138889185 is an odd 9-digits composite number following 138889184
and preceding 138889186 . In scientific notation, it is written as 1.38889185 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 73804608 positive integers (up to 138889185) that are relatively prime to 138889185.
138889185 has 8 divisors, whose sum is 148687744
The reverse of 138889185 is 581988831
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred thirty-eight million eight hundred eighty-nine thousand one hundred eighty-five
Scientific notation
1.38889185 × 10^8
Engineering notation
1.38889185 × 10^6
Prime Factorization
15 × 277 × 33427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138889185
Product of the distinct prime numbers
The prime factorization of 138889185 is 15 × 277 × 33427.
Since it has a total of 3 prime factors.
9 , 5 , 55 , 30 , 616 , 393 , 4831 , 4716 , 27647 , 86628 , 53516 , 734723 , 9441232 , 3837569 , 95810274 , 66455554 , 672645586 , 829759428 , 8710913727 , 9343140958
n×2
277778370
n×3
416667555
n×4
555556740
n×5
694445925
n÷2
69444592.5
n÷3
46296395
n÷3
34722296.25
n÷5
27777837
n2
19290205709964225
n3
2.6792009495393E+24
n4
3.7211203633274E+32
n5
5.1682337454944E+40
2 √n
11785.1255827
3 √n
517.87245235981
4 √n
108.55931826748
5 √n
42.514168148878
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
-138889184
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 138889185 can be divided by 8 positive divisors.
The sum of these divisors (counting 138889185) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001110100011111100001
3
Ternary
100200100022010220
4
Quaternary
20101310133201
5
Quinary
241023423220
6
Senary
21440513253
8
Octal
1021643741
10
Decimal
138889185
12
Duodecimal
3a61b829
16
Hexadecimal
84747e1
20
Vigesimal
23812j5
36
Base36
2aovkx
md5
dd30145084d767fd0f50cd0571141e4a
sha1
67968663dc3897dccb24d74930a252c8ee48c0b9
sha256
00605b9f60c1b243257036ef3a893d6505ed294a15d6791fc0d92bad2ced2e52
sha512
7786a6a6c232bf40b828d074b45445d24a3689319881e5f8d63da441c221eb1d5116495ba01051116b9f08dfc80c8f3122285f067c2dc2078f3719c648256b41
ripemd-160
6cb480b7e571c30e3ee76636ea801c74cc7a092b
Diameter
277778370
Circumference
872666486.51815
Area
6.0601968544659E+16
Volume
1.1222610694085E+25
Surface area
2.4240787417864E+17
Circumference
872666486.51815
Perimeter
555556740
Area
19290205709964225
Diagonal
196418969.09395
Surface area
115741234259785350
Volume
2.6792009495393E+24
Space diagonal
240563125.04183
Perimeter
416667555
Area
8.3529040945283E+15
Altitude
120281562.52092
Surface area
8.3529040945283E+15
Volume
3.1574685993011E+23
Height
65472989.697982