138698902 is an even 9-digits composite number following 138698901
and preceding 138698903 . In scientific notation, it is written as 1.38698902 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 69248400 positive integers (up to 138698902) that are relatively prime to 138698902.
138698902 has 8 divisors, whose sum is 208351512
The reverse of 138698902 is 209896831
Previous prime number is 691
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred thirty-eight million six hundred ninety-eight thousand nine hundred two
Scientific notation
1.38698902 × 10^8
Engineering notation
1.38698902 × 10^6
Prime Factorization
2 × 691 × 100361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138698902
Product of the distinct prime numbers
The prime factorization of 138698902 is 2 × 691 × 100361.
Since it has a total of 3 prime factors.
6 , 2 , 42 , 72 , 470 , 187 , 1419 , 9001 , 94855 , 92805 , 909218 , 629883 , 8316411 , 6353476 , 74893769 , 88760216 , 145806795 , 510987100 , 862120145 , 6508253388
n×2
277397804
n×3
416096706
n×4
554795608
n×5
693494510
n÷2
69349451
n÷3
46232967.333333
n÷3
34674725.5
n÷5
27739780.4
n2
19237385416005604
n3
2.6682042345508E+24
n4
3.7007699764395E+32
n5
5.1329273228672E+40
2 √n
11777.049800353
3 √n
517.63584319961
4 √n
108.52211664151
5 √n
42.502512582771
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
-138698901
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 138698902 can be divided by 8 positive divisors.
The sum of these divisors (counting 138698902) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001000110000010010110
3
Ternary
100122222122010101
4
Quaternary
20101012002112
5
Quinary
241001331102
6
Senary
21432444314
8
Octal
1021060226
10
Decimal
138698902
12
Duodecimal
3a54969a
16
Hexadecimal
8446096
20
Vigesimal
236h752
36
Base36
2aksra
md5
c4518881dae3702430d99bcd1ee97677
sha1
997afcb7c04b9cfabbe630c72cab63fc27a77a13
sha256
fc9738feb6244c1336da04112944d73d7d9615605d91cca5983c76208e52aaeb
sha512
d61e7c38c03ebd5693be75ef3a8cacf31ee2a54020400205f29cb855ddf129204220db5b7cb5065977f36877aa8f488234267c85bc79cc1a4959b371a979639c
ripemd-160
e517251b7191ef1301724e675ce454fb7027b31c
Diameter
277397804
Circumference
871470903.16834
Area
6.0436028697199E+16
Volume
1.1176547762056E+25
Surface area
2.4174411478879E+17
Circumference
871470903.16834
Perimeter
554795608
Area
19237385416005604
Diagonal
196149868.29466
Surface area
115424312496033624
Volume
2.6682042345508E+24
Space diagonal
240233545.21802
Perimeter
416096706
Area
8.3300322363266E+15
Altitude
120116772.60901
Surface area
8.3300322363266E+15
Volume
3.1445088464025E+23
Height
65383289.431552