138049785 is an odd 9-digits composite number following 138049784
and preceding 138049786 . In scientific notation, it is written as 1.38049785 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 73626480 positive integers (up to 138049785) that are relatively prime to 138049785.
138049785 has 8 divisors, whose sum is 188156928
The reverse of 138049785 is 587940831
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred thirty-eight million forty-nine thousand seven hundred eighty-five
Scientific notation
1.38049785 × 10^8
Engineering notation
1.38049785 × 10^6
Prime Factorization
45 × 3 × 1022591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138049785
Product of the distinct prime numbers
The prime factorization of 138049785 is 45 × 3 × 1022591.
Since it has a total of 3 prime factors.
10 , 9 , 81 , 57 , 572 , 804 , 7651 , 6885 , 22239 , 30462 , 785667 , 262383 , 1946766 , 7945207 , 64033030 , 68503458 , 545214825 , 897896042 , 4292412424 , 3076739174
n×2
276099570
n×3
414149355
n×4
552199140
n×5
690248925
n÷2
69024892.5
n÷3
46016595
n÷3
34512446.25
n÷5
27609957
n2
19057743138546225
n3
2.6309173428615E+24
n4
3.6319757353481E+32
n5
5.0139346939002E+40
2 √n
11749.458923712
3 √n
516.82706061955
4 √n
108.39492111585
5 √n
42.462655170989
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
-138049784
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 138049785 can be divided by 8 positive divisors.
The sum of these divisors (counting 138049785) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110100111100011111001
3
Ternary
100121202122201000
4
Quaternary
20032213203321
5
Quinary
240320043120
6
Senary
21410515213
8
Octal
1016474371
10
Decimal
138049785
12
Duodecimal
3a295b09
16
Hexadecimal
83a78f9
20
Vigesimal
232g495
36
Base36
2a6vw9
md5
37774f595b7da9c3d4a2a84826f3dff4
sha1
fbefb23cce33d5c809bc1909121eaa01500e3137
sha256
6d70b621df300bc359f09895e0b047a4f6eef755b431485693c6b8cc4a8f9bbb
sha512
7b2cd98c9278716222a5dd2318a906c2775d5b9b4eb968477cfeb4bece046d38b6bfebab7f8a82bea5fdaff84aa1f85a5de75623f26b0b06d907e4071a9a7c64
ripemd-160
0403cf7a6e8f226d7d7356778e01341acad6966a
Diameter
276099570
Circumference
867392380.7713
Area
5.9871665838058E+16
Volume
1.1020360795381E+25
Surface area
2.3948666335223E+17
Circumference
867392380.7713
Perimeter
552199140
Area
19057743138546225
Diagonal
195231878.22969
Surface area
114346458831277350
Volume
2.6309173428615E+24
Space diagonal
239109241.59396
Perimeter
414149355
Area
8.2522448483898E+15
Altitude
119554620.79698
Surface area
8.2522448483898E+15
Volume
3.1005658231311E+23
Height
65077292.74323