20165978 (number)

20165978 is an even 8-digits composite number following 20165977 and preceding 20165979. In scientific notation, it is written as 2.0165978 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 8134080 positive integers (up to 20165978) that are relatively prime to 20165978.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-five thousand nine hundred seventy-eight

Notation

Scientific notation 2.0165978 × 10^7
Engineering notation 2.0165978 × 10^6

Prime Factorization of 20165978

Prime Factorization 2 × 7 × 17 × 84731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20165978
Product of the distinct prime numbers

The prime factorization of 20165978 is 2 × 7 × 17 × 84731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20165978)

Multiplication

n×y
n×2 40331956
n×3 60497934
n×4 80663912
n×5 100829890

Division

n÷y
n÷2 10082989
n÷3 6721992.6666667
n÷3 5041494.5
n÷5 4033195.6

Exponentiation

ny
n2 406666668696484
n3 8.2008310942666E+21
n4 1.653777794287E+29
n5 3.3350046616479E+36

Nth Root

y√n
2√n 4490.6545179962
3√n 272.19058334377
4√n 67.012346011733
5√n 28.901731216169

Divisors of 20165978

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 -20165977
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 20165978 can be divided by 16 positive divisors. The sum of these divisors (counting 20165978) is 1, the average is 0.0625.

Base conversion 20165978

Base System Value
2 Binary 1001100111011010101011010
3 Ternary 1101221112112002
4 Quaternary 1030323111122
5 Quinary 20130302403
6 Senary 2000121002
8 Octal 114732532
10 Decimal 20165978
12 Duodecimal 6906162
16 Hexadecimal 133b55a
20 Vigesimal 660eii
36 Base36 c0862

Cryptographic Hash Functions

md5 9b2be0de03267dae71538b82a4274c03
sha1 ace255bd63c291068d3612f1cb79819eb90fe51b
sha256 489c025527c6674ef7190545bf489a38ec087b53685b57432e69811ed977e712
sha512 432ee7cc5445494b8e75d64713a04ab6773c5a4718e19472a7f3190ed79eaa6803e49a2759872bc924c48058cfd500621eb2451d33383ae8e6e6f20b8f43e20a
ripemd-160 a164de1c59141d5d76d59c60fa08251b745494fa

20165978 as geometric shapes

Circle

Radius = n
Diameter 40331956
Circumference 126706576.67451
Area 1.2775810188367E+15

Sphere

Radius = n
Volume 3.4351560958772E+22
Surface area 5.1103240753468E+15
Circumference 126706576.67451

Square

Length = n
Perimeter 80663912
Area 406666668696484
Diagonal 28518999.586117

Cube

Length = n
Surface area 2440000012178904
Volume 8.2008310942666E+21
Space diagonal 34928498.480316

Equilateral Triangle

Length = n
Perimeter 60497934
Area 1.7609183298177E+14
Altitude 17464249.240158

Triangular Pyramid

Length = n
Surface area 1.7609183298177E+14
Volume 9.6647721302023E+20
Height 9506333.1953725