138461905 is an odd 9-digits composite number following 138461904
and preceding 138461906 . In scientific notation, it is written as 1.38461905 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 110656128 positive integers (up to 138461905) that are relatively prime to 138461905.
138461905 has 8 divisors, whose sum is 166324392
The reverse of 138461905 is 509164831
Previous prime number is 27337
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred thirty-eight million four hundred sixty-one thousand nine hundred five
Scientific notation
1.38461905 × 10^8
Engineering notation
1.38461905 × 10^6
Prime Factorization
5 × 27337 × 1013
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138461905
Product of the distinct prime numbers
The prime factorization of 138461905 is 5 × 27337 × 1013.
Since it has a total of 3 prime factors.
6 , 5 , 77 , 20 , 323 , 580 , 9553 , 5248 , 9450 , 33991 , 561825 , 225142 , 1376038 , 751800 , 74978259 , 58468546 , 210625340 , 489033000 , 5079718767 , 565107018
n×2
276923810
n×3
415385715
n×4
553847620
n×5
692309525
n÷2
69230952.5
n÷3
46153968.333333
n÷3
34615476.25
n÷5
27692381
n2
19171699136229025
n3
2.6545499844891E+24
n4
3.6755404777008E+32
n5
5.0892233644707E+40
2 √n
11766.98368317
3 √n
517.34084427126
4 √n
108.47572854409
5 √n
42.487977702348
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
-138461904
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 138461905 can be divided by 8 positive divisors.
The sum of these divisors (counting 138461905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010000001100001011010001
3
Ternary
100122112121000201
4
Quaternary
20100030023101
5
Quinary
240421240110
6
Senary
21423415201
8
Octal
1020141321
10
Decimal
138461905
12
Duodecimal
3a454501
16
Hexadecimal
840c2d1
20
Vigesimal
2357ef5
36
Base36
2afpw1
md5
fdb1185300c31cd8e8c6d7d37e63c5e6
sha1
8e223069c67843966f8bf4586018a12f845c3e6c
sha256
12234c74ebdf28923e4155524d449de4b7e4748a8b1d2edfdfb6ba578b1b57fb
sha512
8a88ba61832c46734cb4f06573d692725d4bc0ee28badd4af2f17bed8d43bd65f4cfd0e44a7fe5663c605750076caf17e3d1bcb0921da7fcf765a943aaa7d4f3
ripemd-160
8bcd6625024efd12640d9937ed25de7c95171cab
Diameter
276923810
Circumference
869981807.1001
Area
6.0229669163211E+16
Volume
1.1119352973144E+25
Surface area
2.4091867665284E+17
Circumference
869981807.1001
Perimeter
553847620
Area
19171699136229025
Diagonal
195814703.92302
Surface area
115030194817374150
Volume
2.6545499844891E+24
Space diagonal
239823054.37278
Perimeter
415385715
Area
8.3015892428433E+15
Altitude
119911527.18639
Surface area
8.3015892428433E+15
Volume
3.1284171583848E+23
Height
65271567.974338