138185842 is an even 9-digits composite number following 138185841
and preceding 138185843 . In scientific notation, it is written as 1.38185842 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 69092920 positive integers (up to 138185842) that are relatively prime to 138185842.
138185842 has 4 divisors, whose sum is 207278766
The reverse of 138185842 is 248581831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-eight million one hundred eighty-five thousand eight hundred forty-two
Scientific notation
1.38185842 × 10^8
Engineering notation
1.38185842 × 10^6
Prime Factorization
2 × 69092921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138185842
Product of the distinct prime numbers
The prime factorization of 138185842 is 2 × 69092921.
Since it has a total of 2 prime factors.
3 , 5 , 66 , 76 , 327 , 118 , 9474 , 1225 , 61298 , 39358 , 408642 , 478699 , 9284132 , 8066946 , 76405145 , 57570609 , 846548292 , 734458769 , 5719622540 , 7150676825
n×2
276371684
n×3
414557526
n×4
552743368
n×5
690929210
n÷2
69092921
n÷3
46061947.333333
n÷3
34546460.5
n÷5
27637168.4
n2
19095326929248964
n3
2.6387038299835E+24
n4
3.646315105349E+32
n5
5.0386912302997E+40
2 √n
11755.247424023
3 √n
516.99679371274
4 √n
108.42161880374
5 √n
42.471021812404
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138185841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138185842 can be divided by 4 positive divisors.
The sum of these divisors (counting 138185842) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111001000110001110010
3
Ternary
100122000120100011
4
Quaternary
20033020301302
5
Quinary
240333421332
6
Senary
21413445134
8
Octal
1017106162
10
Decimal
138185842
12
Duodecimal
3a3407aa
16
Hexadecimal
83c8c72
20
Vigesimal
233d4c2
36
Base36
2a9svm
md5
f8cfc1c59ccced5ae140c26587f479f7
sha1
2aeb6ba53f73ea9d22953a8f34b5137913fa05bc
sha256
1b42bb9ec38f14c8c0e57505ac90b3c8ce9406e8bb23fb33b680721736866d23
sha512
a75bb10d4b37ba2eadae921a2a663f8c809af1a2032a96e7c77ec225b96406cd0d0bd4e410cb2386a930095069363d79ae17f39e3d6698d1f698d65f7e4b117e
ripemd-160
51bdfb37d1ead0ab8dd489dda5cbd77f8cb38b94
Diameter
276371684
Circumference
868247252.11464
Area
5.9989738798824E+16
Volume
1.1052976756367E+25
Surface area
2.399589551953E+17
Circumference
868247252.11464
Perimeter
552743368
Area
19095326929248964
Diagonal
195424291.88435
Surface area
114571961575493784
Volume
2.6387038299835E+24
Space diagonal
239344899.23069
Perimeter
414557526
Area
8.2685191071493E+15
Altitude
119672449.61534
Surface area
8.2685191071493E+15
Volume
3.1097422862071E+23
Height
65141430.628115