131285478 is an even 9-digits composite number following 131285477
and preceding 131285479 . In scientific notation, it is written as 1.31285478 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 41381280 positive integers (up to 131285478) that are relatively prime to 131285478.
131285478 has 32 divisors, whose sum is 276906240
The reverse of 131285478 is 874582131
Previous prime number is 1031
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-five thousand four hundred seventy-eight
Scientific notation
1.31285478 × 10^8
Engineering notation
1.31285478 × 10^6
Prime Factorization
2 × 3 × 19 × 1031 × 1117
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
131285478 Product of the distinct prime numbers
The prime factorization of 131285478 is 2 × 3 × 19 × 1031 × 1117.
Since it has a total of 5 prime factors.
8 , 1 , 62 , 57 , 854 , 607 , 1521 , 4126 , 35431 , 25540 , 904261 , 144347 , 5582159 , 6513573 , 26014682 , 81736441 , 708247868 , 868060352 , 7747130934 , 2749673619
n×2
262570956
n×3
393856434
n×4
525141912
n×5
656427390
n÷2
65642739
n÷3
43761826
n÷3
32821369.5
n÷5
26257095.6
n2
17235876733688484
n3
2.2628203157314E+24
n4
2.970754467789E+32
n5
3.9001692032432E+40
2 √n11457.98751963
3 √n508.2439643901
4 √n107.0419895164
5 √n42.038125069892
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 1031 , 1117 , 2062 , 2234 , 3093 , 3351 , 6186 , 6702 , 19589 , 21223 , 39178 , 42446 , 58767 , 63669 , 117534 , 127338 , 1151627 , 2303254 , 3454881 , 6909762 , 21880913 , 43761826 , 65642739 , 131285478
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-131285477 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131285478 can be divided by 32 positive divisors.
The sum of these divisors (counting 131285478) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111110100110100000111100110
3
Ternary
100011000222211010
4
Quaternary
13310310013212
5
Quinary
232102113403
6
Senary
21005523050
8
Octal
764640746
10
Decimal
131285478
12
Duodecimal
37b73486
16
Hexadecimal
7d341e6
20
Vigesimal
210addi
36
Base36
265wiu
md5
16b941e8dcb96e3b413684984ecd701d
sha1
a1607402b80b6d7fda5b8168849c903e1b048d5b
sha256
74cb36be9ff61bd6554e711c98e2d917971d9e7197ad27b4368f8da67cdf5a46
sha512
c41319dfbb9adf351f9f8250cde31144d3e7c1fffbb90fd88a0077b267a5b8668b8adc99bf690bb09bcf20bca8a2eb30797b2b15ff0cee37c09cb809a457cbe9
ripemd-160
6c1d79b0669ebbd15faf1428a94917c808713171
Diameter
262570956
Circumference
824890986.41565
Area
5.4148103724735E+16
Volume
9.4784795737272E+24
Surface area
2.1659241489894E+17
Circumference
824890986.41565
Perimeter
525141912
Area
17235876733688484
Diagonal
185665703.53023
Surface area
103415260402130904
Volume
2.2628203157314E+24
Space diagonal
227393118.19197
Perimeter
393856434
Area
7.4633535539357E+15
Altitude
113696559.09598
Surface area
7.4633535539357E+15
Volume
2.6667593164339E+23
Height
61888567.843412