138136905 is an odd 9-digits composite number following 138136904
and preceding 138136906 . In scientific notation, it is written as 1.38136905 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 72955296 positive integers (up to 138136905) that are relatively prime to 138136905.
138136905 has 16 divisors, whose sum is 185976960
The reverse of 138136905 is 509631831
Previous prime number is 103
Is Prime? no Number parity odd Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred thirty-eight million one hundred thirty-six thousand nine hundred five
Scientific notation
1.38136905 × 10^8
Engineering notation
1.38136905 × 10^6
Prime Factorization
9 × 5 × 103 × 29803
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
138136905 Product of the distinct prime numbers
The prime factorization of 138136905 is 9 × 5 × 103 × 29803.
Since it has a total of 4 prime factors.
5 , 10 , 38 , 50 , 553 , 943 , 118 , 605 , 54283 , 45219 , 706323 , 883967 , 2486178 , 2864309 , 27263141 , 50995250 , 90231368 , 477429307 , 2068747429 , 7224788951
n×2
276273810
n×3
414410715
n×4
552547620
n×5
690684525
n÷2
69068452.5
n÷3
46045635
n÷3
34534226.25
n÷5
27627381
n2
19081804522979025
n3
2.6359014186193E+24
n4
3.6411526385318E+32
n5
5.0297755611937E+40
2 √n11753.165743748
3 √n516.93575692605
4 √n108.41201844698
5 √n42.468013256904
1 , 5 , 9 , 45 , 103 , 515 , 927 , 4635 , 29803 , 149015 , 268227 , 1341135 , 3069709 , 15348545 , 27627381 , 138136905
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-138136904 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138136905 can be divided by 16 positive divisors.
The sum of these divisors (counting 138136905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001110111100110101001001
3
Ternary
100121221002012200
4
Quaternary
20032330311021
5
Quinary
240330340110
6
Senary
21412430413
8
Octal
1016746511
10
Decimal
138136905
12
Duodecimal
3a318409
16
Hexadecimal
83bcd49
20
Vigesimal
2337255
36
Base36
2a8r49
md5
c797100cf694922f6cc8d5ef89fb0aa3
sha1
d609ff743e57da9293846e6c524732c1d937865d
sha256
52f7f9bb827aec345f3be447dc4ded540049550cd08e98cb35a18015a32af450
sha512
2409e4d981ed5a92865982002e07d2e973f2a8f94976b99ff54103d25c2670e3c07e771e8d221e015dd7744170911d3c962fd4e08b81dca862ff74327716afc5
ripemd-160
827549cc01fd97c127f27b4a5898342aa395eb76
Diameter
276273810
Circumference
867939771.87526
Area
5.9947256906627E+16
Volume
1.1041238043095E+25
Surface area
2.3978902762651E+17
Circumference
867939771.87526
Perimeter
552547620
Area
19081804522979025
Diagonal
195355084.51524
Surface area
114490827137874150
Volume
2.6359014186193E+24
Space diagonal
239260137.86032
Perimeter
414410715
Area
8.2626637334743E+15
Altitude
119630068.93016
Surface area
8.2626637334743E+15
Volume
3.1064396127416E+23
Height
65118361.505081