138236487 is an odd 9-digits composite number following 138236486
and preceding 138236488 . In scientific notation, it is written as 1.38236487 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 92157656 positive integers (up to 138236487) that are relatively prime to 138236487.
138236487 has 4 divisors, whose sum is 184315320
The reverse of 138236487 is 784632831
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred thirty-eight million two hundred thirty-six thousand four hundred eighty-seven
Scientific notation
1.38236487 × 10^8
Engineering notation
1.38236487 × 10^6
Prime Factorization
3 × 46078829
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138236487
Product of the distinct prime numbers
The prime factorization of 138236487 is 3 × 46078829.
Since it has a total of 2 prime factors.
10 , 7 , 75 , 22 , 429 , 410 , 5005 , 3534 , 69884 , 47115 , 122666 , 678320 , 4085555 , 3639253 , 34984022 , 90541969 , 843073304 , 990234427 , 4242581232 , 6903377088
n×2
276472974
n×3
414709461
n×4
552945948
n×5
691182435
n÷2
69118243.5
n÷3
46078829
n÷3
34559121.75
n÷5
27647297.4
n2
19109326338101169
n3
2.6416061419157E+24
n4
3.6516635309605E+32
n5
5.0479313822599E+40
2 √n
11757.401371051
3 √n
517.05994563475
4 √n
108.43155154775
5 √n
42.474134475192
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
-138236486
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 138236487 can be divided by 4 positive divisors.
The sum of these divisors (counting 138236487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111010101001001000111
3
Ternary
100122010010210220
4
Quaternary
20033111021013
5
Quinary
240342031422
6
Senary
21414515423
8
Octal
1017251107
10
Decimal
138236487
12
Duodecimal
3a365b73
16
Hexadecimal
83d5247
20
Vigesimal
233jb47
36
Base36
2aavyf
md5
08849dafb9326a6f0a3f6a3a2b449cc3
sha1
944dad125eb762e4e8c7cbdc6163dd0d66a91715
sha256
36a73465e9ad99a465e91c5bef4a0fcdcd86fdd9f88d73d3778a9f79bddcab4e
sha512
88a224189c543a5beffdb2277fd5b83a4167dfe0af2cd519c49c5dae1d0a9df4e2922259e2a727abf122bccdcf28a3d8c707608e35f09a8f6c404eee9fe5ffe1
ripemd-160
4cb66dea6bf9017207ad5d36327ae4c9ef2a7d85
Diameter
276472974
Circumference
868565464.03452
Area
6.0033719238829E+16
Volume
1.106513393216E+25
Surface area
2.4013487695531E+17
Circumference
868565464.03452
Perimeter
552945948
Area
19109326338101169
Diagonal
195495914.73021
Surface area
114655958028607014
Volume
2.6416061419157E+24
Space diagonal
239432618.94383
Perimeter
414709461
Area
8.2745810290013E+15
Altitude
119716309.47192
Surface area
8.2745810290013E+15
Volume
3.113162693621E+23
Height
65165304.910071