138840998 is an even 9-digits composite number following 138840997
and preceding 138840999 . In scientific notation, it is written as 1.38840998 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 69420498 positive integers (up to 138840998) that are relatively prime to 138840998.
138840998 has 4 divisors, whose sum is 208261500
The reverse of 138840998 is 899048831
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 50 Digital Root 5
Name
one hundred thirty-eight million eight hundred forty thousand nine hundred ninety-eight
Scientific notation
1.38840998 × 10^8
Engineering notation
1.38840998 × 10^6
Prime Factorization
2 × 69420499
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
138840998 Product of the distinct prime numbers
The prime factorization of 138840998 is 2 × 69420499.
Since it has a total of 2 prime factors.
8 , 9 , 26 , 52 , 187 , 141 , 1810 , 2389 , 65956 , 53839 , 353692 , 762459 , 4041381 , 8149082 , 8856646 , 88387891 , 676052098 , 462913240 , 1419056345 , 4707752833
n×2
277681996
n×3
416522994
n×4
555363992
n×5
694204990
n÷2
69420499
n÷3
46280332.666667
n÷3
34710249.5
n÷5
27768199.6
n2
19276822725636004
n3
2.6764133054964E+24
n4
3.715958943956E+32
n5
5.1592744830587E+40
2 √n11783.081006256
3 √n517.81255423216
4 √n108.54990099607
5 √n42.511217718166
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
-138840997 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 138840998 can be divided by 4 positive divisors.
The sum of these divisors (counting 138840998) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001101000101110100110
3
Ternary
100200020212001012
4
Quaternary
20101220232212
5
Quinary
241020402443
6
Senary
21435502222
8
Octal
1021505646
10
Decimal
138840998
12
Duodecimal
3a5b7972
16
Hexadecimal
8468ba6
20
Vigesimal
237f29i
36
Base36
2anuee
md5
932a1df9e1b22523a8c7b457fcf47639
sha1
89832fa1ac7cfe9bc4c83961b07a75de123748ca
sha256
5dba1084bac7161d47292e81756139a80c92f72d8784e9147e9cc1e58398d9fc
sha512
8f324f2f0d1237c14a91706af92e23d144481bdfa54936e7296fed4b43573c3a7f15e341d7a29eb75473a701df82abd84de8431aa2f359df0a1b7ff9ee5b94a7
ripemd-160
d60ba1d914dc954ee30403dd3715935e3305746c
Diameter
277681996
Circumference
872363718.66775
Area
6.0559924659411E+16
Volume
1.1210933838023E+25
Surface area
2.4223969863764E+17
Circumference
872363718.66775
Perimeter
555363992
Area
19276822725636004
Diagonal
196350822.38502
Surface area
115660936353816024
Volume
2.6764133054964E+24
Space diagonal
240479662.70957
Perimeter
416522994
Area
8.347109092325E+15
Altitude
120239831.35478
Surface area
8.347109092325E+15
Volume
3.1541833292907E+23
Height
65450274.128339