138156909 is an odd 9-digits composite number following 138156908
and preceding 138156910 . In scientific notation, it is written as 1.38156909 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 78478080 positive integers (up to 138156909) that are relatively prime to 138156909.
138156909 has 32 divisors, whose sum is 213663744
The reverse of 138156909 is 909651831
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred thirty-eight million one hundred fifty-six thousand nine hundred nine
Scientific notation
1.38156909 × 10^8
Engineering notation
1.38156909 × 10^6
Prime Factorization
3 × 11 × 17 × 383 × 643
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
138156909
Product of the distinct prime numbers
The prime factorization of 138156909 is 3 × 11 × 17 × 383 × 643.
Since it has a total of 5 prime factors.
1 , 1 , 86 , 60 , 459 , 480 , 783 , 2415 , 73836 , 39469 , 684562 , 858331 , 5229841 , 4260447 , 93255749 , 95938107 , 737104201 , 19269482 , 4665426532 , 4535194539
n×2
276313818
n×3
414470727
n×4
552627636
n×5
690784545
n÷2
69078454.5
n÷3
46052303
n÷3
34539227.25
n÷5
27631381.8
n2
19087331504434281
n3
2.637046721711E+24
n4
3.6432622396017E+32
n5
5.0334184969979E+40
2 √n
11754.016717701
3 √n
516.96070870309
4 √n
108.41594309741
5 √n
42.469243168538
1 , 3 , 11 , 17 , 33 , 51 , 187 , 383 , 561 , 643 , 1149 , 1929 , 4213 , 6511 , 7073 , 10931 , 12639 , 19533 , 21219 , 32793 , 71621 , 120241 , 214863 , 246269 , 360723 , 738807 , 2708959 , 4186573 , 8126877 , 12559719 , 46052303 , 138156909
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138156908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138156909 can be divided by 32 positive divisors.
The sum of these divisors (counting 138156909) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000001111000001101101101101
3
Ternary
100121222002122120
4
Quaternary
20033001231231
5
Quinary
240332010114
6
Senary
21413103153
8
Octal
1017015555
10
Decimal
138156909
12
Duodecimal
3a327ab9
16
Hexadecimal
83c1b6d
20
Vigesimal
2339c59
36
Base36
2a96jx
md5
dd11a132d450301374bd9b94e9630da2
sha1
12f9e4b68aa9bd973c354b02a7314c71f3a03330
sha256
3c24ee85cd0170b45677a7f7b12127555268a701887e167e21ff22be56ee237a
sha512
a0acee4ce1ab9b1347aff324988535d01105dda732cedeface6a10b8b9eaf4efb8f984735559c171692a3a85b5042b07bf40d230da54d6da4b70ef15cccf706c
ripemd-160
73dcb4d42f55a247187806a338fff7ddb717115a
Diameter
276313818
Circumference
868065460.71415
Area
5.9964620430964E+16
Volume
1.1046035477467E+25
Surface area
2.3985848172385E+17
Circumference
868065460.71415
Perimeter
552627636
Area
19087331504434281
Diagonal
195383374.44335
Surface area
114523989026605686
Volume
2.637046721711E+24
Space diagonal
239294785.80467
Perimeter
414470727
Area
8.2650569866476E+15
Altitude
119647392.90233
Surface area
8.2650569866476E+15
Volume
3.1077893653793E+23
Height
65127791.481115