20451431 (number)

20451431 is an odd 8-digits composite number following 20451430 and preceding 20451432. In scientific notation, it is written as 2.0451431 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 14709600 positive integers (up to 20451431) that are relatively prime to 20451431.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand four hundred thirty-one

Notation

Scientific notation 2.0451431 × 10^7
Engineering notation 2.0451431 × 10^6

Prime Factorization of 20451431

Prime Factorization 7 × 13 × 11 × 20431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20451431
Product of the distinct prime numbers

The prime factorization of 20451431 is 7 × 13 × 11 × 20431. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 50, 78, 775, 368, 5628, 8219, 64571, 84683, 19507, 589041, 7311086, 7104236, 61694384, 75018638, 932704412, 822400868, 937775346, 8797648452

Basic calculations (n = 20451431)

Multiplication

n×y
n×2 40902862
n×3 61354293
n×4 81805724
n×5 102257155

Division

n÷y
n÷2 10225715.5
n÷3 6817143.6666667
n÷3 5112857.75
n÷5 4090286.2

Exponentiation

ny
n2 418261029947761
n3 8.5540365939656E+21
n4 1.7494228917296E+29
n5 3.5778201560029E+36

Nth Root

y√n
2√n 4522.3258396538
3√n 273.46887272795
4√n 67.248240420503
5√n 28.983093658934

Divisors of 20451431

1, 7, 11, 13, 77, 91, 143, 1001, 20431, 143017, 224741, 265603, 1573187, 1859221, 2921633, 20451431

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 -20451430
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 20451431 can be divided by 16 positive divisors. The sum of these divisors (counting 20451431) is 1, the average is 0.0625.

Base conversion 20451431

Base System Value
2 Binary 1001110000001000001100111
3 Ternary 1102111001002102
4 Quaternary 1032001001213
5 Quinary 20213421211
6 Senary 2010202315
8 Octal 116010147
10 Decimal 20451431
12 Duodecimal 6a2339b
16 Hexadecimal 1381067
20 Vigesimal 67g8bb
36 Base36 c6cfb

Cryptographic Hash Functions

md5 7a92fce90187aba745d557be4842d8d5
sha1 42b7ee9fcfd9f6ce39c4832018e501dda9a9ead0
sha256 192477012ae2e0b3a72d7151beb6271d9dfc5f17d0f1ee59b66b84b273d0d340
sha512 f72cbbbac2875f203dd73dd99ed8fa717f94a4b572e38cc15c2652c4ba4ba285d46febbc9855f2e678599d4aa441b87c0e80b3e886939e1df7d22395157e20af
ripemd-160 4e090015ddaa6c529217855e82b19af5723cbc56

20451431 as geometric shapes

Circle

Radius = n
Diameter 40902862
Circumference 128500130.77
Area 1.3140057789668E+15

Sphere

Radius = n
Volume 3.5831064696187E+22
Surface area 5.2560231158671E+15
Circumference 128500130.77

Square

Length = n
Perimeter 81805724
Area 418261029947761
Diagonal 28922691.090138

Cube

Length = n
Surface area 2509566179686566
Volume 8.5540365939656E+21
Space diagonal 35422917.579489

Equilateral Triangle

Length = n
Perimeter 61354293
Area 1.811123386739E+14
Altitude 17711458.789745

Triangular Pyramid

Length = n
Surface area 1.811123386739E+14
Volume 1.0081028803518E+21
Height 9640897.0300459