388675981 is an odd 9-digits composite number following 388675980
and preceding 388675982 . In scientific notation, it is written as 3.88675981 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 365812672 positive integers (up to 388675981) that are relatively prime to 388675981.
388675981 has 4 divisors, whose sum is 411539292
The reverse of 388675981 is 189576883
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-eight million six hundred seventy-five thousand nine hundred eighty-one
Scientific notation
3.88675981 × 10^8
Engineering notation
3.88675981 × 10^6
Prime Factorization
17 × 22863293
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388675981
Product of the distinct prime numbers
The prime factorization of 388675981 is 17 × 22863293.
Since it has a total of 2 prime factors.
3 , 3 , 86 , 26 , 409 , 54 , 5210 , 8156 , 38688 , 81444 , 106578 , 373918 , 6097422 , 8505400 , 50847681 , 67784212 , 367105440 , 480490715 , 9275215819 , 316681666
n×2
777351962
n×3
1166027943
n×4
1554703924
n×5
1943379905
n÷2
194337990.5
n÷3
129558660.33333
n÷3
97168995.25
n÷5
77735196.2
n2
151069018206312361
n3
5.8716898850045E+25
n4
2.2821848261819E+34
n5
8.8703042613957E+42
2 √n
19714.86700437
3 √n
729.78662744964
4 √n
140.40963999801
5 √n
52.229701125288
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388675980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388675981 can be divided by 4 positive divisors.
The sum of these divisors (counting 388675981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010101011100110001101
3
Ternary
1000002100210012201
4
Quaternary
113022223212031
5
Quinary
1244000112411
6
Senary
102322401501
8
Octal
2712534615
10
Decimal
388675981
12
Duodecimal
aa200291
16
Hexadecimal
172ab98d
20
Vigesimal
61949j1
36
Base36
6feob1
md5
e8d597b8660be431e406f68376cb9559
sha1
18d5c51d4fc37baff344273fa6de4aff4d2f18ae
sha256
9d91ce23cabb72e7ba9babbb0b3710872f6fba1476c2a22f5873158bae96623a
sha512
d1d4c52e01f0942aea2ce3d50c45eece85dafae9f21fd38198d4d2e84233123fe71d910c2d80553bb487d38dccaacc7ca273366bcf38ed669bfd6f89eddf66fd
ripemd-160
16ca6edc0ed7c15203fbafcc426ada721a26d12d
Diameter
777351962
Circumference
2442123213.0728
Area
4.7459731778197E+17
Volume
2.459527707585E+26
Surface area
1.8983892711279E+18
Circumference
2442123213.0728
Perimeter
1554703924
Area
151069018206312361
Diagonal
549670843.69887
Surface area
906414109237874166
Volume
5.8716898850045E+25
Space diagonal
673206546.77368
Perimeter
1166027943
Area
6.541480374572E+16
Altitude
336603273.38684
Surface area
6.541480374572E+16
Volume
6.9198528911853E+24
Height
183223614.56629