138968902 is an even 9-digits composite number following 138968901
and preceding 138968903 . In scientific notation, it is written as 1.38968902 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 69484450 positive integers (up to 138968902) that are relatively prime to 138968902.
138968902 has 4 divisors, whose sum is 208453356
The reverse of 138968902 is 209869831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred thirty-eight million nine hundred sixty-eight thousand nine hundred two
Scientific notation
1.38968902 × 10^8
Engineering notation
1.38968902 × 10^6
Prime Factorization
2 × 69484451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138968902
Product of the distinct prime numbers
The prime factorization of 138968902 is 2 × 69484451.
Since it has a total of 2 prime factors.
4 , 9 , 19 , 91 , 467 , 995 , 8831 , 9704 , 75878 , 90060 , 893361 , 723444 , 8862273 , 7484639 , 21477536 , 23822976 , 986454179 , 879704077 , 4149816547 , 2633771429
n×2
277937804
n×3
416906706
n×4
555875608
n×5
694844510
n÷2
69484451
n÷3
46322967.333333
n÷3
34742225.5
n÷5
27793780.4
n2
19312355723085604
n3
2.6838168698706E+24
n4
3.72967083575E+32
n5
5.183082608656E+40
2 √n
11788.507199811
3 √n
517.97151297056
4 √n
108.57489212434
5 √n
42.519047325215
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
-138968901
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 138968902 can be divided by 4 positive divisors.
The sum of these divisors (counting 138968902) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010010000111111101000110
3
Ternary
100200111100111101
4
Quaternary
20102013331012
5
Quinary
241034001102
6
Senary
21442330314
8
Octal
1022077506
10
Decimal
138968902
12
Duodecimal
3a65999a
16
Hexadecimal
8487f46
20
Vigesimal
238b252
36
Base36
2aql3a
md5
b50b4a5ec10da24500f6ec33c225d36b
sha1
e2c17a05f7462e81777f389e40992eb6537b9453
sha256
5c11a752d74f2e8f12ed96bb8679926d1b41bb88336b1de0394e654fa375c940
sha512
501045cdb9775c5a9f4c7bddbf6a7c9719533aab4db9d77db17f3669ea5f1dea83241e5b430854285316520e4971ba639c943884e590f19611a7027bb9880ff3
ripemd-160
e335b0ad79238a2a868fbafc0ddbe05b12215912
Diameter
277937804
Circumference
873167363.20128
Area
6.0671554863159E+16
Volume
1.1241945815955E+25
Surface area
2.4268621945263E+17
Circumference
873167363.20128
Perimeter
555875608
Area
19312355723085604
Diagonal
196531705.9565
Surface area
115874134338513624
Volume
2.6838168698706E+24
Space diagonal
240701198.93606
Perimeter
416906706
Area
8.362495331557E+15
Altitude
120350599.46803
Surface area
8.362495331557E+15
Volume
3.1629085135806E+23
Height
65510568.652166