138355887 is an odd 9-digits composite number following 138355886
and preceding 138355888 . In scientific notation, it is written as 1.38355887 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 91617920 positive integers (up to 138355887) that are relatively prime to 138355887.
138355887 has 8 divisors, whose sum is 185713200
The reverse of 138355887 is 788553831
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred thirty-eight million three hundred fifty-five thousand eight hundred eighty-seven
Scientific notation
1.38355887 × 10^8
Engineering notation
1.38355887 × 10^6
Prime Factorization
3 × 149 × 309521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138355887
Product of the distinct prime numbers
The prime factorization of 138355887 is 3 × 149 × 309521.
Since it has a total of 3 prime factors.
8 , 2 , 76 , 12 , 863 , 259 , 4052 , 6497 , 12788 , 69917 , 107548 , 348706 , 6755330 , 1426329 , 11417686 , 27247907 , 518706778 , 91269432 , 3122770214 , 11577964
n×2
276711774
n×3
415067661
n×4
553423548
n×5
691779435
n÷2
69177943.5
n÷3
46118629
n÷3
34588971.75
n÷5
27671177.4
n2
19142351467556769
n3
2.6484570165596E+24
n4
3.6642961970747E+32
n5
5.06976950577E+40
2 √n
11762.477927716
3 √n
517.20877076897
4 √n
108.45495805963
5 √n
42.481469239735
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
-138355886
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 138355887 can be divided by 8 positive divisors.
The sum of these divisors (counting 138355887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111110010010010101111
3
Ternary
100122100012121010
4
Quaternary
20033302102233
5
Quinary
240404342022
6
Senary
21421240303
8
Octal
1017622257
10
Decimal
138355887
12
Duodecimal
3a403093
16
Hexadecimal
83f24af
20
Vigesimal
234e9e7
36
Base36
2adg33
md5
687ea0a1c80259dedd3bfb80116d9fd7
sha1
35e89b6d6e51d8e6e1457a8c8726953484f4e004
sha256
793f9409f28a6e12a72dacf8bfd2d8072b443123ff6bb7883eaa2bbcdb679ff1
sha512
3f9e90ce929e246df5f353fcc064a7b2d36dc798c029673d466fe166de9f4bf04b36df7b0dff22a6146135efaed6d78a26cdd18debfcf57091516d3a0b00c63f
ripemd-160
ad5d30cecd564396b1c26c1869144a3a556b1938
Diameter
276711774
Circumference
869315676.3602
Area
6.013747074291E+16
Volume
1.1093830808763E+25
Surface area
2.4054988297164E+17
Circumference
869315676.3602
Perimeter
553423548
Area
19142351467556769
Diagonal
195664771.82956
Surface area
114854108805340614
Volume
2.6484570165596E+24
Space diagonal
239639425.81026
Perimeter
415067661
Area
8.2888813295372E+15
Altitude
119819712.90513
Surface area
8.2888813295372E+15
Volume
3.1212365268173E+23
Height
65221590.609853