126988 is an even 6-digits composite number following 126987
and preceding 126989 . In scientific notation, it is written as 1.26988 × 10^5.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 62192 positive integers (up to 126988) that are relatively prime to 126988.
126988 has 12 divisors, whose sum is 226800
The reverse of 126988 is 889621
Previous prime number is 53
Is Prime? no
Number parity even
Number length 6
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-six thousand nine hundred eighty-eight
Scientific notation
1.26988 × 10^5
Engineering notation
1.26988 × 10^3
Prime Factorization
2 × 2 × 53 × 599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
63494
Product of the distinct prime numbers
The prime factorization of 126988 is 2 × 2 × 53 × 599.
Since it has a total of 4 prime factors.
9 , 1 , 16 , 8 , 702 , 776 , 4524 , 325 , 34446 , 35710 , 776472 , 764952 , 7956939 , 7939217 , 52167013 , 50184359 , 140988402 , 181860597 , 3051160881 , 3751385769
n×2
253976
n×3
380964
n×4
507952
n×5
634940
n÷2
63494
n÷3
42329.333333333
n÷3
31747
n÷5
25397.6
n2
16125952144
n3
2047802410862272
n4
2.6004633255058E+20
n5
3.3022763677933E+25
2 √n
356.35375682038
3 √n
50.26367374557
4 √n
18.877334473394
5 √n
10.489445640694
1 , 2 , 4 , 53 , 106 , 212 , 599 , 1198 , 2396 , 31747 , 63494 , 126988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126988 can be divided by 12 positive divisors.
The sum of these divisors (counting 126988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111000000001100
3
Ternary
20110012021
4
Quaternary
133000030
5
Quinary
13030423
6
Senary
2415524
8
Octal
370014
10
Decimal
126988
12
Duodecimal
615a4
16
Hexadecimal
1f00c
20
Vigesimal
fh98
36
Base36
2pzg
md5
6077ed85422422030dbb49487b84e443
sha1
0b60ed42aa1e51ccfa90ab16be46d95c36bca881
sha256
73af8ef7ea77cc55998adda44e3101c9387b2e5669aac5bb6108d82c711592da
sha512
743ba218bd21ed13fe149c8fb3076cdc6e887fc683203ece1261e51fcc2eac5b0827536fd579854ad67c7f52d967d7dca9e1d974f39b4698c59ee58e12505359
ripemd-160
87ea95310fe0e4a46d01868040dfecf7e4fbc53f
Diameter
253976
Circumference
797889.13578812
Area
50661172787.731
Volume
8.5778146799578E+15
Surface area
202644691150.92
Circumference
797889.13578812
Perimeter
507952
Area
16125952144
Diagonal
179588.15185863
Surface area
96755712864
Volume
2047802410862272
Space diagonal
219949.66795156
Perimeter
380964
Area
6982742108.4581
Altitude
109974.83397578
Surface area
6982742108.4581
Volume
2.4133582854181E+14
Height
59862.717286212