138242578 is an even 9-digits composite number following 138242577
and preceding 138242579 . In scientific notation, it is written as 1.38242578 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 66780000 positive integers (up to 138242578) that are relatively prime to 138242578.
138242578 has 16 divisors, whose sum is 214410240
The reverse of 138242578 is 875242831
Previous prime number is 751
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-eight million two hundred forty-two thousand five hundred seventy-eight
Scientific notation
1.38242578 × 10^8
Engineering notation
1.38242578 × 10^6
Prime Factorization
2 × 31 × 751 × 2969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138242578
Product of the distinct prime numbers
The prime factorization of 138242578 is 2 × 31 × 751 × 2969.
Since it has a total of 4 prime factors.
7 , 8 , 53 , 8 , 553 , 846 , 5117 , 9132 , 47998 , 3453 , 268437 , 720842 , 6673969 , 2729862 , 14615566 , 41971984 , 742642201 , 121489030 , 6710850132 , 3628296414
n×2
276485156
n×3
414727734
n×4
552970312
n×5
691212890
n÷2
69121289
n÷3
46080859.333333
n÷3
34560644.5
n÷5
27648515.6
n2
19111010372086084
n3
2.6419553420219E+24
n4
3.6523071744198E+32
n5
5.0490435943969E+40
2 √n
11757.660396524
3 √n
517.0675397848
4 √n
108.43274596045
5 √n
42.474508769127
1 , 2 , 31 , 62 , 751 , 1502 , 2969 , 5938 , 23281 , 46562 , 92039 , 184078 , 2229719 , 4459438 , 69121289 , 138242578
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138242577
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138242578 can be divided by 16 positive divisors.
The sum of these divisors (counting 138242578) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001111010110101000010010
3
Ternary
100122010110011111
4
Quaternary
20033112220102
5
Quinary
240342230303
6
Senary
21415003534
8
Octal
1017265022
10
Decimal
138242578
12
Duodecimal
3a3695aa
16
Hexadecimal
83d6a12
20
Vigesimal
234068i
36
Base36
2ab0nm
md5
fa380b64fa289e1e1a707cc02a5a9924
sha1
afb3b887c8bec020efab3ec8c52d5bbe1c5d911e
sha256
01b0556956dc797ec0d0604c787501eef20871c5d43f619cc1758ee9fb97c83d
sha512
23172709944892be60b71b84a9a671155e7933d91d5ec5960c57537fe56b362e68e7bdb089135f9a52d3fe8c89d28cb9ed8ed7562d8485c133f6c9648198d060
ripemd-160
ef43df95eac16a56926464d4521ff2671ee7d60a
Diameter
276485156
Circumference
868603734.91623
Area
6.0039009787624E+16
Volume
1.1066596658144E+25
Surface area
2.401560391505E+17
Circumference
868603734.91623
Perimeter
552970312
Area
19111010372086084
Diagonal
195504528.70502
Surface area
114666062232516504
Volume
2.6419553420219E+24
Space diagonal
239443168.8653
Perimeter
414727734
Area
8.2753102371072E+15
Altitude
119721584.43265
Surface area
8.2753102371072E+15
Volume
3.1135742298929E+23
Height
65168176.235007