138889131 is an odd 9-digits composite number following 138889130
and preceding 138889132 . In scientific notation, it is written as 1.38889131 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 91074720 positive integers (up to 138889131) that are relatively prime to 138889131.
138889131 has 8 divisors, whose sum is 188221584
The reverse of 138889131 is 131988831
Previous prime number is 61
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred thirty-eight million eight hundred eighty-nine thousand one hundred thirty-one
Scientific notation
1.38889131 × 10^8
Engineering notation
1.38889131 × 10^6
Prime Factorization
3 × 61 × 758957
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
138889131 Product of the distinct prime numbers
The prime factorization of 138889131 is 3 × 61 × 758957.
Since it has a total of 3 prime factors.
3 , 10 , 16 , 21 , 191 , 130 , 2011 , 1255 , 82087 , 51917 , 730229 , 134277 , 5912371 , 181532 , 16087764 , 44193645 , 186324168 , 521696281 , 6508314479 , 9866981099
n×2
277778262
n×3
416667393
n×4
555556524
n×5
694445655
n÷2
69444565.5
n÷3
46296377
n÷3
34722282.75
n÷5
27777826.2
n2
19290190709935161
n3
2.6791978245272E+24
n4
3.7211145762567E+32
n5
5.1682236984772E+40
2 √n11785.123291676
3 √n517.87238524367
4 √n108.55930771553
5 √n42.514164842983
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
-138889130 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 138889131 can be divided by 8 positive divisors.
The sum of these divisors (counting 138889131) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001110100011110101011
3
Ternary
100200100022001220
4
Quaternary
20101310132223
5
Quinary
241023423011
6
Senary
21440513123
8
Octal
1021643653
10
Decimal
138889131
12
Duodecimal
3a61b7a3
16
Hexadecimal
84747ab
20
Vigesimal
23812gb
36
Base36
2aovjf
md5
7386f025b60278e37d0e230f5fbd9468
sha1
88bfcbd2db3acc069b707d4d17266314afa236cf
sha256
aa6b56e0f3f6ccf906de8a58d69d5e89c8340eb42693c78bc5f313edd8628924
sha512
cda9a24adb872b4be87ce4bc369e098da076ac3a2bbe486c7ef5fb36ede448cc8309c5cf030823f4725707d6b87facddb6c0f81e1f7bf0db6528045c86370a7a
ripemd-160
bcc6f14a3126a85c9c3e2e33347095b0e7934f70
Diameter
277778262
Circumference
872666147.22614
Area
6.0601921420678E+16
Volume
1.1222597604064E+25
Surface area
2.4240768568271E+17
Circumference
872666147.22614
Perimeter
555556524
Area
19290190709935161
Diagonal
196418892.72641
Surface area
115741144259610966
Volume
2.6791978245272E+24
Space diagonal
240563031.51109
Perimeter
416667393
Area
8.3528975993252E+15
Altitude
120281515.75554
Surface area
8.3528975993252E+15
Volume
3.157464916439E+23
Height
65472964.242138