138185845 is an odd 9-digits composite number following 138185844
and preceding 138185846 . In scientific notation, it is written as 1.38185845 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 94590720 positive integers (up to 138185845) that are relatively prime to 138185845.
138185845 has 8 divisors, whose sum is 142382016
The reverse of 138185845 is 548581831
Previous prime number is 6257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred thirty-eight million one hundred eighty-five thousand eight hundred forty-five
Scientific notation
1.38185845 × 10^8
Engineering notation
1.38185845 × 10^6
Prime Factorization
35 × 6257 × 631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138185845
Product of the distinct prime numbers
The prime factorization of 138185845 is 35 × 6257 × 631.
Since it has a total of 3 prime factors.
3 , 10 , 49 , 68 , 806 , 464 , 7797 , 5181 , 56978 , 69804 , 257845 , 276391 , 856913 , 3564981 , 8574516 , 35367832 , 923465488 , 394849214 , 6876051494 , 6092981518
n×2
276371690
n×3
414557535
n×4
552743380
n×5
690929225
n÷2
69092922.5
n÷3
46061948.333333
n÷3
34546461.25
n÷5
27637169
n2
19095327758364025
n3
2.6387040018415E+24
n4
3.6463154219935E+32
n5
5.038691777247E+40
2 √n
11755.247551626
3 √n
516.99679745406
4 √n
108.42161939219
5 √n
42.471021996812
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
-138185844
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 138185845 can be divided by 8 positive divisors.
The sum of these divisors (counting 138185845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111001000110001110101
3
Ternary
100122000120100021
4
Quaternary
20033020301311
5
Quinary
240333421340
6
Senary
21413445141
8
Octal
1017106165
10
Decimal
138185845
12
Duodecimal
3a3407b1
16
Hexadecimal
83c8c75
20
Vigesimal
233d4c5
36
Base36
2a9svp
md5
5c60f8c7b8a4ea69990cff9acc0662ac
sha1
72c5f5005235b0253dfa6500f74ec9f20638f2f0
sha256
10595c0d3994d36f69d72999ee0199284b3e978567cf2ed68beb5b1e91526352
sha512
2e4e714c146685a743eba44930617a1ea25321baafe1539650fb8fd6e5ef8726fb3dc343c8511da44683b5dc914fd3d0b7e9e4999c396286ac1a12df93579436
ripemd-160
ffc1fa5a0162dcbeee409923c2a6a9f4d11f3c5f
Diameter
276371690
Circumference
868247270.9642
Area
5.9989741403566E+16
Volume
1.1052977476244E+25
Surface area
2.3995896561426E+17
Circumference
868247270.9642
Perimeter
552743380
Area
19095327758364025
Diagonal
195424296.12699
Surface area
114571966550184150
Volume
2.6387040018415E+24
Space diagonal
239344904.42684
Perimeter
414557535
Area
8.2685194661667E+15
Altitude
119672452.21342
Surface area
8.2685194661667E+15
Volume
3.1097424887437E+23
Height
65141432.042329