138187438 is an even 9-digits composite number following 138187437
and preceding 138187439 . In scientific notation, it is written as 1.38187438 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 69093718 positive integers (up to 138187438) that are relatively prime to 138187438.
138187438 has 4 divisors, whose sum is 207281160
The reverse of 138187438 is 834781831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred thirty-eight million one hundred eighty-seven thousand four hundred thirty-eight
Scientific notation
1.38187438 × 10^8
Engineering notation
1.38187438 × 10^6
Prime Factorization
2 × 69093719
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138187438
Product of the distinct prime numbers
The prime factorization of 138187438 is 2 × 69093719.
Since it has a total of 2 prime factors.
4 , 4 , 47 , 5 , 590 , 271 , 7198 , 1892 , 50368 , 57550 , 493610 , 990092 , 2941236 , 1247673 , 19332143 , 14001542 , 526519459 , 493745592 , 628479995 , 9341385924
n×2
276374876
n×3
414562314
n×4
552749752
n×5
690937190
n÷2
69093719
n÷3
46062479.333333
n÷3
34546859.5
n÷5
27637487.6
n2
19095768021003844
n3
2.6387952594649E+24
n4
3.6464835631199E+32
n5
5.0389822129665E+40
2 √n
11755.315308404
3 √n
516.99878408478
4 √n
108.42193186069
5 √n
42.471119917154
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
-138187437
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 138187438 can be divided by 4 positive divisors.
The sum of these divisors (counting 138187438) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111001001001010101110
3
Ternary
100122000122112021
4
Quaternary
20033021022232
5
Quinary
240333444223
6
Senary
21413500354
8
Octal
1017111256
10
Decimal
138187438
12
Duodecimal
3a3416ba
16
Hexadecimal
83c92ae
20
Vigesimal
233d8bi
36
Base36
2a9u3y
md5
6d2f5a5bf45e21e4820624980662ae27
sha1
1510fd218ee252a1569e9a65798cd70f5ddf46a8
sha256
ee9bdd5fbff0d0a97f2ef6f1deb3aa4d6f75e60eacc025073999340b664b9370
sha512
047ace9029fda50a84549b2d167ba13fae7773180d8f8152684e65f05abe042cf15d2e444dd0851768eee9885c000c2ad66307427e3a0e193ff4e4f5327c765b
ripemd-160
1c3484cef21805f5aeedd302ae896252e119eeea
Diameter
276374876
Circumference
868257280.07839
Area
5.9991124529441E+16
Volume
1.1053359735283E+25
Surface area
2.3996449811776E+17
Circumference
868257280.07839
Perimeter
552749752
Area
19095768021003844
Diagonal
195426548.96919
Surface area
114574608126023064
Volume
2.6387952594649E+24
Space diagonal
239347663.58377
Perimeter
414562314
Area
8.2687101054819E+15
Altitude
119673831.79189
Surface area
8.2687101054819E+15
Volume
3.1098500368842E+23
Height
65142182.98973