138281666 is an even 9-digits composite number following 138281665
and preceding 138281667 . In scientific notation, it is written as 1.38281666 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 69140832 positive integers (up to 138281666) that are relatively prime to 138281666.
138281666 has 4 divisors, whose sum is 207422502
The reverse of 138281666 is 666182831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred thirty-eight million two hundred eighty-one thousand six hundred sixty-six
Scientific notation
1.38281666 × 10^8
Engineering notation
1.38281666 × 10^6
Prime Factorization
2 × 69140833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138281666
Product of the distinct prime numbers
The prime factorization of 138281666 is 2 × 69140833.
Since it has a total of 2 prime factors.
2 , 10 , 94 , 89 , 440 , 603 , 4568 , 1907 , 65375 , 7216 , 664477 , 636900 , 791989 , 2910251 , 47057811 , 99006958 , 681196252 , 599501906 , 5703367897 , 3899968791
n×2
276563332
n×3
414844998
n×4
553126664
n×5
691408330
n÷2
69140833
n÷3
46093888.666667
n÷3
34570416.5
n÷5
27656333.2
n2
19121819151735556
n3
2.6441970092527E+24
n4
3.6564396767168E+32
n5
5.056185701249E+40
2 √n
11759.322514499
3 √n
517.11626869715
4 √n
108.44040997017
5 √n
42.476910425522
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
-138281665
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 138281666 can be divided by 4 positive divisors.
The sum of these divisors (counting 138281666) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111100000001011000010
3
Ternary
100122012102210012
4
Quaternary
20033200023002
5
Quinary
240400003131
6
Senary
21415504522
8
Octal
1017401302
10
Decimal
138281666
12
Duodecimal
3a388142
16
Hexadecimal
83e02c2
20
Vigesimal
2345436
36
Base36
2abute
md5
a8a0ed0c2afb8950a352ab0bf14401ec
sha1
447061056131a726f59ab28067c1cf651b4dd015
sha256
73ef14590ab4f47be8cc5e93bfb2e1f582b88ffa382c39ba0f7da2511e91030b
sha512
b4104718ff829cf58b68a620d1e71bd928ee7fd54871cfab83740b0988f41c457bc1acf056d5870a01f26c92cae5bbcfe5323908e6a6b1129630186123cc494d
ripemd-160
6d20092f7d9a8c4e02103c79d55e5306d4e8c202
Diameter
276563332
Circumference
868849332.06351
Area
6.0072966570365E+16
Volume
1.1075986531883E+25
Surface area
2.4029186628146E+17
Circumference
868849332.06351
Perimeter
553126664
Area
19121819151735556
Diagonal
195559807.48475
Surface area
114730914910413336
Volume
2.6441970092527E+24
Space diagonal
239510871.26727
Perimeter
414844998
Area
8.2799905759874E+15
Altitude
119755435.63363
Surface area
8.2799905759874E+15
Volume
3.1162160600596E+23
Height
65186602.494916