126988985 is an odd 9-digits composite number following 126988984
and preceding 126988986 . In scientific notation, it is written as 1.26988985 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 101591184 positive integers (up to 126988985) that are relatively prime to 126988985.
126988985 has 4 divisors, whose sum is 152386788
The reverse of 126988985 is 589889621
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred twenty-six million nine hundred eighty-eight thousand nine hundred eighty-five
Scientific notation
1.26988985 × 10^8
Engineering notation
1.26988985 × 10^6
Prime Factorization
5 × 25397797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
126988985
Product of the distinct prime numbers
The prime factorization of 126988985 is 5 × 25397797.
Since it has a total of 2 prime factors.
10 , 2 , 1 , 94 , 904 , 44 , 4059 , 7955 , 44272 , 14686 , 797242 , 215526 , 4089364 , 8960843 , 36299894 , 29046121 , 529261069 , 266197466 , 3386965679 , 3504168268
n×2
253977970
n×3
380966955
n×4
507955940
n×5
634944925
n÷2
63494492.5
n÷3
42329661.666667
n÷3
31747246.25
n÷5
25397797
n2
16126202311330225
n3
2.0478500634205E+24
n4
2.6005440098595E+32
n5
3.3024044425989E+40
2 √n
11268.93894739
3 √n
502.63803704281
4 √n
106.15525868929
5 √n
41.759300028973
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
-126988984
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 126988985 can be divided by 4 positive divisors.
The sum of these divisors (counting 126988985) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100100011011001010111001
3
Ternary
22211221201010202
4
Quaternary
13210123022321
5
Quinary
230002121420
6
Senary
20333451545
8
Octal
744331271
10
Decimal
126988985
12
Duodecimal
36640bb5
16
Hexadecimal
791b2b9
20
Vigesimal
1jddc95
36
Base36
23ltbt
md5
63470529a14a67e9ba769bf10929c56a
sha1
61bd2d10a8042802780173c17dcc7a8aa84744d2
sha256
ad4b239d31ddd75e1d9d96027b7020d9d2c499928633613fcebec9ce0f8350dc
sha512
857d97c582e409418e1b0c4d9a6667c81075caf770460e0513f1ba70fb6905a33419e96668fb85edbfdbdce59f1ed6e208072d93f6b75a96d1dd887bf606c1b2
ripemd-160
8cd6a42a279009974738f491743bf8ac42062eeb
Diameter
253977970
Circumference
797895324.72565
Area
5.0661958711578E+16
Volume
8.5780142865269E+24
Surface area
2.0264783484631E+17
Circumference
797895324.72565
Perimeter
507955940
Area
16126202311330225
Diagonal
179589544.85899
Surface area
96757213867981350
Volume
2.0478500634205E+24
Space diagonal
219951374.0216
Perimeter
380966955
Area
6.9828504340897E+15
Altitude
109975687.0108
Surface area
6.9828504340897E+15
Volume
2.4134144444965E+23
Height
59863181.619665