138742018 is an even 9-digits composite number following 138742017
and preceding 138742019 . In scientific notation, it is written as 1.38742018 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 69007620 positive integers (up to 138742018) that are relatively prime to 138742018.
138742018 has 8 divisors, whose sum is 209203200
The reverse of 138742018 is 810247831
Previous prime number is 191
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred thirty-eight million seven hundred forty-two thousand eighteen
Scientific notation
1.38742018 × 10^8
Engineering notation
1.38742018 × 10^6
Prime Factorization
2 × 191 × 363199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138742018
Product of the distinct prime numbers
The prime factorization of 138742018 is 2 × 191 × 363199.
Since it has a total of 3 prime factors.
8 , 6 , 42 , 7 , 625 , 457 , 7638 , 4234 , 7325 , 99715 , 51005 , 651117 , 4229939 , 3458108 , 6094707 , 85547605 , 875844242 , 239025367 , 5426399278 , 1113444899
n×2
277484036
n×3
416226054
n×4
554968072
n×5
693710090
n÷2
69371009
n÷3
46247339.333333
n÷3
34685504.5
n÷5
27748403.6
n2
19249347558712324
n3
2.6706933254791E+24
n4
3.705373814361E+32
n5
5.1409104044881E+40
2 √n
11778.880167486
3 √n
517.68947514252
4 √n
108.53054946643
5 √n
42.505154724105
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
-138742017
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 138742018 can be divided by 8 positive divisors.
The sum of these divisors (counting 138742018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001010000100100000010
3
Ternary
100200001211021021
4
Quaternary
20101100210002
5
Quinary
241004221033
6
Senary
21433420054
8
Octal
1021204402
10
Decimal
138742018
12
Duodecimal
3a56a62a
16
Hexadecimal
8450902
20
Vigesimal
2372f0i
36
Base36
2alq0y
md5
abc73fa43abd90aa4eb75edfbc1e7584
sha1
f4a01c86465e11a77709e6b5fa555090b45d6a4c
sha256
8022e9a3806d3f46e61f820cc9d66b27ef59dd7ff152710a421672ae4a52a86b
sha512
d26e6315cf5d1c37bb9d659faa777cca415fcdcb7afc58c380bfe72043dd9c87a40a0222725263da4ef78269dc8ea9d607f9f1651f07c1f0d820e6a76aa327f1
ripemd-160
55d0a0c22a024a8cbabccb8b10ad1d625a5b440e
Diameter
277484036
Circumference
871741808.98605
Area
6.0473608876847E+16
Volume
1.1186974041755E+25
Surface area
2.4189443550739E+17
Circumference
871741808.98605
Perimeter
554968072
Area
19249347558712324
Diagonal
196210843.52661
Surface area
115496085352273944
Volume
2.6706933254791E+24
Space diagonal
240308224.32064
Perimeter
416226054
Area
8.3352119960604E+15
Altitude
120154112.16032
Surface area
8.3352119960604E+15
Volume
3.1474422681932E+23
Height
65403614.508871