138642009 is an odd 9-digits composite number following 138642008
and preceding 138642010 . In scientific notation, it is written as 1.38642009 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 83466000 positive integers (up to 138642009) that are relatively prime to 138642009.
138642009 has 8 divisors, whose sum is 143794432
The reverse of 138642009 is 900246831
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred thirty-eight million six hundred forty-two thousand nine
Scientific notation
1.38642009 × 10^8
Engineering notation
1.38642009 × 10^6
Prime Factorization
33 × 151 × 27823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138642009
Product of the distinct prime numbers
The prime factorization of 138642009 is 33 × 151 × 27823.
Since it has a total of 3 prime factors.
9 , 4 , 45 , 4 , 32 , 118 , 9292 , 6054 , 9856 , 92833 , 650103 , 81647 , 2895997 , 7400594 , 80541019 , 14929438 , 887885358 , 972545620 , 9672679406 , 6414779673
n×2
277284018
n×3
415926027
n×4
554568036
n×5
693210045
n÷2
69321004.5
n÷3
46214003
n÷3
34660502.25
n÷5
27728401.8
n2
19221606659556081
n3
2.6649221634886E+24
n4
3.6947016257469E+32
n5
5.1224085604912E+40
2 √n
11774.634134443
3 √n
517.56505705013
4 √n
108.51098623846
5 √n
42.499025183429
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
-138642008
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 138642009 can be divided by 8 positive divisors.
The sum of these divisors (counting 138642009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010000111000001001011001
3
Ternary
100122212202002020
4
Quaternary
20100320021121
5
Quinary
240443021014
6
Senary
21431325053
8
Octal
1020701131
10
Decimal
138642009
12
Duodecimal
3a520789
16
Hexadecimal
8438259
20
Vigesimal
236a509
36
Base36
2ajkux
md5
832253f407d374bc5dc93fd9a469645a
sha1
b13e7ed7a7b7c01fd6692a476193e951e5284c75
sha256
f473fc502dc5fbd365f8acf122269337eeaea1822714d9047c6a4da1140c0466
sha512
ae898127a3c1b8062ed86c14e4d5d9c3f01ec15ab0d6c6681755d5e86f66ac4294d3dcdca642451202e4a56b612bcdef11bcd5077ddfe4565988e1d8a3a3c4c7
ripemd-160
c210f76ce9cc8441b3dbd8a76aeabd13181e26f2
Diameter
277284018
Circumference
871113433.90666
Area
6.0386458271854E+16
Volume
1.1162799854939E+25
Surface area
2.4154583308742E+17
Circumference
871113433.90666
Perimeter
554568036
Area
19221606659556081
Diagonal
196069409.44245
Surface area
115329639957336486
Volume
2.6649221634886E+24
Space diagonal
240135003.65142
Perimeter
415926027
Area
8.3231998343639E+15
Altitude
120067501.82571
Surface area
8.3231998343639E+15
Volume
3.1406408885619E+23
Height
65356469.814151