131289780 is an even 9-digits composite number following 131289779
and preceding 131289781 . In scientific notation, it is written as 1.31289780 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 35010592 positive integers (up to 131289780) that are relatively prime to 131289780.
131289780 has 24 divisors, whose sum is 367611552
The reverse of 131289780 is 087982131
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred thirty-one million two hundred eighty-nine thousand seven hundred eighty
Scientific notation
1.31289780 × 10^8
Engineering notation
1.31289780 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 2188163
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
65644890 Product of the distinct prime numbers
The prime factorization of 131289780 is 2 × 2 × 3 × 5 × 2188163.
Since it has a total of 5 prime factors.
2 , 3 , 2 , 76 , 13 , 56 , 8558 , 6440 , 80244 , 55072 , 622256 , 892479 , 1994726 , 5684987 , 60186704 , 62614033 , 242290929 , 395547361 , 7730257575 , 7889624211
n×2
262579560
n×3
393869340
n×4
525159120
n×5
656448900
n÷2
65644890
n÷3
43763260
n÷3
32822445
n÷5
26257956
n2
17237006332448400
n3
2.2630427692458E+24
n4
2.9711438730487E+32
n5
3.9008082544091E+40
2 √n11458.175247394
3 √n508.2495157572
4 √n107.04286640124
5 √n42.038400569737
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 2188163 , 4376326 , 6564489 , 8752652 , 10940815 , 13128978 , 21881630 , 26257956 , 32822445 , 43763260 , 65644890 , 131289780
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-131289779 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131289780 can be divided by 24 positive divisors.
The sum of these divisors (counting 131289780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111110100110101001010110100
3
Ternary
100011001012201110
4
Quaternary
13310311022310
5
Quinary
232102233110
6
Senary
21005555020
8
Octal
764651264
10
Decimal
131289780
12
Duodecimal
37b75a70
16
Hexadecimal
7d352b4
20
Vigesimal
210b490
36
Base36
265zuc
md5
d31d904e2649758b915b5a480774f9af
sha1
bb1218488847c174532f3ceb66d39c08860e312f
sha256
43ef5d75e1c89a760c6ef17e4d63ca9afb1321fae5e1aa8aa24984724b7be581
sha512
53962e996d6960db2c3427926fa9d5d04c33ba3f152c183d6593ef1ea1085574d8cce229c10018dcbdb5cdafd5c79c9491fd652f06922a9e96373abc95f9b1ba
ripemd-160
2447ad78eceea6cf46210be568bf845b4cb9d7ac
Diameter
262579560
Circumference
824918016.67884
Area
5.4151652463901E+16
Volume
9.4794113848293E+24
Surface area
2.166066098556E+17
Circumference
824918016.67884
Perimeter
525159120
Area
17237006332448400
Diagonal
185671787.47698
Surface area
103422037994690400
Volume
2.2630427692458E+24
Space diagonal
227400569.47454
Perimeter
393869340
Area
7.4638426845468E+15
Altitude
113700284.73727
Surface area
7.4638426845468E+15
Volume
2.6670214804148E+23
Height
61890595.82566