21520005 (number)

21520005 is an odd 8-digits composite number following 21520004 and preceding 21520006. In scientific notation, it is written as 2.1520005 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 10594368 positive integers (up to 21520005) that are relatively prime to 21520005.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred twenty thousand five

Notation

Scientific notation 2.1520005 × 10^7
Engineering notation 2.1520005 × 10^6

Prime Factorization of 21520005

Prime Factorization 3 × 13 × 5 × 110359

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21520005
Product of the distinct prime numbers

The prime factorization of 21520005 is 3 × 13 × 5 × 110359. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21520005)

Multiplication

n×y
n×2 43040010
n×3 64560015
n×4 86080020
n×5 107600025

Division

n÷y
n÷2 10760002.5
n÷3 7173335
n÷3 5380001.25
n÷5 4304001

Exponentiation

ny
n2 463110615200025
n3 9.9661427546576E+21
n4 2.1447144191095E+29
n5 4.6154265022808E+36

Nth Root

y√n
2√n 4638.9659408105
3√n 278.15110481733
4√n 68.109954784969
5√n 29.279824789791

Divisors of 21520005

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 -21520004
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 21520005 can be divided by 16 positive divisors. The sum of these divisors (counting 21520005) is 1, the average is 0.0625.

Base conversion 21520005

Base System Value
2 Binary 1010010000101111010000101
3 Ternary 1111111022220020
4 Quaternary 1102011322011
5 Quinary 21002120010
6 Senary 2045125353
8 Octal 122057205
10 Decimal 21520005
12 Duodecimal 7259859
16 Hexadecimal 1485e85
20 Vigesimal 6ea005
36 Base36 ct8xx

Cryptographic Hash Functions

md5 080496ea32e95a295cb92fabc3ca1b7e
sha1 649ef243d003648913e51ba724006b638b90957b
sha256 600e77b47e374e6995329ef8f027fe1831ab3f0b2cf7d14a99a9b936d57459f8
sha512 f095ca80eedd8ee8a9c985a32e4b735905b170a86791b7ffbf1a79fe3f52390aeb3f0a52afa521c8f6bd5ad99d74a962138ec266d37c12824b654c3e65c9f210
ripemd-160 9f2939ada6e4d4ee97b43d287c2d29e20c4bc438

21520005 as geometric shapes

Circle

Radius = n
Diameter 43040010
Circumference 135214179.22643
Area 1.4549049065118E+15

Sphere

Radius = n
Volume 4.1746081150213E+22
Surface area 5.8196196260474E+15
Circumference 135214179.22643

Square

Length = n
Perimeter 86080020
Area 463110615200025
Diagonal 30433882.933337

Cube

Length = n
Surface area 2778663691200150
Volume 9.9661427546576E+21
Space diagonal 37273742.039136

Equilateral Triangle

Length = n
Perimeter 64560015
Area 2.0053277876273E+14
Altitude 18636871.019568

Triangular Pyramid

Length = n
Surface area 2.0053277876273E+14
Volume 1.1745211873486E+21
Height 10144627.644446