20457921 (number)

20457921 is an odd 8-digits composite number following 20457920 and preceding 20457922. In scientific notation, it is written as 2.0457921 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12339600 positive integers (up to 20457921) that are relatively prime to 20457921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0457921 × 10^7
Engineering notation 2.0457921 × 10^6

Prime Factorization of 20457921

Prime Factorization 3 × 11 × 227 × 2731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20457921
Product of the distinct prime numbers

The prime factorization of 20457921 is 3 × 11 × 227 × 2731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 82, 14, 213, 807, 9915, 7019, 12503, 48291, 851495, 752534, 7496623, 4180799, 30740941, 7308020, 653007751, 634948142, 705273224, 9233330877

Basic calculations (n = 20457921)

Multiplication

n×y
n×2 40915842
n×3 61373763
n×4 81831684
n×5 102289605

Division

n÷y
n÷2 10228960.5
n÷3 6819307
n÷3 5114480.25
n÷5 4091584.2

Exponentiation

ny
n2 418526531642241
n3 8.562182720741E+21
n4 1.7516445768848E+29
n5 3.5835006373988E+36

Nth Root

y√n
2√n 4523.0433338627
3√n 273.49779695137
4√n 67.25357487794
5√n 28.984932908284

Divisors of 20457921

1, 3, 11, 33, 227, 681, 2497, 2731, 7491, 8193, 30041, 90123, 619937, 1859811, 6819307, 20457921

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 -20457920
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 20457921 can be divided by 16 positive divisors. The sum of these divisors (counting 20457921) is 1, the average is 0.0625.

Base conversion 20457921

Base System Value
2 Binary 1001110000010100111000001
3 Ternary 1102111100222210
4 Quaternary 1032002213001
5 Quinary 20214123141
6 Senary 2010252333
8 Octal 116024701
10 Decimal 20457921
12 Duodecimal 6a270a9
16 Hexadecimal 13829c1
20 Vigesimal 67h4g1
36 Base36 c6hfl

Cryptographic Hash Functions

md5 2121e2e346525696d61e12e8bddc9980
sha1 399b238875d1f0e66164f682be5baf638f2a8cb7
sha256 de80dcfb207a6f15903c06dcac4025402cb6488e0097f6e92e1198de900a1dae
sha512 443d9e68099ffc77e069109be4a3f32a162ca5e557f02114675d96121233c2dd43dd6ae550ad01577ddc81f8d9037a51947e2b644b522dabed7f62553a25c78d
ripemd-160 6857666c5a82239158cedd4b739691f7cf6c2408

20457921 as geometric shapes

Circle

Radius = n
Diameter 40915842
Circumference 128540908.64264
Area 1.3148398771397E+15

Sphere

Radius = n
Volume 3.5865187112231E+22
Surface area 5.2593595085587E+15
Circumference 128540908.64264

Square

Length = n
Perimeter 81831684
Area 418526531642241
Diagonal 28931869.336157

Cube

Length = n
Surface area 2511159189853446
Volume 8.562182720741E+21
Space diagonal 35434158.58923

Equilateral Triangle

Length = n
Perimeter 61373763
Area 1.8122730427999E+14
Altitude 17717079.294615

Triangular Pyramid

Length = n
Surface area 1.8122730427999E+14
Volume 1.009062910599E+21
Height 9643956.4453858