126687 is an odd 6-digits composite number following 126686
and preceding 126688 . In scientific notation, it is written as 1.26687 × 10^5.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 76560 positive integers (up to 126687) that are relatively prime to 126687.
126687 has 8 divisors, whose sum is 170800
The reverse of 126687 is 786621
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-six thousand six hundred eighty-seven
Scientific notation
1.26687 × 10^5
Engineering notation
1.26687 × 10^3
Prime Factorization
3 × 121 × 349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
126687
Product of the distinct prime numbers
The prime factorization of 126687 is 3 × 121 × 349.
Since it has a total of 3 prime factors.
3 , 2 , 52 , 88 , 953 , 952 , 5162 , 4823 , 61290 , 36291 , 439981 , 683592 , 1420865 , 210521 , 94554409 , 82769490 , 390801180 , 316911003 , 2240818146 , 935818383
n×2
253374
n×3
380061
n×4
506748
n×5
633435
n÷2
63343.5
n÷3
42229
n÷3
31671.75
n÷5
25337.4
n2
16049595969
n3
2033275164524703
n4
2.5758953076814E+20
n5
3.2633244884423E+25
2 √n
355.931173122
3 √n
50.223928952652
4 √n
18.86613826733
5 √n
10.484468287044
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
-126686
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 126687 can be divided by 8 positive divisors.
The sum of these divisors (counting 126687) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110111011011111
3
Ternary
20102210010
4
Quaternary
132323133
5
Quinary
13023222
6
Senary
2414303
8
Octal
367337
10
Decimal
126687
12
Duodecimal
61393
16
Hexadecimal
1eedf
20
Vigesimal
fge7
36
Base36
2pr3
md5
982f409256781f8353ba9e5ec91ebf25
sha1
00b99146dddbecea6492c6f9871cb59d399df462
sha256
6f4e66badae31945fcfdf7d4522e1af546cdf998e7a5d5c7f49d1a31253eac67
sha512
c957bd2895659506dd7b697a260999451ff3096705cd5ad89f44329c3fdd4e3ced6ebab4d5b0a03503c40e5eab44a0f1f53921356285f4919d714ecb056376ff
ripemd-160
0d907e143e009fe7818098e32116595e8c1818c7
Diameter
253374
Circumference
795997.89701066
Area
50421292789.295
Volume
8.5169630927965E+15
Surface area
201685171157.18
Circumference
795997.89701066
Perimeter
506748
Area
16049595969
Diagonal
179162.47357636
Surface area
96297575814
Volume
2033275164524703
Space diagonal
219428.32065848
Perimeter
380061
Area
6949678914.8152
Altitude
109714.16032924
Surface area
6949678914.8152
Volume
2.3962377614227E+14
Height
59720.824525453