138293887 is an odd 9-digits prime number following 138293886
and preceding 138293888 . In scientific notation, it is written as 1.38293887 × 10^8.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 138293886 positive integers (up to 138293887) that are relatively prime to 138293887.
138293887 has 2 divisors, whose sum is 138293888
The reverse of 138293887 is 788392831
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred thirty-eight million two hundred ninety-three thousand eight hundred eighty-seven
Scientific notation
1.38293887 × 10^8
Engineering notation
1.38293887 × 10^6
Prime Factorization
138293887
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
138293887 Product of the distinct prime numbers
The prime factorization of 138293887 is 138293887.
Since it has a total of 1 prime factors.
4 , 8 , 57 , 81 , 465 , 816 , 3366 , 2611 , 17748 , 89520 , 749453 , 706959 , 3115326 , 1941946 , 4806855 , 48032346 , 276795432 , 66215911 , 115485513 , 739618724
n×2
276587774
n×3
414881661
n×4
553175548
n×5
691469435
n÷2
69146943.5
n÷3
46097962.333333
n÷3
34573471.75
n÷5
27658777.4
n2
19125199181568769
n3
2.6448981344684E+24
n4
3.6577324373468E+32
n5
5.0584203636667E+40
2 √n11759.842133294
3 √n517.13150207777
4 √n108.44280581622
5 √n42.477661200353
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
138293888 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
69146944 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11759.842175812 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999985538 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138293887 can be divided by 2 positive divisors.
The sum of these divisors (counting 138293887) is 138293888, the average is 69146944.
Base
System
Value
2
Binary
1000001111100011001001111111
3
Ternary
100122020001112211
4
Quaternary
20033203021333
5
Quinary
240400401022
6
Senary
21420041251
8
Octal
1017431177
10
Decimal
138293887
12
Duodecimal
3a393227
16
Hexadecimal
83e327f
20
Vigesimal
2346ee7
36
Base36
2ac48v
md5
e65f521c8be64dc7087ffe2387022174
sha1
0dee9054bda0974bf201dd088a71e6269e30d02f
sha256
493b37510e1b41fa4457454b7d618b7a2addce96d27f8785e4e61e0281d3ec6e
sha512
85a7068096fb775acb545f6cd9013520de31365748641bef1ec17dd48e57cdf8d64acca985a03c12f220401851ad0b130639434e3c0b6814be81ffe06b18a7a7
ripemd-160
aaaf36491e3de69a1089db1d231c42792bffb7b5
Diameter
276587774
Circumference
868926118.87115
Area
6.0083585247258E+16
Volume
1.1078923398319E+25
Surface area
2.4033434098903E+17
Circumference
868926118.87115
Perimeter
553175548
Area
19125199181568769
Diagonal
195577090.58869
Surface area
114751195089412614
Volume
2.6448981344684E+24
Space diagonal
239532038.66019
Perimeter
414881661
Area
8.281454171838E+15
Altitude
119766019.33009
Surface area
8.281454171838E+15
Volume
3.1170423440504E+23
Height
65192363.529564