20091979 is an odd 8-digits composite number following 20091978
and preceding 20091980 . In scientific notation, it is written as 2.0091979 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20083000 positive integers (up to 20091979) that are relatively prime to 20091979.
20091979 has 4 divisors, whose sum is 20100960
The reverse of 20091979 is 97919002
Previous prime number is 4751
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million ninety-one thousand nine hundred seventy-nine
Scientific notation
2.0091979 × 10^7
Engineering notation
2.0091979 × 10^6
Prime Factorization
4751 × 4229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20091979
Product of the distinct prime numbers
The prime factorization of 20091979 is 4751 × 4229.
Since it has a total of 2 prime factors.
8 , 5 , 10 , 40 , 643 , 435 , 7102 , 5982 , 99343 , 96152 , 452114 , 70067 , 9926631 , 7868592 , 32067266 , 91234437 , 745731046 , 962257379 , 7722562550 , 5783335595
n×2
40183958
n×3
60275937
n×4
80367916
n×5
100459895
n÷2
10045989.5
n÷3
6697326.3333333
n÷3
5022994.75
n÷5
4018395.8
n2
403687620136441
n3
8.1108831863414E+21
n4
1.6296369465142E+29
n5
3.2742631306988E+36
2 √n
4482.4077235343
3 √n
271.85724108249
4 √n
66.950785832089
5 √n
28.880489049606
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
-20091978
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 20091979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20091979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101001010001001011
3
Ternary
1101210210000101
4
Quaternary
1030221101023
5
Quinary
20120420404
6
Senary
1554350231
8
Octal
114512113
10
Decimal
20091979
12
Duodecimal
688b377
16
Hexadecimal
132944b
20
Vigesimal
65b9ij
36
Base36
byn2j
md5
8ff69633bd98eca9754b4ec9408b07ff
sha1
367aea8a303a025585eb13cddb520dc93d682dcd
sha256
a73438989be52a5f1289be0a1150c7e6a70697d63fdf87914c24201a19b80a26
sha512
40a6a70e56a549f00ce8880df75eacd1ec3b5cb16e8d7fb0e6179e07946adc18a9818380fe6f8f611fd667a69eef3e83839caa53ec395d50bd87d2d2f7232b67
ripemd-160
93713939a0a97bfee10ca8792a06bf3e8c89bcdb
Diameter
40183958
Circumference
126241627.24496
Area
1.2682220617658E+15
Volume
3.3974788043113E+22
Surface area
5.0728882470632E+15
Circumference
126241627.24496
Perimeter
80367916
Area
403687620136441
Diagonal
28414349.196715
Surface area
2422125720818646
Volume
8.1108831863414E+21
Space diagonal
34800328.452607
Perimeter
60275937
Area
1.7480186711572E+14
Altitude
17400164.226303
Surface area
1.7480186711572E+14
Volume
9.5587675041232E+20
Height
9471449.7322385