126988489 is an odd 9-digits composite number following 126988488
and preceding 126988490 . In scientific notation, it is written as 1.26988489 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 126962820 positive integers (up to 126988489) that are relatively prime to 126988489.
126988489 has 4 divisors, whose sum is 127014160
The reverse of 126988489 is 984889621
Previous prime number is 6691
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-six million nine hundred eighty-eight thousand four hundred eighty-nine
Scientific notation
1.26988489 × 10^8
Engineering notation
1.26988489 × 10^6
Prime Factorization
6691 × 18979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
126988489
Product of the distinct prime numbers
The prime factorization of 126988489 is 6691 × 18979.
Since it has a total of 2 prime factors.
3 , 9 , 57 , 30 , 31 , 955 , 1134 , 8759 , 71914 , 11531 , 976631 , 484916 , 47402 , 9715492 , 9074883 , 99078493 , 455957069 , 966225404 , 5274323914 , 4071948674
n×2
253976978
n×3
380965467
n×4
507953956
n×5
634942445
n÷2
63494244.5
n÷3
42329496.333333
n÷3
31747122.25
n÷5
25397697.8
n2
16126076338503121
n3
2.0478260677252E+24
n4
2.6005033807523E+32
n5
3.3023399496113E+40
2 √n
11268.916939973
3 √n
502.63738263227
4 √n
106.15515503249
5 √n
41.759267407805
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126988488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126988489 can be divided by 4 positive divisors.
The sum of these divisors (counting 126988489) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100100011011000011001001
3
Ternary
22211221200110101
4
Quaternary
13210123003021
5
Quinary
230002112424
6
Senary
20333445401
8
Octal
744330311
10
Decimal
126988489
12
Duodecimal
36640861
16
Hexadecimal
791b0c9
20
Vigesimal
1jddb49
36
Base36
23lsy1
md5
7d49247db28eac5760fce1d90d1af681
sha1
4067d754a862bf3ff34cdf368900504ae00b61e9
sha256
c6a11edbd5d32f428ea5ac7c5e87db1f6c27f86caf0e476010db8bbd27eebaa5
sha512
459714ff0ce80c755ddcb77bf77818d91fb5193b9341403639ffcc4dfdabc2df412c8d1a98a2fde63c34dc1e46ee327a12c971b2ef1446f8346c3ed84bd91f61
ripemd-160
7dfc0f1b131bb4c33668eeeb0baaf76fc662beba
Diameter
253976978
Circumference
797892208.26574
Area
5.066156295627E+16
Volume
8.5779137735934E+24
Surface area
2.0264625182508E+17
Circumference
797892208.26574
Perimeter
507953956
Area
16126076338503121
Diagonal
179588843.40907
Surface area
96756458031018726
Volume
2.0478260677252E+24
Space diagonal
219950514.9244
Perimeter
380965467
Area
6.9827958862554E+15
Altitude
109975257.4622
Surface area
6.9827958862554E+15
Volume
2.4133861652984E+23
Height
59862947.803022