138869309 is an odd 9-digits composite number following 138869308
and preceding 138869310 . In scientific notation, it is written as 1.38869309 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 131252832 positive integers (up to 138869309) that are relatively prime to 138869309.
138869309 has 8 divisors, whose sum is 146520000
The reverse of 138869309 is 903968831
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million eight hundred sixty-nine thousand three hundred nine
Scientific notation
1.38869309 × 10^8
Engineering notation
1.38869309 × 10^6
Prime Factorization
19 × 439 × 16649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138869309
Product of the distinct prime numbers
The prime factorization of 138869309 is 19 × 439 × 16649.
Since it has a total of 3 prime factors.
5 , 4 , 100 , 29 , 794 , 251 , 8023 , 2220 , 38771 , 29980 , 745116 , 286177 , 928780 , 2656180 , 70101535 , 15004744 , 640459595 , 137115472 , 4104609381 , 8371272580
n×2
277738618
n×3
416607927
n×4
555477236
n×5
694346545
n÷2
69434654.5
n÷3
46289769.666667
n÷3
34717327.25
n÷5
27773861.8
n2
19284684982137481
n3
2.6780508777521E+24
n4
3.7189907486028E+32
n5
5.1645367543586E+40
2 √n
11784.282286164
3 √n
517.84774747509
4 √n
108.55543416229
5 √n
42.512951265099
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
-138869308
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 138869309 can be divided by 8 positive divisors.
The sum of these divisors (counting 138869309) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001101111101000111101
3
Ternary
100200022021212202
4
Quaternary
20101233220331
5
Quinary
241022304214
6
Senary
21440241245
8
Octal
1021575075
10
Decimal
138869309
12
Duodecimal
3a610225
16
Hexadecimal
846fa3d
20
Vigesimal
237id59
36
Base36
2aog8t
md5
703a75698b9f0601fddba2903974598e
sha1
4876b711013c8765ac42fad00958bd1e0108b2c9
sha256
7da483e1454b3e794c2b9cec27a4a0ab6bc33ae67c9bcbb6b19a44a7b73218d5
sha512
be55c76b5472b3d0a6327ddf3ad3ede576ed064e86dd226e18fa95a3c08d6c166106ae7d6671f4b40c8162ecf5aeac52c8ab134f565c6bb0404dcc965e511da6
ripemd-160
135110b9303cf20f6cc10a7920a05a5e0b1c1041
Diameter
277738618
Circumference
872541601.92698
Area
6.0584624666677E+16
Volume
1.1217793284648E+25
Surface area
2.4233849866671E+17
Circumference
872541601.92698
Perimeter
555477236
Area
19284684982137481
Diagonal
196390860.18518
Surface area
115708109892824886
Volume
2.6780508777521E+24
Space diagonal
240528698.79998
Perimeter
416607927
Area
8.3505135492557E+15
Altitude
120264349.39999
Surface area
8.3505135492557E+15
Volume
3.1561132267018E+23
Height
65463620.061727