138894247 is an odd 9-digits composite number following 138894246
and preceding 138894248 . In scientific notation, it is written as 1.38894247 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 136937920 positive integers (up to 138894247) that are relatively prime to 138894247.
138894247 has 4 divisors, whose sum is 140850576
The reverse of 138894247 is 742498831
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred thirty-eight million eight hundred ninety-four thousand two hundred forty-seven
Scientific notation
1.38894247 × 10^8
Engineering notation
1.38894247 × 10^6
Prime Factorization
71 × 1956257
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138894247
Product of the distinct prime numbers
The prime factorization of 138894247 is 71 × 1956257.
Since it has a total of 2 prime factors.
8 , 10 , 35 , 83 , 201 , 542 , 191 , 8204 , 68926 , 69060 , 68607 , 58618 , 9017852 , 986358 , 30594579 , 74846696 , 615027682 , 302051878 , 2855684833 , 8945403621
n×2
277788494
n×3
416682741
n×4
555576988
n×5
694471235
n÷2
69447123.5
n÷3
46298082.333333
n÷3
34723561.75
n÷5
27778849.4
n2
19291611849697009
n3
2.6794939012799E+24
n4
3.7216628775937E+32
n5
5.1691756297123E+40
2 √n
11785.340342985
3 √n
517.87874379881
4 √n
108.56030740093
5 √n
42.514478041375
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
-138894246
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 138894247 can be divided by 4 positive divisors.
The sum of these divisors (counting 138894247) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001110101101110100111
3
Ternary
100200100120002101
4
Quaternary
20101311232213
5
Quinary
241024103442
6
Senary
21440552531
8
Octal
1021655647
10
Decimal
138894247
12
Duodecimal
3a622747
16
Hexadecimal
8475ba7
20
Vigesimal
2381fc7
36
Base36
2aozhj
md5
d4df7730c24a7ffdbcd069e4afaf1379
sha1
b17c18da5d2e2e48d2386d2d0e82ab975a22ee0a
sha256
8db2e816ce53fedc0dee8071c097af79c3e738d8416e1c4058eda878f12c88a3
sha512
ea1e6ca5c5ddd625511f64c004a0e133bb4787b6b015d5699278a5747f2da9bdaa5eb77df23529340ca106919cb412069dea5d9840bf28291c6c2f1bdf9bbb1b
ripemd-160
caca909595af408763ca478636b6697ac256eadf
Diameter
277788494
Circumference
872698292.00217
Area
6.0606386062914E+16
Volume
1.1223837807466E+25
Surface area
2.4242554425166E+17
Circumference
872698292.00217
Perimeter
555576988
Area
19291611849697009
Diagonal
196426127.843
Surface area
115749671098182054
Volume
2.6794939012799E+24
Space diagonal
240571892.68302
Perimeter
416682741
Area
8.3535129708933E+15
Altitude
120285946.34151
Surface area
8.3535129708933E+15
Volume
3.1578138462384E+23
Height
65475375.947666