20215979 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand nine hundred seventy-nine

Notation

Scientific notation 2.0215979 × 10^7
Engineering notation 2.0215979 × 10^6

Prime Factorization of 20215979

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.

Most popular turbo-numbers

Basic calculations (n = 20215979)

Multiplication

n×y
n×2 40431958
n×3 60647937
n×4 80863916
n×5 101079895

Division

n÷y
n÷2 10107989.5
n÷3 6738659.6666667
n÷3 5053994.75
n÷5 4043195.8

Exponentiation

ny
n2 408685806928441
n3 8.2619836904634E+21
n4 1.6702408878475E+29
n5 3.3765554713667E+36

Nth Root

y√n
2√n 4496.2182998605
3√n 272.41536074605
4√n 67.053846271936
5√n 28.916049235767

Divisors of 20215979

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 conversion 20215979

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

Cryptographic Hash Functions

md5 148245c8574403de7a9e5de14507f7d3
sha1 85a8d73a0e244249430f94c56b5bfe55fca8257a
sha256 ce75c991ea168bb82726207b9f981159714bd9c3892db087c7f0edfc635d8dcf
sha512 dc8217dde52b1c51d155869d64eec42e477d84b603dfd096af48690a5907f73e9d20e22fd7e310c08ce8424cb6f7a1dee720d05e6d970bbe24004ab642abdb6f
ripemd-160 eab336f15e2e580b1e278506480f1a489b05a9f4

20215979 as geometric shapes

Circle

Radius = n
Diameter 40431958
Circumference 127020742.22305
Area 1.2839243286728E+15

Sphere

Radius = n
Volume 3.4607716354718E+22
Surface area 5.1356973146912E+15
Circumference 127020742.22305

Square

Length = n
Perimeter 80863916
Area 408685806928441
Diagonal 28589711.67845

Cube

Length = n
Surface area 2452114841570646
Volume 8.2619836904634E+21
Space diagonal 35015102.752745

Equilateral Triangle

Length = n
Perimeter 60647937
Area 1.7696614548309E+14
Altitude 17507551.376373

Triangular Pyramid

Length = n
Surface area 1.7696614548309E+14
Volume 9.7368411559656E+20
Height 9529903.8928166