126987669 is an odd 9-digits composite number following 126987668
and preceding 126987670 . In scientific notation, it is written as 1.26987669 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 80974080 positive integers (up to 126987669) that are relatively prime to 126987669.
126987669 has 16 divisors, whose sum is 178867584
The reverse of 126987669 is 966789621
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred twenty-six million nine hundred eighty-seven thousand six hundred sixty-nine
Scientific notation
1.26987669 × 10^8
Engineering notation
1.26987669 × 10^6
Prime Factorization
81 × 3 × 23 × 22721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
126987669
Product of the distinct prime numbers
The prime factorization of 126987669 is 81 × 3 × 23 × 22721.
Since it has a total of 4 prime factors.
7 , 8 , 38 , 65 , 788 , 11 , 6762 , 2456 , 10135 , 28516 , 692081 , 224072 , 6203057 , 3178480 , 85066642 , 64699641 , 243901426 , 92407363 , 7212971075 , 7075353940
n×2
253975338
n×3
380963007
n×4
507950676
n×5
634938345
n÷2
63493834.5
n÷3
42329223
n÷3
31746917.25
n÷5
25397533.8
n2
16125868078053561
n3
2.0477863978335E+24
n4
2.6004362127079E+32
n5
3.3022333303496E+40
2 √n
11268.880556648
3 √n
502.63630074014
4 √n
106.15498366374
5 √n
41.759213477424
1 , 3 , 23 , 69 , 81 , 243 , 1863 , 5589 , 22721 , 68163 , 522583 , 1567749 , 1840401 , 5521203 , 42329223 , 126987669
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126987668
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126987669 can be divided by 16 positive divisors.
The sum of these divisors (counting 126987669) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100011010110110010101
3
Ternary
22211221122100000
4
Quaternary
13210122312111
5
Quinary
230002101134
6
Senary
20333441513
8
Octal
744326625
10
Decimal
126987669
12
Duodecimal
36640299
16
Hexadecimal
791ad95
20
Vigesimal
1jdd939
36
Base36
23lsb9
md5
8cef6ce532fa2e145cdc1bb8b78aff46
sha1
2e54b463e9e4a7f64a3e57e5533f709b2a5e4373
sha256
50673935cdce9873a9b023340eb2dfaa22463541ee4dfe68d1d5b6e0d0ed5b1b
sha512
d179d9971c018884246ad621a54b2c3a30cb751e6184325598b54615d35fecadb66659e1f747820b0444044f40aeb90f9e4e1d11313bb0fd641d52f3461d311b
ripemd-160
28ca1631dab54f0da26b0ebc3daf7eba2876668f
Diameter
253975338
Circumference
797887056.05378
Area
5.0660908686771E+16
Volume
8.5777476047399E+24
Surface area
2.0264363474708E+17
Circumference
797887056.05378
Perimeter
507950676
Area
16125868078053561
Diagonal
179587683.75395
Surface area
96755208468321366
Volume
2.0477863978335E+24
Space diagonal
219949094.64274
Perimeter
380963007
Area
6.9827057068355E+15
Altitude
109974547.32137
Surface area
6.9827057068355E+15
Volume
2.4133394138828E+23
Height
59862561.251315