138793968 is an even 9-digits composite number following 138793967
and preceding 138793969 . In scientific notation, it is written as 1.38793968 × 10^8.
The sum of its digits is 54. It has a total of 6 prime factors and 20 positive divisors.
There are 46264608 positive integers (up to 138793968) that are relatively prime to 138793968.
138793968 has 20 divisors, whose sum is 298792880
The reverse of 138793968 is 869397831
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred thirty-eight million seven hundred ninety-three thousand nine hundred sixty-eight
Scientific notation
1.38793968 × 10^8
Engineering notation
1.38793968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 963847
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17349246
Product of the distinct prime numbers
The prime factorization of 138793968 is 2 × 2 × 2 × 2 × 9 × 963847.
Since it has a total of 6 prime factors.
8 , 3 , 36 , 70 , 23 , 863 , 5100 , 6167 , 12396 , 17330 , 555987 , 348161 , 6752460 , 8094533 , 4051753 , 46861966 , 131866946 , 298125325 , 7105467398 , 9807846568
n×2
277587936
n×3
416381904
n×4
555175872
n×5
693969840
n÷2
69396984
n÷3
46264656
n÷3
34698492
n÷5
27758793.6
n2
19263765553185024
n3
2.6736944597483E+24
n4
3.7109266328808E+32
n5
5.150542323344E+40
2 √n
11781.085179218
3 √n
517.75408093061
4 √n
108.54070747521
5 √n
42.508337339106
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 963847 , 1927694 , 3855388 , 7710776 , 8674623 , 15421552 , 17349246 , 34698492 , 69396984 , 138793968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138793967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138793968 can be divided by 20 positive divisors.
The sum of these divisors (counting 138793968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000010001011101001111110000
3
Ternary
100200011110112100
4
Quaternary
20101131033300
5
Quinary
241012401333
6
Senary
21434500400
8
Octal
1021351760
10
Decimal
138793968
12
Duodecimal
3a594700
16
Hexadecimal
845d3f0
20
Vigesimal
23794i8
36
Base36
2amu40
md5
0e93ed779a6150c151bf79c82236c0b3
sha1
ea4a6ea7e0ce6bc7d5fecc1c1c0818b782c72135
sha256
831038ed4fb69b92e652672e1d1a358b9cb706f942eaccdf62a1dab4eae971cb
sha512
6f6cdd153e688d7465c2176eff64350b608cd567ee357b6f8b4dfd719f8a2529485d8b3f4b2f1cd0d4f4aa35658f1848396d295143e29c2b6eab772641b8b695
ripemd-160
31a5f12745d526f60b62cfbd21ef6a5dc8d02867
Diameter
277587936
Circumference
872068220.46275
Area
6.0518904342362E+16
Volume
1.1199545163585E+25
Surface area
2.4207561736945E+17
Circumference
872068220.46275
Perimeter
555175872
Area
19263765553185024
Diagonal
196284311.92118
Surface area
115582593319110144
Volume
2.6736944597483E+24
Space diagonal
240398204.36009
Perimeter
416381904
Area
8.3414551708029E+15
Altitude
120199102.18004
Surface area
8.3414551708029E+15
Volume
3.1509791388482E+23
Height
65428103.973726