20215979 is an odd 8-digits composite number following 20215978
and preceding 20215980 . In scientific notation, it is written as 2.0215979 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 17327940 positive integers (up to 20215979) that are relatively prime to 20215979.
20215979 has 4 divisors, whose sum is 20628600
The reverse of 20215979 is 97951202
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million two hundred fifteen thousand nine hundred seventy-nine
Scientific notation
2.0215979 × 10^7
Engineering notation
2.0215979 × 10^6
Prime Factorization
49 × 412571
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20215979
Product of the distinct prime numbers
The prime factorization of 20215979 is 49 × 412571.
Since it has a total of 2 prime factors.
2 , 3 , 20 , 53 , 207 , 531 , 3049 , 6223 , 10465 , 93720 , 51316 , 801502 , 9741990 , 5716189 , 66098738 , 44109993 , 351200299 , 985888239 , 9807610919 , 9422065704
n×2
40431958
n×3
60647937
n×4
80863916
n×5
101079895
n÷2
10107989.5
n÷3
6738659.6666667
n÷3
5053994.75
n÷5
4043195.8
n2
408685806928441
n3
8.2619836904634E+21
n4
1.6702408878475E+29
n5
3.3765554713667E+36
2 √n
4496.2182998605
3 √n
272.41536074605
4 √n
67.053846271936
5 √n
28.916049235767
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
-20215978
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 20215979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20215979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000111100010101011
3
Ternary
1102001002002222
4
Quaternary
1031013202223
5
Quinary
20133402404
6
Senary
2001144255
8
Octal
115074253
10
Decimal
20215979
12
Duodecimal
692b08b
16
Hexadecimal
13478ab
20
Vigesimal
666jij
36
Base36
c1aqz
md5
148245c8574403de7a9e5de14507f7d3
sha1
85a8d73a0e244249430f94c56b5bfe55fca8257a
sha256
ce75c991ea168bb82726207b9f981159714bd9c3892db087c7f0edfc635d8dcf
sha512
dc8217dde52b1c51d155869d64eec42e477d84b603dfd096af48690a5907f73e9d20e22fd7e310c08ce8424cb6f7a1dee720d05e6d970bbe24004ab642abdb6f
ripemd-160
eab336f15e2e580b1e278506480f1a489b05a9f4
Diameter
40431958
Circumference
127020742.22305
Area
1.2839243286728E+15
Volume
3.4607716354718E+22
Surface area
5.1356973146912E+15
Circumference
127020742.22305
Perimeter
80863916
Area
408685806928441
Diagonal
28589711.67845
Surface area
2452114841570646
Volume
8.2619836904634E+21
Space diagonal
35015102.752745
Perimeter
60647937
Area
1.7696614548309E+14
Altitude
17507551.376373
Surface area
1.7696614548309E+14
Volume
9.7368411559656E+20
Height
9529903.8928166