138889189 is an odd 9-digits composite number following 138889188
and preceding 138889190 . In scientific notation, it is written as 1.38889189 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 136890000 positive integers (up to 138889189) that are relatively prime to 138889189.
138889189 has 8 divisors, whose sum is 140894720
The reverse of 138889189 is 981988831
Previous prime number is 751
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred thirty-eight million eight hundred eighty-nine thousand one hundred eighty-nine
Scientific notation
1.38889189 × 10^8
Engineering notation
1.38889189 × 10^6
Prime Factorization
79 × 751 × 2341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138889189
Product of the distinct prime numbers
The prime factorization of 138889189 is 79 × 751 × 2341.
Since it has a total of 3 prime factors.
9 , 4 , 27 , 85 , 155 , 507 , 3592 , 3088 , 72170 , 47981 , 96367 , 258131 , 1575969 , 7526105 , 23691449 , 11038475 , 705070516 , 278256058 , 8946921615 , 1243633197
n×2
277778378
n×3
416667567
n×4
555556756
n×5
694445945
n÷2
69444594.5
n÷3
46296396.333333
n÷3
34722297.25
n÷5
27777837.8
n2
19290206821077721
n3
2.6792011810218E+24
n4
3.7211207919995E+32
n5
5.1682344897185E+40
2 √n
11785.125752405
3 √n
517.87245733137
4 √n
108.5593190491
5 √n
42.514168393759
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
-138889188
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 138889189 can be divided by 8 positive divisors.
The sum of these divisors (counting 138889189) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001110100011111100101
3
Ternary
100200100022011001
4
Quaternary
20101310133211
5
Quinary
241023423224
6
Senary
21440513301
8
Octal
1021643745
10
Decimal
138889189
12
Duodecimal
3a61b831
16
Hexadecimal
84747e5
20
Vigesimal
23812j9
36
Base36
2aovl1
md5
2d78f544bceb01844b1340db2d72f0c7
sha1
ae33c5a6477301bdcd525b4e542f50e777714228
sha256
8bfaaffbad6b9e3280c71c7305f57261cdf4a9634f92904f3a0fed382180a4c2
sha512
5d07388eecd9b027d394d6ac3ca83a33444ed83488f8b87a7bf1c9d7998864df0f28b94878a63630c1e389da69597198d81ee8ed9330a534e1aad8673fd42974
ripemd-160
ed1dd88a8f425912530429d071459b0fc60ae5fb
Diameter
277778378
Circumference
872666511.65089
Area
6.0601972035325E+16
Volume
1.1222611663716E+25
Surface area
2.424078881413E+17
Circumference
872666511.65089
Perimeter
555556756
Area
19290206821077721
Diagonal
196418974.7508
Surface area
115741240926466326
Volume
2.6792011810218E+24
Space diagonal
240563131.97004
Perimeter
416667567
Area
8.3529045756546E+15
Altitude
120281565.98502
Surface area
8.3529045756546E+15
Volume
3.1574688721058E+23
Height
65472991.5836