20131979 (number)

20131979 is an odd 8-digits composite number following 20131978 and preceding 20131980. In scientific notation, it is written as 2.0131979 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17012520 positive integers (up to 20131979) that are relatively prime to 20131979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131979 × 10^7
Engineering notation 2.0131979 × 10^6

Prime Factorization of 20131979

Prime Factorization 7 × 71 × 40507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20131979
Product of the distinct prime numbers

The prime factorization of 20131979 is 7 × 71 × 40507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131979)

Multiplication

n×y
n×2 40263958
n×3 60395937
n×4 80527916
n×5 100659895

Division

n÷y
n÷2 10065989.5
n÷3 6710659.6666667
n÷3 5032994.75
n÷5 4026395.8

Exponentiation

ny
n2 405296578456441
n3 8.1594222062569E+21
n4 1.642653165085E+29
n5 3.3069859023774E+36

Nth Root

y√n
2√n 4486.8673927363
3√n 272.03752996419
4√n 66.984083129773
5√n 28.891979214059

Divisors of 20131979

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131979 can be divided by 8 positive divisors. The sum of these divisors (counting 20131979) is 1, the average is 0.125.

Base conversion 20131979

Base System Value
2 Binary 1001100110011000010001011
3 Ternary 1101212210212212
4 Quaternary 1030303002023
5 Quinary 20123210404
6 Senary 1555255335
8 Octal 114630213
10 Decimal 20131979
12 Duodecimal 68aa54b
16 Hexadecimal 133308b
20 Vigesimal 65g9ij
36 Base36 bzhxn

Cryptographic Hash Functions

md5 ab0571aae874d086ad9b513eb11cceeb
sha1 525056c7e46e5d6ad7cd25f2add93b93fcd450a6
sha256 00ffe88300875375ac16e000836a86ef8d1dc4d2ad6a6050cc446430746dec52
sha512 b05bf166c0779aafb9d804d811be7f74fb4b5f1792afd789d6d84e0b18eb74bae97db452e377a526e491cccf134682968a8a0fb54c3a30790d75f1da8ee4dfc3
ripemd-160 c3ffed0ff0f88e179e2b330634a25cd766ecd6d5

20131979 as geometric shapes

Circle

Radius = n
Diameter 40263958
Circumference 126492954.65725
Area 1.2732767534038E+15

Sphere

Radius = n
Volume 3.4178107814286E+22
Surface area 5.0931070136153E+15
Circumference 126492954.65725

Square

Length = n
Perimeter 80527916
Area 405296578456441
Diagonal 28470917.73921

Cube

Length = n
Surface area 2431779470738646
Volume 8.1594222062569E+21
Space diagonal 34869610.48491

Equilateral Triangle

Length = n
Perimeter 60395937
Area 1.754985665051E+14
Altitude 17434805.242455

Triangular Pyramid

Length = n
Surface area 1.754985665051E+14
Volume 9.6159712876806E+20
Height 9490305.9130701