20079891 is an odd 8-digits composite number following 20079890
and preceding 20079892 . In scientific notation, it is written as 2.0079891 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 12182400 positive integers (up to 20079891) that are relatively prime to 20079891.
20079891 has 16 divisors, whose sum is 24366720
The reverse of 20079891 is 19897002
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seventy-nine thousand eight hundred ninety-one
Scientific notation
2.0079891 × 10^7
Engineering notation
2.0079891 × 10^6
Prime Factorization
9 × 13 × 73 × 2351
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20079891
Product of the distinct prime numbers
The prime factorization of 20079891 is 9 × 13 × 73 × 2351.
Since it has a total of 4 prime factors.
2 , 9 , 42 , 77 , 248 , 175 , 2498 , 138 , 28531 , 27526 , 585942 , 643406 , 9897784 , 2147865 , 45209256 , 85285581 , 907737688 , 556770710 , 721711597 , 5310877844
n×2
40159782
n×3
60239673
n×4
80319564
n×5
100399455
n÷2
10039945.5
n÷3
6693297
n÷3
5019972.75
n÷5
4015978.2
n2
403202022571881
n3
8.0962526642229E+21
n4
1.6257187100606E+29
n5
3.2644254494677E+36
2 √n
4481.0591381949
3 √n
271.80271070528
4 √n
66.940713606854
5 √n
28.877013121269
1 , 9 , 13 , 73 , 117 , 657 , 949 , 2351 , 8541 , 21159 , 30563 , 171623 , 275067 , 1544607 , 2231099 , 20079891
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20079890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20079891 can be divided by 16 positive divisors.
The sum of these divisors (counting 20079891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110010100010011
3
Ternary
1101210011102200
4
Quaternary
1030212110103
5
Quinary
20120024031
6
Senary
1554214243
8
Octal
114462423
10
Decimal
20079891
12
Duodecimal
6884383
16
Hexadecimal
1326513
20
Vigesimal
659jeb
36
Base36
bydqr
md5
689b3453d42b5aefe4500da17783f303
sha1
f85b2fecb18bebfa51e0b8452bf7706cd42c063f
sha256
fba5f52d5cd5bc78e2a766674912fc89c8d556c9b86026dbd97c81b38731b528
sha512
cb80be363c7698f610107c7e5535d1249b4a409af20990098ca8bb1e7ad65ac01804a6cc4b306ba0f42a1c999250e66d5fa47ddea8a4bd48b918c6f592c25587
ripemd-160
32b4f2c421c8fd9d349e61b71d98b52ad1f034cc
Diameter
40159782
Circumference
126165676.10097
Area
1.2666965120244E+15
Volume
3.3913503855373E+22
Surface area
5.0667860480975E+15
Circumference
126165676.10097
Perimeter
80319564
Area
403202022571881
Diagonal
28397254.183173
Surface area
2419212135431286
Volume
8.0962526642229E+21
Space diagonal
34779391.422445
Perimeter
60239673
Area
1.7459159720226E+14
Altitude
17389695.711223
Surface area
1.7459159720226E+14
Volume
9.5415252684528E+20
Height
9465751.3943912