138689218 is an even 9-digits composite number following 138689217
and preceding 138689219 . In scientific notation, it is written as 1.38689218 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 66329604 positive integers (up to 138689218) that are relatively prime to 138689218.
138689218 has 8 divisors, whose sum is 217078848
The reverse of 138689218 is 812986831
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred thirty-eight million six hundred eighty-nine thousand two hundred eighteen
Scientific notation
1.38689218 × 10^8
Engineering notation
1.38689218 × 10^6
Prime Factorization
2 × 23 × 3014983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138689218
Product of the distinct prime numbers
The prime factorization of 138689218 is 2 × 23 × 3014983.
Since it has a total of 3 prime factors.
4 , 3 , 11 , 61 , 908 , 259 , 7754 , 1719 , 6265 , 72671 , 130628 , 299026 , 3034629 , 947828 , 59454206 , 37432416 , 537432438 , 84343289 , 9583290401 , 1471590596
n×2
277378436
n×3
416067654
n×4
554756872
n×5
693446090
n÷2
69344609
n÷3
46229739.333333
n÷3
34672304.5
n÷5
27737843.6
n2
19234699189451524
n3
2.6676453890503E+24
n4
3.6997365290869E+32
n5
5.1311356602509E+40
2 √n
11776.638654557
3 √n
517.62379575463
4 √n
108.52022233002
5 √n
42.501919058495
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
-138689217
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 138689218 can be divided by 8 positive divisors.
The sum of these divisors (counting 138689218) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001000011101011000010
3
Ternary
100122222010211201
4
Quaternary
20101003223002
5
Quinary
241001023333
6
Senary
21432331414
8
Octal
1021035302
10
Decimal
138689218
12
Duodecimal
3a543b6a
16
Hexadecimal
8443ac2
20
Vigesimal
236g30i
36
Base36
2aklaa
md5
dd20dd3203566937ade66ed5f4589c09
sha1
217d01a9fd79a7976cd1a82e9b0c7a53efdf20d1
sha256
c1d8e65c57dc71bdcef3f3706f234292eadad235dba60a93a2aa15afc3ed6ef4
sha512
35055fc1855b2681c64f9982980b8ba801f154172618b8dbaa7a24b7bacd1ede8caad85c8c1efaf821554a0e1a9c24287489c008c47241940cde615cf6df2cc7
ripemd-160
f98198022fb033f18ef27ba83868c959556be547
Diameter
277378436
Circumference
871410056.80183
Area
6.042758966759E+16
Volume
1.1174206875497E+25
Surface area
2.4171035867036E+17
Circumference
871410056.80183
Perimeter
554756872
Area
19234699189451524
Diagonal
196136173.05052
Surface area
115408195136709144
Volume
2.6676453890503E+24
Space diagonal
240216772.038
Perimeter
416067654
Area
8.3288690661085E+15
Altitude
120108386.019
Surface area
8.3288690661085E+15
Volume
3.1438502406641E+23
Height
65378724.350173