20387631 (number)

20387631 is an odd 8-digits composite number following 20387630 and preceding 20387632. In scientific notation, it is written as 2.0387631 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12170400 positive integers (up to 20387631) that are relatively prime to 20387631.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-seven thousand six hundred thirty-one

Notation

Scientific notation 2.0387631 × 10^7
Engineering notation 2.0387631 × 10^6

Prime Factorization of 20387631

Prime Factorization 3 × 11 × 67 × 9221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20387631
Product of the distinct prime numbers

The prime factorization of 20387631 is 3 × 11 × 67 × 9221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 71, 47, 391, 259, 1353, 6843, 7083, 42940, 331635, 802693, 7320591, 8787146, 7906744, 50855405, 95528398, 595421372, 3946531030, 8056767685

Basic calculations (n = 20387631)

Multiplication

n×y
n×2 40775262
n×3 61162893
n×4 81550524
n×5 101938155

Division

n÷y
n÷2 10193815.5
n÷3 6795877
n÷3 5096907.75
n÷5 4077526.2

Exponentiation

ny
n2 415655497792161
n3 8.4742309121079E+21
n4 1.7276949284485E+29
n5 3.5223606681779E+36

Nth Root

y√n
2√n 4515.2664373213
3√n 273.18420661031
4√n 67.195732285029
5√n 28.964988000693

Divisors of 20387631

1, 3, 11, 33, 67, 201, 737, 2211, 9221, 27663, 101431, 304293, 617807, 1853421, 6795877, 20387631

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 -20387630
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 20387631 can be divided by 16 positive divisors. The sum of these divisors (counting 20387631) is 1, the average is 0.0625.

Base conversion 20387631

Base System Value
2 Binary 1001101110001011100101111
3 Ternary 1102100210120110
4 Quaternary 1031301130233
5 Quinary 20204401011
6 Senary 2004551103
8 Octal 115613457
10 Decimal 20387631
12 Duodecimal 69b2493
16 Hexadecimal 137172f
20 Vigesimal 67891b
36 Base36 c4z73

Cryptographic Hash Functions

md5 d15968840b5db73e9036c40352a5cf17
sha1 612e37182327745d249de7e0cfd66a163d204e9d
sha256 3e5e9572f3e870e1c67cc5495726e29cc83ab963a4c7f00b96105750f531acbe
sha512 3dc0b51e8b68450144d61d32b029aba49fd496f176bbbea852797df99b3f3e0d924ce2eef5fbc6bf49aa503bf1b442a319d7e9b2f9d3a43011ddafd933703af8
ripemd-160 0d34e032126750dd4dec786b140ecb93dd419058

20387631 as geometric shapes

Circle

Radius = n
Diameter 40775262
Circumference 128099263.5474
Area 1.3058202582881E+15

Sphere

Radius = n
Volume 3.5496775437736E+22
Surface area 5.2232810331522E+15
Circumference 128099263.5474

Square

Length = n
Perimeter 81550524
Area 415655497792161
Diagonal 28832464.264858

Cube

Length = n
Surface area 2493932986752966
Volume 8.4742309121079E+21
Space diagonal 35312412.737966

Equilateral Triangle

Length = n
Perimeter 61162893
Area 1.7998411015534E+14
Altitude 17656206.368983

Triangular Pyramid

Length = n
Surface area 1.7998411015534E+14
Volume 9.9869769054869E+20
Height 9610821.4216194