138355985 is an odd 9-digits composite number following 138355984
and preceding 138355986 . In scientific notation, it is written as 1.38355985 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 110684784 positive integers (up to 138355985) that are relatively prime to 138355985.
138355985 has 4 divisors, whose sum is 166027188
The reverse of 138355985 is 589553831
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million three hundred fifty-five thousand nine hundred eighty-five
Scientific notation
1.38355985 × 10^8
Engineering notation
1.38355985 × 10^6
Prime Factorization
5 × 27671197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138355985
Product of the distinct prime numbers
The prime factorization of 138355985 is 5 × 27671197.
Since it has a total of 2 prime factors.
9 , 2 , 38 , 61 , 115 , 494 , 8656 , 3631 , 98302 , 36876 , 236418 , 366478 , 6444530 , 2714953 , 32918277 , 78614525 , 690366542 , 50620235 , 3103977681 , 3912758549
n×2
276711970
n×3
415067955
n×4
553423940
n×5
691779925
n÷2
69177992.5
n÷3
46118661.666667
n÷3
34588996.25
n÷5
27671197
n2
19142378585320225
n3
2.6484626444149E+24
n4
3.6643065790373E+32
n5
5.0697874608468E+40
2 √n
11762.482093504
3 √n
517.20889288508
4 √n
108.45497726478
5 √n
42.481475257813
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
-138355984
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 138355985 can be divided by 4 positive divisors.
The sum of these divisors (counting 138355985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111110010010100010001
3
Ternary
100122100012201202
4
Quaternary
20033302110101
5
Quinary
240404342420
6
Senary
21421240545
8
Octal
1017622421
10
Decimal
138355985
12
Duodecimal
3a403155
16
Hexadecimal
83f2511
20
Vigesimal
234e9j5
36
Base36
2adg5t
md5
d1e06f12dca5d284a8cceec1e2208cbc
sha1
580513b43192dae7125d2aae6c2e68630575709b
sha256
2fb42e9a1eb58b9cb17600ea34734aa477be0dcf017eb13f757ceee9213a3f20
sha512
e1d5f5baf45154ed3ab503cf0b0b1b9314db567f911c1414f5d1157207bff60a0dcf07db9426d6bbef2a7a3785a913902176e7d952c5ff12efc90b560f36b9b2
ripemd-160
3ed5b49cd378966aade1d49b5eab8194d10d583b
Diameter
276711970
Circumference
869316292.11236
Area
6.0137555935877E+16
Volume
1.1093854382668E+25
Surface area
2.4055022374351E+17
Circumference
869316292.11236
Perimeter
553423940
Area
19142378585320225
Diagonal
195664910.42249
Surface area
114854271511921350
Volume
2.6484626444149E+24
Space diagonal
239639595.55124
Perimeter
415067955
Area
8.2888930718733E+15
Altitude
119819797.77562
Surface area
8.2888930718733E+15
Volume
3.1212431593084E+23
Height
65221636.807496