138889668 is an even 9-digits composite number following 138889667
and preceding 138889669 . In scientific notation, it is written as 1.38889668 × 10^8.
The sum of its digits is 57. It has a total of 5 prime factors and 24 positive divisors.
There are 46124640 positive integers (up to 138889668) that are relatively prime to 138889668.
138889668 has 24 divisors, whose sum is 325279360
The reverse of 138889668 is 866988831
Previous prime number is 271
Is Prime? no
Number parity even
Number length 9
Sum of Digits 57
Digital Root 3
Name
one hundred thirty-eight million eight hundred eighty-nine thousand six hundred sixty-eight
Scientific notation
1.38889668 × 10^8
Engineering notation
1.38889668 × 10^6
Prime Factorization
2 × 2 × 3 × 271 × 42709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
69444834
Product of the distinct prime numbers
The prime factorization of 138889668 is 2 × 2 × 3 × 271 × 42709.
Since it has a total of 5 prime factors.
10 , 3 , 29 , 75 , 822 , 960 , 2550 , 1442 , 82229 , 70218 , 854431 , 463255 , 5002846 , 3030808 , 68933583 , 94813038 , 527497004 , 279250812 , 9185230942 , 2813998283
n×2
277779336
n×3
416669004
n×4
555558672
n×5
694448340
n÷2
69444834
n÷3
46296556
n÷3
34722417
n÷5
27777933.6
n2
19290339877150224
n3
2.6792289011446E+24
n4
3.7211721257597E+32
n5
5.1683236111762E+40
2 √n
11785.146074614
3 √n
517.87305267558
4 √n
108.55941264862
5 √n
42.514197718228
1 , 2 , 3 , 4 , 6 , 12 , 271 , 542 , 813 , 1084 , 1626 , 3252 , 42709 , 85418 , 128127 , 170836 , 256254 , 512508 , 11574139 , 23148278 , 34722417 , 46296556 , 69444834 , 138889668
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138889667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138889668 can be divided by 24 positive divisors.
The sum of these divisors (counting 138889668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000010001110100100111000100
3
Ternary
100200100022210210
4
Quaternary
20101310213010
5
Quinary
241023432133
6
Senary
21440515420
8
Octal
1021644704
10
Decimal
138889668
12
Duodecimal
3a61bb70
16
Hexadecimal
84749c4
20
Vigesimal
2381438
36
Base36
2aovyc
md5
5efa6a496e381d5228210c210df11fb3
sha1
4fff973ff99151ad0928931e25874fd8b2f392e2
sha256
3694adf3ffb0df35b7072330a520a855cd13c1fba6f9eb233128a490cd2731a4
sha512
f6a7d8480314b943f16387cf0bf12e43ab37d014320f48e4f07ef21ce36c56fa21aa900dfd56080e2625f358f15f541f06951a2aba083383a96788432e56c844
ripemd-160
f1864ecce2544bfc4a98fea34c88b6efc9ba787a
Diameter
277779336
Circumference
872669521.29665
Area
6.0602390043305E+16
Volume
1.1222727777495E+25
Surface area
2.4240956017322E+17
Circumference
872669521.29665
Perimeter
555558672
Area
19290339877150224
Diagonal
196419652.1591
Surface area
115742039262901344
Volume
2.6792289011446E+24
Space diagonal
240563961.62237
Perimeter
416669004
Area
8.352962190624E+15
Altitude
120281980.81119
Surface area
8.352962190624E+15
Volume
3.1575015405838E+23
Height
65473217.386365