20149979 is an odd 8-digits composite number following 20149978
and preceding 20149980 . In scientific notation, it is written as 2.0149979 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 20126376 positive integers (up to 20149979) that are relatively prime to 20149979.
20149979 has 4 divisors, whose sum is 20173584
The reverse of 20149979 is 97994102
Previous prime number is 887
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million one hundred forty-nine thousand nine hundred seventy-nine
Scientific notation
2.0149979 × 10^7
Engineering notation
2.0149979 × 10^6
Prime Factorization
887 × 22717
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149979
Product of the distinct prime numbers
The prime factorization of 20149979 is 887 × 22717.
Since it has a total of 2 prime factors.
6 , 10 , 18 , 44 , 764 , 382 , 245 , 6810 , 34981 , 87308 , 933329 , 212783 , 6714211 , 546591 , 22260243 , 2556464 , 622667527 , 172188307 , 9363310173 , 1822805932
n×2
40299958
n×3
60449937
n×4
80599916
n×5
100749895
n÷2
10074989.5
n÷3
6716659.6666667
n÷3
5037494.75
n÷5
4029995.8
n2
406021653700441
n3
8.1813277956092E+21
n4
1.6485358327364E+29
n5
3.3217962410386E+36
2 √n
4488.872798376
3 √n
272.1185820537
4 √n
66.999050727425
5 √n
28.897143830343
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
-20149978
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 20149979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111011011011011
3
Ternary
1101220201120112
4
Quaternary
1030313123123
5
Quinary
20124244404
6
Senary
1555514535
8
Octal
114673333
10
Decimal
20149979
12
Duodecimal
68b8a4b
16
Hexadecimal
13376db
20
Vigesimal
65ieij
36
Base36
bzvtn
md5
850a4fccbab6f6be00284f8786a60fdd
sha1
cdb1048a8a104a671454f50146869c17cd5baf2c
sha256
bcfab2427e08a9aab1b69da1945d10304cfaff4054bb90bd9357170821a7bcba
sha512
1a7ef1a2f204c19c2593056ec20561780f022c451313136e724da2d6911084e90d9f6b5316c1b122821dee6c3aea84e74f80c275cb417d436e6215a5b070709c
ripemd-160
8618586dd85a450bcff1214aec2017e4c46ce2f4
Diameter
40299958
Circumference
126606051.99278
Area
1.2755546444637E+15
Volume
3.4269865732394E+22
Surface area
5.1022185778547E+15
Circumference
126606051.99278
Perimeter
80599916
Area
406021653700441
Diagonal
28496373.583333
Surface area
2436129922202646
Volume
8.1813277956092E+21
Space diagonal
34900787.399446
Perimeter
60449937
Area
1.7581253329557E+14
Altitude
17450393.699723
Surface area
1.7581253329557E+14
Volume
9.6417872723087E+20
Height
9498791.1944444