126985191 is an odd 9-digits composite number following 126985190
and preceding 126985192 . In scientific notation, it is written as 1.26985191 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 83059392 positive integers (up to 126985191) that are relatively prime to 126985191.
126985191 has 8 divisors, whose sum is 172508400
The reverse of 126985191 is 191589621
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-six million nine hundred eighty-five thousand one hundred ninety-one
Scientific notation
1.26985191 × 10^8
Engineering notation
1.26985191 × 10^6
Prime Factorization
3 × 53 × 798649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
126985191
Product of the distinct prime numbers
The prime factorization of 126985191 is 3 × 53 × 798649.
Since it has a total of 3 prime factors.
2 , 2 , 62 , 19 , 171 , 839 , 5722 , 5999 , 9940 , 75327 , 698180 , 429589 , 7431647 , 5541214 , 56014345 , 16059331 , 787179007 , 406283829 , 334191033 , 4164374589
n×2
253970382
n×3
380955573
n×4
507940764
n×5
634925955
n÷2
63492595.5
n÷3
42328397
n÷3
31746297.75
n÷5
25397038.2
n2
16125238733306481
n3
2.0476665204695E+24
n4
2.6002332420613E+32
n5
3.301911148877E+40
2 √n
11268.770607302
3 √n
502.63303128659
4 √n
106.15446579067
5 √n
41.759050500751
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
-126985190
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 126985191 can be divided by 8 positive divisors.
The sum of these divisors (counting 126985191) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100100011010001111100111
3
Ternary
22211221111221020
4
Quaternary
13210122033213
5
Quinary
230002011231
6
Senary
20333422223
8
Octal
744321747
10
Decimal
126985191
12
Duodecimal
3663a973
16
Hexadecimal
791a3e7
20
Vigesimal
1jdd2jb
36
Base36
23lqef
md5
68b31f66a818e3e1fbc8120e9e83b9b3
sha1
bbc876fd99fdef829b146c8831a136833a04d55f
sha256
9d4058209229c50fc3822305fd68d8220c25001ad1d0b1c560c58ff9bc578ed0
sha512
c78f887ab292bb32693b15d390b8e73d4691c917ce2a0f3bdae958d1355b4c521a45e3a6e35bb6aa4e402dd268a533bd7b9fd7896aca43c8a69772069f4d1ea4
ripemd-160
e845fe5cc9e1dcadc4bbf82a70fbf80a6ac88744
Diameter
253970382
Circumference
797871486.32059
Area
5.0658931541937E+16
Volume
8.5772454636118E+24
Surface area
2.0263572616775E+17
Circumference
797871486.32059
Perimeter
507940764
Area
16125238733306481
Diagonal
179584179.33274
Surface area
96751432399838886
Volume
2.0476665204695E+24
Space diagonal
219944802.62084
Perimeter
380955573
Area
6.9824331925661E+15
Altitude
109972401.31042
Surface area
6.9824331925661E+15
Volume
2.4131981370544E+23
Height
59861393.110913