138865780 is an even 9-digits composite number following 138865779
and preceding 138865781 . In scientific notation, it is written as 1.38865780 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 55546304 positive integers (up to 138865780) that are relatively prime to 138865780.
138865780 has 12 divisors, whose sum is 291618180
The reverse of 138865780 is 087568831
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred thirty-eight million eight hundred sixty-five thousand seven hundred eighty
Scientific notation
1.38865780 × 10^8
Engineering notation
1.38865780 × 10^6
Prime Factorization
2 × 2 × 5 × 6943289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69432890
Product of the distinct prime numbers
The prime factorization of 138865780 is 2 × 2 × 5 × 6943289.
Since it has a total of 4 prime factors.
7 , 5 , 37 , 63 , 874 , 129 , 3467 , 3691 , 41467 , 31674 , 90163 , 409405 , 706684 , 7398727 , 55164606 , 84791124 , 125428093 , 112224426 , 7691251789 , 6234784941
n×2
277731560
n×3
416597340
n×4
555463120
n×5
694328900
n÷2
69432890
n÷3
46288593.333333
n÷3
34716445
n÷5
27773156
n2
19283704855008400
n3
2.6778467159805E+24
n4
3.7186127293507E+32
n5
5.1638805717922E+40
2 √n
11784.132551868
3 √n
517.84336085625
4 √n
108.55474449267
5 √n
42.512735191827
1 , 2 , 4 , 5 , 10 , 20 , 6943289 , 13886578 , 27773156 , 34716445 , 69432890 , 138865780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138865779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138865780 can be divided by 12 positive divisors.
The sum of these divisors (counting 138865780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000010001101110110001110100
3
Ternary
100200022010001001
4
Quaternary
20101232301310
5
Quinary
241022201110
6
Senary
21440213044
8
Octal
1021566164
10
Decimal
138865780
12
Duodecimal
3a60a184
16
Hexadecimal
846ec74
20
Vigesimal
237i490
36
Base36
2aodis
md5
0d3040d03d3d0d0f23455796ebbf761c
sha1
0030ed77226c8a873c0dbad2666d955d340690ec
sha256
dbee2ddfad2df9b628d9e0e6c3b15e6ec6b7b3822b6200089606a561c282c917
sha512
5ac7e29163f37e0f9c9eb1e9bbcbbdeda9d48e9afd7b1d0e9ab7f8068f45d720f198c0acecb83cf65dd09785c5fbb3d8e45a65a6496f33d996c18949cbb1420b
ripemd-160
a71c2ea0d73c498d58cd445be414d156607160c5
Diameter
277731560
Circumference
872519428.56603
Area
6.0581545506488E+16
Volume
1.1216938093819E+25
Surface area
2.4232618202595E+17
Circumference
872519428.56603
Perimeter
555463120
Area
19283704855008400
Diagonal
196385869.42552
Surface area
115702229130050400
Volume
2.6778467159805E+24
Space diagonal
240522586.39268
Perimeter
416597340
Area
8.3500891417593E+15
Altitude
120261293.19634
Surface area
8.3500891417593E+15
Volume
3.1558726197466E+23
Height
65461956.475173