8509565470852E+25
n4
2.271446420609E+34
n5
8.8181629792958E+42
2 √n
19703.24747345
3 √n
729.49985194271
4 √n
140.36825664462
5 √n
52.217385709387
1 , 3 , 9 , 27 , 863 , 2589 , 7767 , 16661 , 23301 , 49983 , 149949 , 449847 , 14378443 , 43135329 , 129405987 , 388217961
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388217960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388217961 can be divided by 16 positive divisors.
The sum of these divisors (counting 388217961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001000111011110001101001
3
Ternary
1000001111111221000
4
Quaternary
113020323301221
5
Quinary
1243340433321
6
Senary
102304505213
8
Octal
2710736151
10
Decimal
388217961
12
Duodecimal
aa01b209
16
Hexadecimal
1723bc69
20
Vigesimal
61674i1
36
Base36
6f4uw9
md5
b841700410c04ebc53982e0174452323
sha1
6c1b95e38b9055c8692c13d5a02a5d06a042058f
sha256
7c5b153a34aa1559f935ba293ea18ff23946026eaf3cdaceacbefa7287e9a233
sha512
21b787eac5e4bba7fd9bcce179f2367c7b69eb93890705a32545e280a560fe5ebcbd2d2d83cfe97cab1e5c888a466eaf9c0fa88dd6b70e6fa9dd8e7c31687662
ripemd-160
760e963b9d978571c6771a89fcd07ed44686945b
Diameter
776435922
Circumference
2439245388.5384
Area
4.7347943555852E+17
Volume
2.4508429473061E+26
Surface area
1.8939177422341E+18
Circumference
2439245388.5384
Perimeter
1552871844
Area
150713185242997521
Diagonal
549023105.60303
Surface area
904279111457985126
Volume
5.8509565470852E+25
Space diagonal
672413232.86279
Perimeter
1164653883
Area
6.5260723552853E+16
Altitude
336206616.4314
Surface area
6.5260723552853E+16
Volume
6.8954184181196E+24
Height
183007701.86768