138156789 is an odd 9-digits composite number following 138156788
and preceding 138156790 . In scientific notation, it is written as 1.38156789 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 90921600 positive integers (up to 138156789) that are relatively prime to 138156789.
138156789 has 8 divisors, whose sum is 184461280
The reverse of 138156789 is 987651831
Previous prime number is 62317
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred thirty-eight million one hundred fifty-six thousand seven hundred eighty-nine
Scientific notation
1.38156789 × 10^8
Engineering notation
1.38156789 × 10^6
Prime Factorization
3 × 62317 × 739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138156789
Product of the distinct prime numbers
The prime factorization of 138156789 is 3 × 62317 × 739.
Since it has a total of 3 prime factors.
3 , 3 , 93 , 49 , 607 , 851 , 3570 , 5113 , 12441 , 64844 , 901122 , 611641 , 1665608 , 8941442 , 28145795 , 64785984 , 247102823 , 603659776 , 6435768851 , 8799021615
n×2
276313578
n×3
414470367
n×4
552627156
n×5
690783945
n÷2
69078394.5
n÷3
46052263
n÷3
34539197.25
n÷5
27631357.8
n2
19087298346790521
n3
2.6370398502776E+24
n4
3.6432495817939E+32
n5
5.0333966374624E+40
2 √n
11754.011613062
3 √n
516.96055902954
4 √n
108.41591955549
5 √n
42.469235790968
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
-138156788
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 138156789 can be divided by 8 positive divisors.
The sum of these divisors (counting 138156789) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111000001101011110101
3
Ternary
100121222002111010
4
Quaternary
20033001223311
5
Quinary
240332004124
6
Senary
21413102433
8
Octal
1017015365
10
Decimal
138156789
12
Duodecimal
3a327a19
16
Hexadecimal
83c1af5
20
Vigesimal
2339bj9
36
Base36
2a96gl
md5
bd6c0a99b404ca3e56646c93682eaf54
sha1
6b0bd79146218460e71967996077ece5f3f92786
sha256
38ee42499b8abcf6b1f845963cf1a19f2032ab9917249ab41c55828b3587bb36
sha512
065f8b91fdb3adb4c0d7411d4bff6fb2baf308e1a947b4052c1f076bd36b49d9c8d03b5ebeb0ce70ca53529adc2befb277ce50019f6d50f12e27f05624eda2cb
ripemd-160
0443b9fe484718eb47220ef5f8e907cf40aeb973
Diameter
276313578
Circumference
868064706.73191
Area
5.9964516263154E+16
Volume
1.1046006694474E+25
Surface area
2.3985806505261E+17
Circumference
868064706.73191
Perimeter
552627156
Area
19087298346790521
Diagonal
195383204.73772
Surface area
114523790080743126
Volume
2.6370398502776E+24
Space diagonal
239294577.95857
Perimeter
414470367
Area
8.2650426289667E+15
Altitude
119647288.97929
Surface area
8.2650426289667E+15
Volume
3.1077812673174E+23
Height
65127734.912573