20079981 (number)

20079981 is an odd 8-digits composite number following 20079980 and preceding 20079982. In scientific notation, it is written as 2.0079981 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 13386600 positive integers (up to 20079981) that are relatively prime to 20079981.

Interesting facts

Basic properties

Name

Name twenty million seventy-nine thousand nine hundred eighty-one

Notation

Scientific notation 2.0079981 × 10^7
Engineering notation 2.0079981 × 10^6

Prime Factorization of 20079981

Prime Factorization 9 × 9 × 247901

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2231109
Product of the distinct prime numbers

The prime factorization of 20079981 is 9 × 9 × 247901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20079981)

Multiplication

n×y
n×2 40159962
n×3 60239943
n×4 80319924
n×5 100399905

Division

n÷y
n÷2 10039990.5
n÷3 6693327
n÷3 5019995.25
n÷5 4015996.2

Exponentiation

ny
n2 403205636960361
n3 8.0963615292569E+21
n4 1.6257478567661E+29
n5 3.2644986074654E+36

Nth Root

y√n
2√n 4481.0691804524
3√n 271.80311678662
4√n 66.940788615405
5√n 28.877039007132

Divisors of 20079981

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20079980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20079981 can be divided by 6 positive divisors. The sum of these divisors (counting 20079981) is 1, the average is 0.16666666666667.

Base conversion 20079981

Base System Value
2 Binary 1001100100110010101101101
3 Ternary 1101210011120000
4 Quaternary 1030212111231
5 Quinary 20120024411
6 Senary 1554214513
8 Octal 114462555
10 Decimal 20079981
12 Duodecimal 6884439
16 Hexadecimal 132656d
20 Vigesimal 659jj1
36 Base36 bydt9

Cryptographic Hash Functions

md5 a275447dc1297c1d38459cbd087fdada
sha1 445f1482d6f9fd1a35bb4c9d7a1ccf033ef09e03
sha256 297296d4ccc6041152655fef2d18a56468c26d1c2d5331d7a0dc0b988635411a
sha512 40ef4c78f01306f9906dd7e856a6ea833e99304f4b55818ca009b44559644c378db9f94b912b8c197525a4466a8c828aa5cc04b22656788b7bac6a9629f01552
ripemd-160 3aba727e6be92f9a47c1946db27137443980e404

20079981 as geometric shapes

Circle

Radius = n
Diameter 40159962
Circumference 126166241.58765
Area 1.2667078669607E+15

Sphere

Radius = n
Volume 3.3913959868161E+22
Surface area 5.0668314678427E+15
Circumference 126166241.58765

Square

Length = n
Perimeter 80319924
Area 403205636960361
Diagonal 28397381.462394

Cube

Length = n
Surface area 2419233821762166
Volume 8.0963615292569E+21
Space diagonal 34779547.307018

Equilateral Triangle

Length = n
Perimeter 60239943
Area 1.7459316227838E+14
Altitude 17389773.653509

Triangular Pyramid

Length = n
Surface area 1.7459316227838E+14
Volume 9.5416535671258E+20
Height 9465793.820798