138804785 is an odd 9-digits composite number following 138804784
and preceding 138804786 . In scientific notation, it is written as 1.38804785 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 90170496 positive integers (up to 138804785) that are relatively prime to 138804785.
138804785 has 8 divisors, whose sum is 160304640
The reverse of 138804785 is 587408831
Previous prime number is 95
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred thirty-eight million eight hundred four thousand seven hundred eighty-five
Scientific notation
1.38804785 × 10^8
Engineering notation
1.38804785 × 10^6
Prime Factorization
7 × 95 × 208729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138804785
Product of the distinct prime numbers
The prime factorization of 138804785 is 7 × 95 × 208729.
Since it has a total of 3 prime factors.
7 , 1 , 31 , 14 , 818 , 35 , 8305 , 62 , 35387 , 66731 , 935878 , 698545 , 4587243 , 7280668 , 11113621 , 33587904 , 204412076 , 869179258 , 7461828927 , 8578045269
n×2
277609570
n×3
416414355
n×4
555219140
n×5
694023925
n÷2
69402392.5
n÷3
46268261.666667
n÷3
34701196.25
n÷5
27760957
n2
19266768338896225
n3
2.6743196369253E+24
n4
3.7120836222469E+32
n5
5.1525496908801E+40
2 √n
11781.54425362
3 √n
517.76753108383
4 √n
108.54282221142
5 √n
42.508999901547
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
-138804784
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 138804785 can be divided by 8 positive divisors.
The sum of these divisors (counting 138804785) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001011111111000110001
3
Ternary
100200012000100222
4
Quaternary
20101133320301
5
Quinary
241013223120
6
Senary
21435022425
8
Octal
1021377061
10
Decimal
138804785
12
Duodecimal
3a59aa15
16
Hexadecimal
845fe31
20
Vigesimal
237abj5
36
Base36
2an2gh
md5
2db8e94c9edb2c15cf2d2034adc43907
sha1
07c0aab3608c5eb5aedb93a009982ac798ecbbd2
sha256
3b1fce8b39a650e0fbba207efcd10d726dc5e5b967cf67eec0615c12e2f52ed0
sha512
0c988d01b9ce22bcd1f372d2ccfe554a6f5ad50e52fe1ae0a93c615739b1a38678e8cab33118553f7e65e433709bdb0b56c01f5666d93e4d6047e79fe17b4fea
ripemd-160
a72558ccaf4b89d00ca2a9c7157da039f58f4c47
Diameter
277609570
Circumference
872136185.67822
Area
6.0528337871893E+16
Volume
1.1202163899621E+25
Surface area
2.4211335148757E+17
Circumference
872136185.67822
Perimeter
555219140
Area
19266768338896225
Diagonal
196299609.46928
Surface area
115600610033377350
Volume
2.6743196369253E+24
Space diagonal
240416939.95367
Perimeter
416414355
Area
8.3427554151569E+15
Altitude
120208469.97684
Surface area
8.3427554151569E+15
Volume
3.151715917217E+23
Height
65433203.156427