138807687 is an odd 9-digits composite number following 138807686
and preceding 138807688 . In scientific notation, it is written as 1.38807687 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 92538456 positive integers (up to 138807687) that are relatively prime to 138807687.
138807687 has 4 divisors, whose sum is 185076920
The reverse of 138807687 is 786708831
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred thirty-eight million eight hundred seven thousand six hundred eighty-seven
Scientific notation
1.38807687 × 10^8
Engineering notation
1.38807687 × 10^6
Prime Factorization
3 × 46269229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138807687
Product of the distinct prime numbers
The prime factorization of 138807687 is 3 × 46269229.
Since it has a total of 2 prime factors.
7 , 8 , 49 , 96 , 961 , 838 , 4669 , 4290 , 8146 , 57550 , 386061 , 516863 , 8589570 , 634399 , 51940023 , 81992578 , 472836729 , 395324744 , 8852398996 , 2289206695
n×2
277615374
n×3
416423061
n×4
555230748
n×5
694038435
n÷2
69403843.5
n÷3
46269229
n÷3
34701921.75
n÷5
27761537.4
n2
19267573970289969
n3
2.6744873769174E+24
n4
3.712394067006E+32
n5
5.1530883367362E+40
2 √n
11781.667411704
3 √n
517.771139391
4 √n
108.5433895348
5 √n
42.509177647705
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
-138807686
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 138807687 can be divided by 4 positive divisors.
The sum of these divisors (counting 138807687) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001100000100110000111
3
Ternary
100200012011100110
4
Quaternary
20101200212013
5
Quinary
241013321222
6
Senary
21435044103
8
Octal
1021404607
10
Decimal
138807687
12
Duodecimal
3a5a0633
16
Hexadecimal
8460987
20
Vigesimal
237aj47
36
Base36
2an4p3
md5
5467d8ca5b0d2ac65597837ac884038d
sha1
59ad329abf04dda0e18cd2ea4ab5ce71de78592b
sha256
7729a016b90ccbee1e5580f218efce2d9a3b28e8d6532a1394a91d02fcf7dc82
sha512
ef60f7ee6b6e2990f2724208c96a92834dc428056fbc532ee0c1844a464a021f38891dc0a646341c9b12f9e4f17ecbf2f9adada12a6e5c05d6b6b03a36bb9b5f
ripemd-160
a2804d35e90b633782ab4040c6cbe6c4376c99cc
Diameter
277615374
Circumference
872154419.48198
Area
6.0530868837561E+16
Volume
1.1202866527256E+25
Surface area
2.4212347535024E+17
Circumference
872154419.48198
Perimeter
555230748
Area
19267573970289969
Diagonal
196303713.51704
Surface area
115605443821739814
Volume
2.6744873769174E+24
Space diagonal
240421966.36512
Perimeter
416423061
Area
8.3431042637835E+15
Altitude
120210983.18256
Surface area
8.3431042637835E+15
Volume
3.1519136006935E+23
Height
65434571.172347