126989 is an odd 6-digits prime number following 126988
and preceding 126990 . In scientific notation, it is written as 1.26989 × 10^5.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 126988 positive integers (up to 126989) that are relatively prime to 126989.
126989 has 2 divisors, whose sum is 126990
The reverse of 126989 is 989621
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-six thousand nine hundred eighty-nine
Scientific notation
1.26989 × 10^5
Engineering notation
1.26989 × 10^3
Prime Factorization
126989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
126989
Product of the distinct prime numbers
The prime factorization of 126989 is 126989.
Since it has a total of 1 prime factors.
2 , 9 , 39 , 30 , 816 , 449 , 2542 , 6299 , 76494 , 18290 , 803759 , 884498 , 4817691 , 6081972 , 2701852 , 78862611 , 129055108 , 265463604 , 2860239759 , 9931585099
n×2
253978
n×3
380967
n×4
507956
n×5
634945
n÷2
63494.5
n÷3
42329.666666667
n÷3
31747.25
n÷5
25397.8
n2
16126206121
n3
2047850789099669
n4
2.6005452385698E+20
n5
3.3024063930074E+25
2 √n
356.35515991774
3 √n
50.263805683343
4 √n
18.877371636903
5 √n
10.489462161015
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
126990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
63495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
356.35656300958
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999842507284
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126989 can be divided by 2 positive divisors.
The sum of these divisors (counting 126989) is 126990, the average is 63495.
Base
System
Value
2
Binary
11111000000001101
3
Ternary
20110012022
4
Quaternary
133000031
5
Quinary
13030424
6
Senary
2415525
8
Octal
370015
10
Decimal
126989
12
Duodecimal
615a5
16
Hexadecimal
1f00d
20
Vigesimal
fh99
36
Base36
2pzh
md5
86f5da0d2b9ccb2e9a420d5a35a9e6b8
sha1
f192cc8087db14beb10a4fd95b2ec819a2a390f2
sha256
2f1605ad1675c0b02faa55f977e5e72cb808479eded503dab7bb62ffed947653
sha512
9debc588453fab9574f1dab842fae72c042528169e34292e823c5d07b02ddbabe4bc3ff23a1c9f09c6fa861ce39527fde3834c122d5f7ea4aa6f606e1dbd1f3e
ripemd-160
53c4fdb11c183a6cdd839090d85f5d1674046762
Diameter
253978
Circumference
797895.41897343
Area
50661970680.008
Volume
8.5780173262448E+15
Surface area
202647882720.03
Circumference
797895.41897343
Perimeter
507956
Area
16126206121
Diagonal
179589.5660722
Surface area
96757236726
Volume
2047850789099669
Space diagonal
219951.40000236
Perimeter
380967
Area
6982852083.7251
Altitude
109975.70000118
Surface area
6982852083.7251
Volume
2.4134152997177E+14
Height
59863.188690732