138996831 is an odd 9-digits composite number following 138996830
and preceding 138996832 . In scientific notation, it is written as 1.38996831 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 92664552 positive integers (up to 138996831) that are relatively prime to 138996831.
138996831 has 4 divisors, whose sum is 185329112
The reverse of 138996831 is 138699831
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred thirty-eight million nine hundred ninety-six thousand eight hundred thirty-one
Scientific notation
1.38996831 × 10^8
Engineering notation
1.38996831 × 10^6
Prime Factorization
3 × 46332277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138996831
Product of the distinct prime numbers
The prime factorization of 138996831 is 3 × 46332277.
Since it has a total of 2 prime factors.
3 , 2 , 23 , 87 , 752 , 20 , 225 , 4732 , 15061 , 32634 , 23998 , 735855 , 850351 , 7118978 , 78326433 , 49553265 , 501848650 , 113843609 , 8235453540 , 7680565013
n×2
277993662
n×3
416990493
n×4
555987324
n×5
694984155
n÷2
69498415.5
n÷3
46332277
n÷3
34749207.75
n÷5
27799366.2
n2
19320119028042561
n3
2.6854353194407E+24
n4
3.7326699925773E+32
n5
5.1882930013704E+40
2 √n
11789.69172625
3 √n
518.00621007944
4 √n
108.58034686926
5 √n
42.520756224118
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
-138996830
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 138996831 can be divided by 4 positive divisors.
The sum of these divisors (counting 138996831) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010010001110110001011111
3
Ternary
100200112202210210
4
Quaternary
20102032301133
5
Quinary
241040344311
6
Senary
21443103503
8
Octal
1022166137
10
Decimal
138996831
12
Duodecimal
3a671b93
16
Hexadecimal
848ec5f
20
Vigesimal
238ec1b
36
Base36
2ar6n3
md5
b990f4dd50f7f60886865e5c48b27234
sha1
f95e8bd4ea7af76db7a60535e535bb48d30c0f2c
sha256
522dca13f3859bc0ad15977d57a796131a9bb606577a1b0fc8c1401dee9d7c7c
sha512
a57bbe1dbd0c2327267c7726bebfdf3fe20d5d3cc02115c1af442be32f382075e8b63a265c84462e2cb83877278bad71b1a0605268f84253f363fe99d6d99c35
ripemd-160
1d29ff36363ac3f7992c731c88223974853ddab9
Diameter
277993662
Circumference
873342846.28372
Area
6.0695944004979E+16
Volume
1.1248725161661E+25
Surface area
2.4278377601992E+17
Circumference
873342846.28372
Perimeter
555987324
Area
19320119028042561
Diagonal
196571203.52708
Surface area
115920714168255366
Volume
2.6854353194407E+24
Space diagonal
240749573.38306
Perimeter
416990493
Area
8.365856941212E+15
Altitude
120374786.69153
Surface area
8.365856941212E+15
Volume
3.1648158746907E+23
Height
65523734.509027