138804786 is an even 9-digits composite number following 138804785
and preceding 138804787 . In scientific notation, it is written as 1.38804786 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 46268244 positive integers (up to 138804786) that are relatively prime to 138804786.
138804786 has 8 divisors, whose sum is 215918640
The reverse of 138804786 is 687408831
Previous prime number is 27
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred thirty-eight million eight hundred four thousand seven hundred eighty-six
Scientific notation
1.38804786 × 10^8
Engineering notation
1.38804786 × 10^6
Prime Factorization
2 × 27 × 2570459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138804786
Product of the distinct prime numbers
The prime factorization of 138804786 is 2 × 27 × 2570459.
Since it has a total of 3 prime factors.
10 , 7 , 2 , 80 , 311 , 419 , 3188 , 1979 , 94175 , 64766 , 725509 , 239480 , 1377932 , 8018068 , 33351813 , 88269892 , 843459528 , 312068146 , 3723622027 , 1077487946
n×2
277609572
n×3
416414358
n×4
555219144
n×5
694023930
n÷2
69402393
n÷3
46268262
n÷3
34701196.5
n÷5
27760957.2
n2
19266768616505796
n3
2.6743196947256E+24
n4
3.7120837292197E+32
n5
5.1525498764843E+40
2 √n
11781.544296059
3 √n
517.76753232722
4 √n
108.54282240691
5 √n
42.508999962797
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
-138804785
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 138804786 can be divided by 8 positive divisors.
The sum of these divisors (counting 138804786) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001011111111000110010
3
Ternary
100200012000101000
4
Quaternary
20101133320302
5
Quinary
241013223121
6
Senary
21435022430
8
Octal
1021377062
10
Decimal
138804786
12
Duodecimal
3a59aa16
16
Hexadecimal
845fe32
20
Vigesimal
237abj6
36
Base36
2an2gi
md5
832948aa96fe75eaa9621c279b3463bd
sha1
6eb252709972184b6280eb58984e46be76ff2fbb
sha256
082d9b6446f5938d2482d48091a728027ac45b3457047b5ad4b1242953007213
sha512
b176daedee72cdc14217d699bdf94bb0381b5be92dda1d1dfe7f5115e5e156545fb60e9ca196c56b9c2183b80ff292e0e93c3dc39256e0cc709dca9fe844d405
ripemd-160
36bec78b4f5d0c01dd5b66ac458f3eed57faf48f
Diameter
277609572
Circumference
872136191.96141
Area
6.0528338744029E+16
Volume
1.1202164141734E+25
Surface area
2.4211335497612E+17
Circumference
872136191.96141
Perimeter
555219144
Area
19266768616505796
Diagonal
196299610.8835
Surface area
115600611699034776
Volume
2.6743196947256E+24
Space diagonal
240416941.68573
Perimeter
416414358
Area
8.3427555353654E+15
Altitude
120208470.84286
Surface area
8.3427555353654E+15
Volume
3.1517159853354E+23
Height
65433203.627832