138538691 is an odd 9-digits composite number following 138538690
and preceding 138538692 . In scientific notation, it is written as 1.38538691 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 137256768 positive integers (up to 138538691) that are relatively prime to 138538691.
138538691 has 8 divisors, whose sum is 139826400
The reverse of 138538691 is 196835831
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred thirty-eight million five hundred thirty-eight thousand six hundred ninety-one
Scientific notation
1.38538691 × 10^8
Engineering notation
1.38538691 × 10^6
Prime Factorization
167 × 349 × 2377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138538691
Product of the distinct prime numbers
The prime factorization of 138538691 is 167 × 349 × 2377.
Since it has a total of 3 prime factors.
3 , 10 , 94 , 44 , 995 , 960 , 2821 , 5117 , 98360 , 4150 , 13616 , 205541 , 3479535 , 9223260 , 36506676 , 44502084 , 729656781 , 880963978 , 6149078801 , 727965413
n×2
277077382
n×3
415616073
n×4
554154764
n×5
692693455
n÷2
69269345.5
n÷3
46179563.666667
n÷3
34634672.75
n÷5
27707738.2
n2
19192968903993481
n3
2.658968788363E+24
n4
3.6837005534966E+32
n5
5.103350527174E+40
2 √n
11770.246004226
3 √n
517.43645948292
4 √n
108.49076460338
5 √n
42.492689118668
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
-138538690
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 138538691 can be divided by 8 positive divisors.
The sum of these divisors (counting 138538691) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010000011110111011000011
3
Ternary
100122200111100122
4
Quaternary
20100132323003
5
Quinary
240431214231
6
Senary
21425210455
8
Octal
1020367303
10
Decimal
138538691
12
Duodecimal
3a490a2b
16
Hexadecimal
841eec3
20
Vigesimal
235h6eb
36
Base36
2ahd4z
md5
b140144c12b7109b8f00165b94df42f6
sha1
1ac3eaa4992a7b224a6809aba40ef4171da1de21
sha256
184804cdada453107336ed7718573aee5f5049bfc75d7c8f80e9a5c6760aba8d
sha512
3e166cd7194dc8cecfec7dfc2d1d4a4e9cffb9d39de2b0cc76b7a9bd067b1844b6194c7bc6574f1fa1f0fc2e213dbbd0b71e6c7a9d106b68c02dd00e635e4d34
ripemd-160
9978b2564abad2f88fb639037e6a07bdf9857da9
Diameter
277077382
Circumference
870464267.76709
Area
6.0296490109363E+16
Volume
1.1137862415528E+25
Surface area
2.4118596043745E+17
Circumference
870464267.76709
Perimeter
554154764
Area
19192968903993481
Diagonal
195923295.72562
Surface area
115157813423960886
Volume
2.658968788363E+24
Space diagonal
239956051.62609
Perimeter
415616073
Area
8.3107993224516E+15
Altitude
119978025.81304
Surface area
8.3107993224516E+15
Volume
3.1336247686914E+23
Height
65307765.241872