138987757 is an odd 9-digits composite number following 138987756
and preceding 138987758 . In scientific notation, it is written as 1.38987757 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 137688700 positive integers (up to 138987757) that are relatively prime to 138987757.
138987757 has 4 divisors, whose sum is 140286816
The reverse of 138987757 is 757789831
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred thirty-eight million nine hundred eighty-seven thousand seven hundred fifty-seven
Scientific notation
1.38987757 × 10^8
Engineering notation
1.38987757 × 10^6
Prime Factorization
107 × 1298951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138987757
Product of the distinct prime numbers
The prime factorization of 138987757 is 107 × 1298951.
Since it has a total of 2 prime factors.
4 , 2 , 39 , 69 , 6 , 266 , 3618 , 7849 , 72811 , 68685 , 884543 , 938449 , 7475240 , 5597052 , 85106742 , 22738259 , 319869870 , 39799035 , 2189352862 , 3223282634
n×2
277975514
n×3
416963271
n×4
555951028
n×5
694938785
n÷2
69493878.5
n÷3
46329252.333333
n÷3
34746939.25
n÷5
27797551.4
n2
19317596595891049
n3
2.6849094214937E+24
n4
3.7316953824158E+32
n5
5.1865997100923E+40
2 √n
11789.306892265
3 √n
517.99493766265
4 √n
108.5785747386
5 √n
42.520201041076
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
-138987756
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 138987757 can be divided by 4 positive divisors.
The sum of these divisors (counting 138987757) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010010001100100011101101
3
Ternary
100200112022100201
4
Quaternary
20102030203231
5
Quinary
241040102012
6
Senary
21442553501
8
Octal
1022144355
10
Decimal
138987757
12
Duodecimal
3a668891
16
Hexadecimal
848c8ed
20
Vigesimal
238d97h
36
Base36
2aqzn1
md5
c43ceea61120d4e8eec4d97872f48c98
sha1
48e064e23e3e1b34c05ac92664326bf6dacb57b2
sha256
34522859acbf52d93971b96bade05149c42f71ca40d0a2f05990d42a6ae03900
sha512
28ea7904c5b99cb1f8b4a8c333c7fe1b054f2941d1183a7e780ce08859b8934b7f08e40fd082b22639fc7be6bfa0e778eec9ebf2c870e10c1813af2f1e38f392
ripemd-160
8c56271a5c7b9df064625d135d7ac47a82ce2da4
Diameter
277975514
Circumference
873285832.66025
Area
6.0688019550663E+16
Volume
1.1246522285492E+25
Surface area
2.4275207820265E+17
Circumference
873285832.66025
Perimeter
555951028
Area
19317596595891049
Diagonal
196558370.95322
Surface area
115905579575346294
Volume
2.6849094214937E+24
Space diagonal
240733856.75404
Perimeter
416963271
Area
8.3647646960507E+15
Altitude
120366928.37702
Surface area
8.3647646960507E+15
Volume
3.1641960980164E+23
Height
65519456.984405