20512641 (number)

20512641 is an odd 8-digits composite number following 20512640 and preceding 20512642. In scientific notation, it is written as 2.0512641 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13652480 positive integers (up to 20512641) that are relatively prime to 20512641.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand six hundred forty-one

Notation

Scientific notation 2.0512641 × 10^7
Engineering notation 2.0512641 × 10^6

Prime Factorization of 20512641

Prime Factorization 3 × 641 × 10667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20512641
Product of the distinct prime numbers

The prime factorization of 20512641 is 3 × 641 × 10667. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512641)

Multiplication

n×y
n×2 41025282
n×3 61537923
n×4 82050564
n×5 102563205

Division

n÷y
n÷2 10256320.5
n÷3 6837547
n÷3 5128160.25
n÷5 4102528.2

Exponentiation

ny
n2 420768440794881
n3 8.6310719701551E+21
n4 1.7704608076896E+29
n5 3.6316826952706E+36

Nth Root

y√n
2√n 4529.0883188562
3√n 273.74142672427
4√n 67.298501609295
5√n 29.000421885104

Divisors of 20512641

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 -20512640
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 20512641 can be divided by 8 positive divisors. The sum of these divisors (counting 20512641) is 1, the average is 0.125.

Base conversion 20512641

Base System Value
2 Binary 1001110001111111110000001
3 Ternary 1102121011001110
4 Quaternary 1032033332001
5 Quinary 20222401031
6 Senary 2011353533
8 Octal 116177601
10 Decimal 20512641
12 Duodecimal 6a528a9
16 Hexadecimal 138ff81
20 Vigesimal 6841c1
36 Base36 c7nnl

Cryptographic Hash Functions

md5 30293a860c3ec39be216d965f562c079
sha1 6731146512d750f8237a588ec3c1e0ddd84b4394
sha256 dac9acd4edf4c2d277749f7bf9d3497ab241b5f52fc97e691fddcd3f5e958d48
sha512 3e9cfaea5eb58156ea5e6bf921d5a6b98d0fc79b4632316a9f86d07ba40467d619d74ac8b9353c56256e44c5f14639b656e9acc13716458e5e96beaec10b3dfc
ripemd-160 85d1b3718719492f1bebe77536ae6eabb832fa4d

20512641 as geometric shapes

Circle

Radius = n
Diameter 41025282
Circumference 128884724.54265
Area 1.3218830424636E+15

Sphere

Radius = n
Volume 3.6153749725392E+22
Surface area 5.2875321698545E+15
Circumference 128884724.54265

Square

Length = n
Perimeter 82050564
Area 420768440794881
Diagonal 29009255.10229

Cube

Length = n
Surface area 2524610644769286
Volume 8.6310719701551E+21
Space diagonal 35528936.40942

Equilateral Triangle

Length = n
Perimeter 61537923
Area 1.8219807941957E+14
Altitude 17764468.20471

Triangular Pyramid

Length = n
Surface area 1.8219807941957E+14
Volume 1.017181586501E+21
Height 9669751.7007635