138304991 is an odd 9-digits composite number following 138304990
and preceding 138304992 . In scientific notation, it is written as 1.38304991 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 125637120 positive integers (up to 138304991) that are relatively prime to 138304991.
138304991 has 8 divisors, whose sum is 150991824
The reverse of 138304991 is 199403831
Previous prime number is 7873
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred thirty-eight million three hundred four thousand nine hundred ninety-one
Scientific notation
1.38304991 × 10^8
Engineering notation
1.38304991 × 10^6
Prime Factorization
11 × 7873 × 1597
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138304991
Product of the distinct prime numbers
The prime factorization of 138304991 is 11 × 7873 × 1597.
Since it has a total of 3 prime factors.
10 , 10 , 60 , 76 , 106 , 339 , 3274 , 2927 , 52426 , 86911 , 800684 , 749874 , 3238199 , 1801007 , 54239005 , 17610671 , 762556797 , 693250962 , 1433518289 , 4111066479
n×2
276609982
n×3
414914973
n×4
553219964
n×5
691524955
n÷2
69152495.5
n÷3
46101663.666667
n÷3
34576247.75
n÷5
27660998.2
n2
19128270535510081
n3
2.6455352842593E+24
n4
3.6589073367966E+32
n5
5.0604514628549E+40
2 √n
11760.314238999
3 √n
517.14534234853
4 √n
108.44498254414
5 √n
42.478343308308
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
-138304990
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 138304991 can be divided by 8 positive divisors.
The sum of these divisors (counting 138304991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111100101110111011111
3
Ternary
100122020121210002
4
Quaternary
20033211313133
5
Quinary
240401224431
6
Senary
21420204515
8
Octal
1017456737
10
Decimal
138304991
12
Duodecimal
3a39973b
16
Hexadecimal
83e5ddf
20
Vigesimal
234829b
36
Base36
2acctb
md5
07ff0db746438f6ee4268ae4f5f626c5
sha1
60e06684c3eb2e64b5a7c078642ea3f233030828
sha256
6ef17cb5eb50f308f162e139c0f2b000475cd92b966e3cf99e4b96180ffc94c2
sha512
da6cdb11ff19f77e479fd41839325f5218281beadf83e04cbf4d1e8e4b307827689ac7fa98f5f19ec6b950163eb77f4abdaa3e8a4aea4afd5ac7de56e317adc8
ripemd-160
576c89b7a4e01ead317fa2dae7cf6e777614624a
Diameter
276609982
Circumference
868995887.3608
Area
6.0093234190237E+16
Volume
1.1081592285122E+25
Surface area
2.4037293676095E+17
Circumference
868995887.3608
Perimeter
553219964
Area
19128270535510081
Diagonal
195592794.01609
Surface area
114769623213060486
Volume
2.6455352842593E+24
Space diagonal
239551271.35236
Perimeter
414914973
Area
8.2827841071065E+15
Altitude
119775635.67618
Surface area
8.2827841071065E+15
Volume
3.11779323228E+23
Height
65197598.005363