138697831 is an odd 9-digits composite number following 138697830
and preceding 138697832 . In scientific notation, it is written as 1.38697831 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 138145000 positive integers (up to 138697831) that are relatively prime to 138697831.
138697831 has 4 divisors, whose sum is 139250664
The reverse of 138697831 is 138796831
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred thirty-eight million six hundred ninety-seven thousand eight hundred thirty-one
Scientific notation
1.38697831 × 10^8
Engineering notation
1.38697831 × 10^6
Prime Factorization
251 × 552581
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138697831
Product of the distinct prime numbers
The prime factorization of 138697831 is 251 × 552581.
Since it has a total of 2 prime factors.
7 , 7 , 4 , 91 , 807 , 249 , 6531 , 9300 , 38570 , 25801 , 120070 , 229112 , 1052482 , 4708455 , 32903107 , 86498231 , 873993159 , 446161812 , 2712202788 , 6898778022
n×2
277395662
n×3
416093493
n×4
554791324
n×5
693489155
n÷2
69348915.5
n÷3
46232610.333333
n÷3
34674457.75
n÷5
27739566.2
n2
19237088324104561
n3
2.6681424253087E+24
n4
3.700655671894E+32
n5
5.1327291496955E+40
2 √n
11777.004330474
3 √n
517.63451084248
4 √n
108.5219071454
5 √n
42.502446943706
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
-138697830
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 138697831 can be divided by 4 positive divisors.
The sum of these divisors (counting 138697831) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001000101110001100111
3
Ternary
100122222120122201
4
Quaternary
20101011301213
5
Quinary
241001312311
6
Senary
21432435331
8
Octal
1021056147
10
Decimal
138697831
12
Duodecimal
3a548b47
16
Hexadecimal
8445c67
20
Vigesimal
236h4bb
36
Base36
2akrxj
md5
b270d40167c8539229e81887c0706fc8
sha1
0f1e867dcc8c83701073ecccbdca1a9976fa5c6d
sha256
04693c3eec43891f9fca3ca186a72ba7a7231b44a650dfaf6b74c717fb1f56b7
sha512
69aab2065ce754e45e295ab3438f7130bd413e3233bf719d1acaf92d841ae26b4fd3f6f6f8767ea2b909602aa9b1258dc31b2412ade15d80d2224304bc1cd921
ripemd-160
5fba6d40c44fa1ac539d94d0897936e39a0ef0de
Diameter
277395662
Circumference
871464173.87688
Area
6.0435095355465E+16
Volume
1.1176288856108E+25
Surface area
2.4174038142186E+17
Circumference
871464173.87688
Perimeter
554791324
Area
19237088324104561
Diagonal
196148353.67193
Surface area
115422529944627366
Volume
2.6681424253087E+24
Space diagonal
240231690.1916
Perimeter
416093493
Area
8.3299035917598E+15
Altitude
120115845.0958
Surface area
8.3299035917598E+15
Volume
3.1444360035122E+23
Height
65382784.557311