20150421 (number)

20150421 is an odd 8-digits composite number following 20150420 and preceding 20150422. In scientific notation, it is written as 2.0150421 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 13423200 positive integers (up to 20150421) that are relatively prime to 20150421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0150421 × 10^7
Engineering notation 2.0150421 × 10^6

Prime Factorization of 20150421

Prime Factorization 3 × 2351 × 2857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20150421
Product of the distinct prime numbers

The prime factorization of 20150421 is 3 × 2351 × 2857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20150421)

Multiplication

n×y
n×2 40300842
n×3 60451263
n×4 80601684
n×5 100752105

Division

n÷y
n÷2 10075210.5
n÷3 6716807
n÷3 5037605.25
n÷5 4030084.2

Exponentiation

ny
n2 406039466477241
n3 8.1818661921318E+21
n4 1.6486804833712E+29
n5 3.3221605834414E+36

Nth Root

y√n
2√n 4488.9220309558
3√n 272.12057172548
4√n 66.999418138934
5√n 28.89727060393

Divisors of 20150421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20150420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20150421 can be divided by 8 positive divisors. The sum of these divisors (counting 20150421) is 1, the average is 0.125.

Base conversion 20150421

Base System Value
2 Binary 1001100110111100010010101
3 Ternary 1101220202011220
4 Quaternary 1030313202111
5 Quinary 20124303141
6 Senary 1555520553
8 Octal 114674225
10 Decimal 20150421
12 Duodecimal 68b9159
16 Hexadecimal 1337895
20 Vigesimal 65ig11
36 Base36 bzw5x

Cryptographic Hash Functions

md5 ac7e31fb2b5c5cde85d64d7d58e6bda5
sha1 d28ad4063cfe1f2f93b35a6d98d56f9b775fb112
sha256 ac7c645447acd3be92718a3f2dae840fc3b26d255f0ac899d7b1dde03aaf300d
sha512 6643999790bbb64d82a7363cf3334b69157d4659ec43191aea5f16a970303fad9839d749b268f884aed373805023b22e392b19125412cec2b4684768f23fe2e0
ripemd-160 d5cec18c88b6d4454c4da6db80fec8f096cc5b9d

20150421 as geometric shapes

Circle

Radius = n
Diameter 40300842
Circumference 126608829.16068
Area 1.2756106049524E+15

Sphere

Radius = n
Volume 3.4272120962475E+22
Surface area 5.1024424198097E+15
Circumference 126608829.16068

Square

Length = n
Perimeter 80601684
Area 406039466477241
Diagonal 28496998.665728

Cube

Length = n
Surface area 2436236798863446
Volume 8.1818661921318E+21
Space diagonal 34901552.965903

Equilateral Triangle

Length = n
Perimeter 60451263
Area 1.7582024645419E+14
Altitude 17450776.482951

Triangular Pyramid

Length = n
Surface area 1.7582024645419E+14
Volume 9.6424217786956E+20
Height 9498999.5552425