126989161 is an odd 9-digits composite number following 126989160
and preceding 126989162 . In scientific notation, it is written as 1.26989161 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 116878800 positive integers (up to 126989161) that are relatively prime to 126989161.
126989161 has 8 divisors, whose sum is 137156544
The reverse of 126989161 is 161989621
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-six million nine hundred eighty-nine thousand one hundred sixty-one
Scientific notation
1.26989161 × 10^8
Engineering notation
1.26989161 × 10^6
Prime Factorization
13 × 347 × 28151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
126989161
Product of the distinct prime numbers
The prime factorization of 126989161 is 13 × 347 × 28151.
Since it has a total of 3 prime factors.
7 , 6 , 11 , 61 , 719 , 435 , 912 , 5371 , 31349 , 450 , 107864 , 535413 , 4529598 , 80071 , 40447084 , 88483970 , 751850 , 125749400 , 8215487147 , 4554707881
n×2
253978322
n×3
380967483
n×4
507956644
n×5
634945805
n÷2
63494580.5
n÷3
42329720.333333
n÷3
31747290.25
n÷5
25397832.2
n2
16126247011483921
n3
2.0478585780671E+24
n4
2.6005584267539E+32
n5
3.3024273274496E+40
2 √n
11268.946756463
3 √n
502.63826925259
4 √n
106.15529547066
5 √n
41.759311604201
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
-126989160
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 126989161 can be divided by 8 positive divisors.
The sum of these divisors (counting 126989161) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100100011011001101101001
3
Ternary
22211221201101021
4
Quaternary
13210123031221
5
Quinary
230002123121
6
Senary
20333452441
8
Octal
744331551
10
Decimal
126989161
12
Duodecimal
36641121
16
Hexadecimal
791b369
20
Vigesimal
1jddci1
36
Base36
23ltgp
md5
c1d66a014ea815e6bd683589c0667085
sha1
1f522feb219bea91c6f9ca7004c4eb823467d353
sha256
5fe93fb00d682da00f692c94ee2af4cae27cf1cce5db711d612343f6abce33d3
sha512
c7696e309d8445592a39e24c8b0ee06ae0fb17827400caa16ad175e7ff9f7fccb34eac401f13da1db99e1fd4aeda0d197778c4f6ebe7ce7c81ace0013474d0e5
ripemd-160
75e8f316597e7a98dc6b878c9378ad6ef1cb1968
Diameter
253978322
Circumference
797896430.56626
Area
5.0662099141252E+16
Volume
8.5780499525953E+24
Surface area
2.0264839656501E+17
Circumference
797896430.56626
Perimeter
507956644
Area
16126247011483921
Diagonal
179589793.76058
Surface area
96757482068903526
Volume
2.0478585780671E+24
Space diagonal
219951678.86254
Perimeter
380967483
Area
6.982869789824E+15
Altitude
109975839.43127
Surface area
6.982869789824E+15
Volume
2.4134244791038E+23
Height
59863264.58686