138439091 is an odd 9-digits composite number following 138439090
and preceding 138439092 . In scientific notation, it is written as 1.38439091 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 118662072 positive integers (up to 138439091) that are relatively prime to 138439091.
138439091 has 4 divisors, whose sum is 158216112
The reverse of 138439091 is 190934831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred thirty-eight million four hundred thirty-nine thousand ninety-one
Scientific notation
1.38439091 × 10^8
Engineering notation
1.38439091 × 10^6
Prime Factorization
7 × 19777013
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138439091
Product of the distinct prime numbers
The prime factorization of 138439091 is 7 × 19777013.
Since it has a total of 2 prime factors.
3 , 9 , 10 , 19 , 406 , 114 , 2378 , 4209 , 71827 , 64982 , 852387 , 998378 , 9429136 , 6781647 , 55742499 , 81042183 , 609332209 , 97398937 , 4882581834 , 5471078839
n×2
276878182
n×3
415317273
n×4
553756364
n×5
692195455
n÷2
69219545.5
n÷3
46146363.666667
n÷3
34609772.75
n÷5
27687818.2
n2
19165381916906281
n3
2.6532380512443E+24
n4
3.6731186402088E+32
n5
5.0850320568566E+40
2 √n
11766.014235925
3 √n
517.31242908537
4 √n
108.47125995362
5 √n
42.486577483833
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138439090
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138439091 can be divided by 4 positive divisors.
The sum of these divisors (counting 138439091) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010000000110100110110011
3
Ternary
100122111102201202
4
Quaternary
20100012212303
5
Quinary
240420022331
6
Senary
21423121415
8
Octal
1020064663
10
Decimal
138439091
12
Duodecimal
3a44326b
16
Hexadecimal
84069b3
20
Vigesimal
2354heb
36
Base36
2af8ab
md5
7cdaec49490af01de6c4e402bf994c88
sha1
9498d61609378f13478f8d25f07cbc244dcedd74
sha256
3ce65ded36d1cebbeec8e7563c956057aba5fad332df8e80cfba6b9b5de48368
sha512
628147b1824aa3b352e6e5a439c1e5c2d13dc9805c16d56ba667a4f13c93769b4befcd3d439b690cd20c6713f1a5bb7fb77125aacae238cc20daf0eb1364a5f0
ripemd-160
83bf8d0399c1f53707a24181569c581ca0a7a540
Diameter
276878182
Circumference
869838462.5105
Area
6.0209823033395E+16
Volume
1.1113857560019E+25
Surface area
2.4083929213358E+17
Circumference
869838462.5105
Perimeter
553756364
Area
19165381916906281
Diagonal
195782440.0548
Surface area
114992291501437686
Volume
2.6532380512443E+24
Space diagonal
239783539.36565
Perimeter
415317273
Area
8.2988538066359E+15
Altitude
119891769.68283
Surface area
8.2988538066359E+15
Volume
3.1268710302284E+23
Height
65260813.351601