388625986 is an even 9-digits composite number following 388625985
and preceding 388625987 . In scientific notation, it is written as 3.88625986 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 155916816 positive integers (up to 388625986) that are relatively prime to 388625986.
388625986 has 16 divisors, whose sum is 666858240
The reverse of 388625986 is 689526883
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-eight million six hundred twenty-five thousand nine hundred eighty-six
Scientific notation
3.88625986 × 10^8
Engineering notation
3.88625986 × 10^6
Prime Factorization
2 × 1081 × 7 × 25679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388625986
Product of the distinct prime numbers
The prime factorization of 388625986 is 2 × 1081 × 7 × 25679.
Since it has a total of 4 prime factors.
8 , 7 , 9 , 28 , 799 , 980 , 2818 , 4244 , 59313 , 60903 , 603423 , 269877 , 6667358 , 5050479 , 55053185 , 42121637 , 827539555 , 974570217 , 3369769137 , 6594719719
n×2
777251972
n×3
1165877958
n×4
1554503944
n×5
1943129930
n÷2
194312993
n÷3
129541995.33333
n÷3
97156496.5
n÷5
77725197.2
n2
151030156994472196
n3
5.8694243677712E+25
n4
2.2810108321775E+34
n5
8.8646008373166E+42
2 √n
19713.59901185
3 √n
729.75533553494
4 √n
140.40512459255
5 √n
52.228357405378
1 , 2 , 7 , 14 , 1081 , 2162 , 7567 , 15134 , 25679 , 51358 , 179753 , 359506 , 27758999 , 55517998 , 194312993 , 388625986
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
-388625985
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 388625986 can be divided by 16 positive divisors.
The sum of these divisors (counting 388625986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010011111011001000010
3
Ternary
1000002021020122001
4
Quaternary
113022133121002
5
Quinary
1243442012421
6
Senary
102321334214
8
Octal
2712373102
10
Decimal
388625986
12
Duodecimal
aa19736a
16
Hexadecimal
1729f642
20
Vigesimal
618i4j6
36
Base36
6fdlqa
md5
d8262c6bd672d439ca428e3769e80f00
sha1
5ee32fa85e3fd1471a9a34412c939faa124f4fb0
sha256
d1730cce877ec61c1596f3f4236437de1b90d3afbf0ef70524a0eb0a452f17ef
sha512
732d2f388709f6e4091875e8ccfa3cbd0eebabef60bf230ec8de9ab4a91da772086bfb4f3df88a406790bbfe1c19a02ade9104ce605cdc854846b5baf85f420c
ripemd-160
80c422dd7aa73e810d8ffcefed246a6269ee604d
Diameter
777251972
Circumference
2441809085.2234
Area
4.7447523168435E+17
Volume
2.4585787299454E+26
Surface area
1.8979009267374E+18
Circumference
2441809085.2234
Perimeter
1554503944
Area
151030156994472196
Diagonal
549600140.09182
Surface area
906180941966833176
Volume
5.8694243677712E+25
Space diagonal
673119952.89355
Perimeter
1165877958
Area
6.5397976347382E+16
Altitude
336559976.44678
Surface area
6.5397976347382E+16
Volume
6.9171829535209E+24
Height
183200046.69727