20456491 (number)

20456491 is an odd 8-digits composite number following 20456490 and preceding 20456492. In scientific notation, it is written as 2.0456491 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 17354880 positive integers (up to 20456491) that are relatively prime to 20456491.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-six thousand four hundred ninety-one

Notation

Scientific notation 2.0456491 × 10^7
Engineering notation 2.0456491 × 10^6

Prime Factorization of 20456491

Prime Factorization 11 × 17 × 787 × 139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20456491
Product of the distinct prime numbers

The prime factorization of 20456491 is 11 × 17 × 787 × 139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20456491)

Multiplication

n×y
n×2 40912982
n×3 61369473
n×4 81825964
n×5 102282455

Division

n÷y
n÷2 10228245.5
n÷3 6818830.3333333
n÷3 5114122.75
n÷5 4091298.2

Exponentiation

ny
n2 418468024033081
n3 8.5603873674205E+21
n4 1.7511548713815E+29
n5 3.5822483866022E+36

Nth Root

y√n
2√n 4522.885251695
3√n 273.49142434289
4√n 67.252399598044
5√n 28.984527690051

Divisors of 20456491

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 -20456490
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 20456491 can be divided by 16 positive divisors. The sum of these divisors (counting 20456491) is 1, the average is 0.0625.

Base conversion 20456491

Base System Value
2 Binary 1001110000010010000101011
3 Ternary 1102111022000211
4 Quaternary 1032002100223
5 Quinary 20214101431
6 Senary 2010241551
8 Octal 116022053
10 Decimal 20456491
12 Duodecimal 6a262b7
16 Hexadecimal 138242b
20 Vigesimal 67h14b
36 Base36 c6gbv

Cryptographic Hash Functions

md5 5b61fa4709695dfef1d499e3da1075df
sha1 717e8622cd7aeceaab0ae4ad041c94605aff789e
sha256 f26cf31729c77a46e6b0d990c7dbb2392bae73cea4eb5f8d032eac42db9bc03d
sha512 22dd6b830e77de1f639ba0aff9054d7f259ea3f0bd6e24ec13183c9ef26fdd47c046590e650adafb09b1eaf3c9836b5083a23620c12142fc6d9f89fa64ca2010
ripemd-160 ec0e7d54456bc3776ccdfb465af34ab1744f14d0

20456491 as geometric shapes

Circle

Radius = n
Diameter 40912982
Circumference 128531923.68765
Area 1.3146560700646E+15

Sphere

Radius = n
Volume 3.5857666753828E+22
Surface area 5.2586242802583E+15
Circumference 128531923.68765

Square

Length = n
Perimeter 81825964
Area 418468024033081
Diagonal 28929847.010763

Cube

Length = n
Surface area 2510808144198486
Volume 8.5603873674205E+21
Space diagonal 35431681.756575

Equilateral Triangle

Length = n
Perimeter 61369473
Area 1.8120196974206E+14
Altitude 17715840.878288

Triangular Pyramid

Length = n
Surface area 1.8120196974206E+14
Volume 1.0088513261811E+21
Height 9643282.3369211