138996889 is an odd 9-digits composite number following 138996888
and preceding 138996890 . In scientific notation, it is written as 1.38996889 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 132837936 positive integers (up to 138996889) that are relatively prime to 138996889.
138996889 has 8 divisors, whose sum is 145166400
The reverse of 138996889 is 988699831
Previous prime number is 1699
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
one hundred thirty-eight million nine hundred ninety-six thousand eight hundred eighty-nine
Scientific notation
1.38996889 × 10^8
Engineering notation
1.38996889 × 10^6
Prime Factorization
23 × 1699 × 3557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138996889
Product of the distinct prime numbers
The prime factorization of 138996889 is 23 × 1699 × 3557.
Since it has a total of 3 prime factors.
4 , 9 , 46 , 78 , 68 , 468 , 5905 , 8962 , 41345 , 63728 , 977985 , 336028 , 9453466 , 4589731 , 78336852 , 28274011 , 685690237 , 824808415 , 1571372765 , 2441348906
n×2
277993778
n×3
416990667
n×4
555987556
n×5
694984445
n÷2
69498444.5
n÷3
46332296.333333
n÷3
34749222.25
n÷5
27799377.8
n2
19320135151678321
n3
2.6854386811428E+24
n4
3.7326762227912E+32
n5
5.1883038261224E+40
2 √n
11789.694186025
3 √n
518.0062821299
4 √n
108.58035819625
5 √n
42.520759772693
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
-138996888
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 138996889 can be divided by 8 positive divisors.
The sum of these divisors (counting 138996889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010010001110110010011001
3
Ternary
100200112202212221
4
Quaternary
20102032302121
5
Quinary
241040400024
6
Senary
21443104041
8
Octal
1022166231
10
Decimal
138996889
12
Duodecimal
3a672021
16
Hexadecimal
848ec99
20
Vigesimal
238ec49
36
Base36
2ar6op
md5
ddc4fadd2aed4c432f4449edcdb20712
sha1
92085389b2c5fd80cd898f0756ec28ddd7c67e9d
sha256
11d62a83040ae6a9ceaef104b79f46c8d8169adb8ede861295018b521d6b2b92
sha512
12320aa3924759eb13d23203c5f4230d86a13f5251b902b6534d31b31fc8c03a0fd8787fabd034b7dbdc75bf8dbb84ba04a195fe6c1efffb91104408b6b23fff
ripemd-160
da9c137e9b34e77b1e8ebe20449ace3f3e0c5aac
Diameter
277993778
Circumference
873343210.70847
Area
6.0695994658875E+16
Volume
1.1248739243126E+25
Surface area
2.427839786355E+17
Circumference
873343210.70847
Perimeter
555987556
Area
19320135151678321
Diagonal
196571285.55147
Surface area
115920810910069926
Volume
2.6854386811428E+24
Space diagonal
240749673.84201
Perimeter
416990667
Area
8.3658639229511E+15
Altitude
120374836.92101
Surface area
8.3658639229511E+15
Volume
3.1648198364946E+23
Height
65523761.850489