126996821 is an odd 9-digits composite number following 126996820
and preceding 126996822 . In scientific notation, it is written as 1.26996821 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 108854412 positive integers (up to 126996821) that are relatively prime to 126996821.
126996821 has 4 divisors, whose sum is 145139232
The reverse of 126996821 is 128699621
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-six million nine hundred ninety-six thousand eight hundred twenty-one
Scientific notation
1.26996821 × 10^8
Engineering notation
1.26996821 × 10^6
Prime Factorization
7 × 18142403
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
126996821
Product of the distinct prime numbers
The prime factorization of 126996821 is 7 × 18142403.
Since it has a total of 2 prime factors.
7 , 6 , 95 , 67 , 422 , 294 , 9641 , 8909 , 83657 , 63628 , 523940 , 623519 , 6419490 , 6870593 , 92744632 , 41385516 , 476858864 , 643397725 , 5248160514 , 4797725119
n×2
253993642
n×3
380990463
n×4
507987284
n×5
634984105
n÷2
63498410.5
n÷3
42332273.666667
n÷3
31749205.25
n÷5
25399364.2
n2
16128192544106041
n3
2.0482291815774E+24
n4
2.6011859473976E+32
n5
3.3034234614937E+40
2 √n
11269.286623385
3 √n
502.64837544775
4 √n
106.15689625919
5 √n
41.75981537729
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
-126996820
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 126996821 can be divided by 4 positive divisors.
The sum of these divisors (counting 126996821) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100100011101000101010101
3
Ternary
22211222002212222
4
Quaternary
13210131011111
5
Quinary
230002344241
6
Senary
20333552125
8
Octal
744350525
10
Decimal
126996821
12
Duodecimal
36645645
16
Hexadecimal
791d155
20
Vigesimal
1jdec11
36
Base36
23lzdh
md5
2fb55e4aabc034367273dcb71e16fe7b
sha1
712d28c382cbe0f792b31e5dc4d493a00a384135
sha256
0d14e6781c3f7141a89f9c9b128911b1c6ae1a66f90e09d644e5618c7cb05de0
sha512
8fa0112f8e51abc8c828a93a34bc1b7fce570128a4962ad4621665d0595fb72a811017496bf7b1ccc8e8cfdb239d4c76a83ce29d82913b5446c3ef3055f5b7d4
ripemd-160
ca51fbaf0c52ce8de674581b2ca1a871420fa23d
Diameter
253993642
Circumference
797944559.76572
Area
5.0668211212245E+16
Volume
8.5796023329489E+24
Surface area
2.0267284484898E+17
Circumference
797944559.76572
Perimeter
507987284
Area
16128192544106041
Diagonal
179600626.63647
Surface area
96769155264636246
Volume
2.0482291815774E+24
Space diagonal
219964946.37173
Perimeter
380990463
Area
6.9837122301613E+15
Altitude
109982473.18587
Surface area
6.9837122301613E+15
Volume
2.4138612395292E+23
Height
59866875.545489