138889187 is an odd 9-digits composite number following 138889186
and preceding 138889188 . In scientific notation, it is written as 1.38889187 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 138282456 positive integers (up to 138889187) that are relatively prime to 138889187.
138889187 has 4 divisors, whose sum is 139495920
The reverse of 138889187 is 781988831
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred thirty-eight million eight hundred eighty-nine thousand one hundred eighty-seven
Scientific notation
1.38889187 × 10^8
Engineering notation
1.38889187 × 10^6
Prime Factorization
229 × 606503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138889187
Product of the distinct prime numbers
The prime factorization of 138889187 is 229 × 606503.
Since it has a total of 2 prime factors.
9 , 7 , 97 , 52 , 203 , 231 , 3867 , 467 , 53859 , 72860 , 834891 , 499450 , 9636922 , 281526 , 57260136 , 28508552 , 695747269 , 931005221 , 600262717 , 5131748805
n×2
277778374
n×3
416667561
n×4
555556748
n×5
694445935
n÷2
69444593.5
n÷3
46296395.666667
n÷3
34722296.75
n÷5
27777837.4
n2
19290206265520969
n3
2.6792010652805E+24
n4
3.7211205776634E+32
n5
5.1682341176065E+40
2 √n
11785.125667552
3 √n
517.87245484559
4 √n
108.55931865829
5 √n
42.514168271318
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
-138889186
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 138889187 can be divided by 4 positive divisors.
The sum of these divisors (counting 138889187) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001110100011111100011
3
Ternary
100200100022010222
4
Quaternary
20101310133203
5
Quinary
241023423222
6
Senary
21440513255
8
Octal
1021643743
10
Decimal
138889187
12
Duodecimal
3a61b82b
16
Hexadecimal
84747e3
20
Vigesimal
23812j7
36
Base36
2aovkz
md5
3045b0f7452ca23dfb059d7ef6c9a173
sha1
ff5c0df5a087a6419cf0b1f8cb193ce0d94cf393
sha256
6037894f5d25e95d37959158396a9e5af6104783a283915da2c57b4312ae0b33
sha512
09723d0e752a77ed439ad0873e196eae59c9c312efb01bea764e8699a0dcc2db1e3dfbf90e88b20832e3569f13c2e7cbaf57ebdff86e4480b1dfddbc7703c6b9
ripemd-160
0814dfe69ae05a1e760a93103d49236ed1194d28
Diameter
277778374
Circumference
872666499.08452
Area
6.0601970289992E+16
Volume
1.12226111789E+25
Surface area
2.4240788115997E+17
Circumference
872666499.08452
Perimeter
555556748
Area
19290206265520969
Diagonal
196418971.92237
Surface area
115741237593125814
Volume
2.6792010652805E+24
Space diagonal
240563128.50593
Perimeter
416667561
Area
8.3529043350915E+15
Altitude
120281564.25297
Surface area
8.3529043350915E+15
Volume
3.1574687357035E+23
Height
65472990.640791