20138979 (number)

20138979 is an odd 8-digits composite number following 20138978 and preceding 20138980. In scientific notation, it is written as 2.0138979 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 11481600 positive integers (up to 20138979) that are relatively prime to 20138979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138979 × 10^7
Engineering notation 2.0138979 × 10^6

Prime Factorization of 20138979

Prime Factorization 21 × 599 × 1601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138979
Product of the distinct prime numbers

The prime factorization of 20138979 is 21 × 599 × 1601. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138979)

Multiplication

n×y
n×2 40277958
n×3 60416937
n×4 80555916
n×5 100694895

Division

n÷y
n÷2 10069489.5
n÷3 6712993
n÷3 5034744.75
n÷5 4027795.8

Exponentiation

ny
n2 405578475162441
n3 8.1679363941484E+21
n4 1.6449389951509E+29
n5 3.3127391879625E+36

Nth Root

y√n
2√n 4487.6473791955
3√n 272.0690559598
4√n 66.989905054385
5√n 28.893988114742

Divisors of 20138979

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 -20138978
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 20138979 can be divided by 8 positive divisors. The sum of these divisors (counting 20138979) is 1, the average is 0.125.

Base conversion 20138979

Base System Value
2 Binary 1001100110100101111100011
3 Ternary 1101220011111010
4 Quaternary 1030310233203
5 Quinary 20123421404
6 Senary 1555352003
8 Octal 114645743
10 Decimal 20138979
12 Duodecimal 68b2603
16 Hexadecimal 1334be3
20 Vigesimal 65h78j
36 Base36 bznc3

Cryptographic Hash Functions

md5 52c0874b4d62aad65edc0ad5accd9ea2
sha1 9a4061c3ff4aacc37cb1dc3c6cfe82e2b59bf964
sha256 3fb5ad97cd766293688d9738f7b31471d49998a2273ca787382c214e1c938674
sha512 348b9c77a38f44fb53192e7b3c602bbfb3b2119934bd732e11a10ffbb8ffcbf72ff7886b9967c8c000d10fb2b5bc6d6423c0832ef5cc60d39b9676d1420f93e2
ripemd-160 718a216abc6f68c5f11c5ec84ea0777b0ae19e67

20138979 as geometric shapes

Circle

Radius = n
Diameter 40277958
Circumference 126536936.9544
Area 1.2741623580245E+15

Sphere

Radius = n
Volume 3.4213771961127E+22
Surface area 5.0966494320979E+15
Circumference 126536936.9544

Square

Length = n
Perimeter 80555916
Area 405578475162441
Diagonal 28480817.234147

Cube

Length = n
Surface area 2433470850974646
Volume 8.1679363941484E+21
Space diagonal 34881734.840563

Equilateral Triangle

Length = n
Perimeter 60416937
Area 1.7562063135941E+14
Altitude 17440867.420281

Triangular Pyramid

Length = n
Surface area 1.7562063135941E+14
Volume 9.6260053543379E+20
Height 9493605.7447157