138855213 is an odd 9-digits composite number following 138855212
and preceding 138855214 . In scientific notation, it is written as 1.38855213 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 77499072 positive integers (up to 138855213) that are relatively prime to 138855213.
138855213 has 8 divisors, whose sum is 144342528
The reverse of 138855213 is 312558831
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred thirty-eight million eight hundred fifty-five thousand two hundred thirteen
Scientific notation
1.38855213 × 10^8
Engineering notation
1.38855213 × 10^6
Prime Factorization
63 × 43 × 51257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138855213
Product of the distinct prime numbers
The prime factorization of 138855213 is 63 × 43 × 51257.
Since it has a total of 3 prime factors.
9 , 8 , 16 , 18 , 742 , 797 , 8960 , 6903 , 23462 , 82934 , 437663 , 294016 , 6343591 , 3071046 , 35511981 , 10298852 , 366152069 , 536773021 , 4421400327 , 8105606332
n×2
277710426
n×3
416565639
n×4
555420852
n×5
694276065
n÷2
69427606.5
n÷3
46285071
n÷3
34713803.25
n÷5
27771042.6
n2
19280770177275369
n3
2.6772354497696E+24
n4
3.7174809862891E+32
n5
5.1619161417462E+40
2 √n
11783.684186196
3 √n
517.83022541569
4 √n
108.55267931376
5 √n
42.512088170297
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
-138855212
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 138855213 can be divided by 8 positive divisors.
The sum of these divisors (counting 138855213) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001101100001100101101
3
Ternary
100200021120112200
4
Quaternary
20101230030231
5
Quinary
241021331323
6
Senary
21440052113
8
Octal
1021541455
10
Decimal
138855213
12
Duodecimal
3a604039
16
Hexadecimal
846c32d
20
Vigesimal
237gi0d
36
Base36
2ao5d9
md5
b2862574fbeb9c1cee54e86a9debb65c
sha1
084bf7b592956d143b0dd2e301da3e2631e8dc5e
sha256
8833a09d0d08df26de5a21c306140dad00575dfba1d53bc394739354192a6afa
sha512
eded318e8f75ed4e5e92b624419bb32e45fe3e8a1b85f75889ddf260d61282a9a12328a8b53573df2c5edc3476ed190898c6c7b2165012f0a6b4101e3b4a36cb
ripemd-160
7833ff94a19665fbd57dcdb967078b2e87be6fa6
Diameter
277710426
Circumference
872453034.14689
Area
6.0572325944481E+16
Volume
1.1214377627902E+25
Surface area
2.4228930377793E+17
Circumference
872453034.14689
Perimeter
555420852
Area
19280770177275369
Diagonal
196370925.4308
Surface area
115684621063652214
Volume
2.6772354497696E+24
Space diagonal
240504283.8118
Perimeter
416565639
Area
8.3488183890249E+15
Altitude
120252141.9059
Surface area
8.3488183890249E+15
Volume
3.1551522356085E+23
Height
65456975.143602