20454987 (number)

20454987 is an odd 8-digits composite number following 20454986 and preceding 20454988. In scientific notation, it is written as 2.0454987 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11664000 positive integers (up to 20454987) that are relatively prime to 20454987.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-four thousand nine hundred eighty-seven

Notation

Scientific notation 2.0454987 × 10^7
Engineering notation 2.0454987 × 10^6

Prime Factorization of 20454987

Prime Factorization 3 × 7 × 751 × 1297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20454987
Product of the distinct prime numbers

The prime factorization of 20454987 is 3 × 7 × 751 × 1297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 81, 12, 538, 202, 2974, 4535, 79708, 14319, 682157, 721353, 2636373, 2655164, 18826910, 50638312, 194048137, 381764677, 4470425495, 5856678154

Basic calculations (n = 20454987)

Multiplication

n×y
n×2 40909974
n×3 61364961
n×4 81819948
n×5 102274935

Division

n÷y
n÷2 10227493.5
n÷3 6818329
n÷3 5113746.75
n÷5 4090997.4

Exponentiation

ny
n2 418406493170169
n3 8.5584993785114E+21
n4 1.7506399352696E+29
n5 3.580931711762E+36

Nth Root

y√n
2√n 4522.7189830897
3√n 273.48472164262
4√n 67.251163432982
5√n 28.984101478032

Divisors of 20454987

1, 3, 7, 21, 751, 1297, 2253, 3891, 5257, 9079, 15771, 27237, 974047, 2922141, 6818329, 20454987

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 -20454986
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 20454987 can be divided by 16 positive divisors. The sum of these divisors (counting 20454987) is 1, the average is 0.0625.

Base conversion 20454987

Base System Value
2 Binary 1001110000001111001001011
3 Ternary 1102111012222010
4 Quaternary 1032001321023
5 Quinary 20214024422
6 Senary 2010231003
8 Octal 116017113
10 Decimal 20454987
12 Duodecimal 6a25463
16 Hexadecimal 1381e4b
20 Vigesimal 67gh97
36 Base36 c6f63

Cryptographic Hash Functions

md5 1bd50ed865a2523f8f6a3997bd832d37
sha1 ba125fb3788175213d59d8c42085a5b66d8fed8d
sha256 62f28c94359bff84d8c6714ad3f6e83d2cca625a9883c0f28d2f5f006f38cadc
sha512 3510378143b15662f345470064ea85c467360f345f795876a1c96c7bba24194cb4ca03cbfd6876e1a8145c29d76fe6dd1717b67d135f05342a453730cbca337b
ripemd-160 c7795d8ad1560ba8e45ef73efc5e235fc8dce5d2

20454987 as geometric shapes

Circle

Radius = n
Diameter 40909974
Circumference 128522473.77695
Area 1.3144627651577E+15

Sphere

Radius = n
Volume 3.5849758364379E+22
Surface area 5.2578510606307E+15
Circumference 128522473.77695

Square

Length = n
Perimeter 81819948
Area 418406493170169
Diagonal 28927720.033565

Cube

Length = n
Surface area 2510438959021014
Volume 8.5584993785114E+21
Space diagonal 35429076.752161

Equilateral Triangle

Length = n
Perimeter 61364961
Area 1.8117532609686E+14
Altitude 17714538.37608

Triangular Pyramid

Length = n
Surface area 1.8117532609686E+14
Volume 1.0086288245544E+21
Height 9642573.3445218