21031520 (number)

21031520 is an even 8-digits composite number following 21031519 and preceding 21031521. In scientific notation, it is written as 2.1031520 × 10^7. The sum of its digits is 14. It has a total of 7 prime factors and 24 positive divisors. There are 8412544 positive integers (up to 21031520) that are relatively prime to 21031520.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand five hundred twenty

Notation

Scientific notation 2.1031520 × 10^7
Engineering notation 2.1031520 × 10^6

Prime Factorization of 21031520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 131447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1314470
Product of the distinct prime numbers

The prime factorization of 21031520 is 2 × 2 × 2 × 2 × 2 × 5 × 131447. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 4, 36, 25, 229, 834, 95, 1989, 71751, 9546, 830052, 622702, 8419186, 8611641, 55816422, 76739034, 720425295, 397937560, 3889920669, 8936050410

Basic calculations (n = 21031520)

Multiplication

n×y
n×2 42063040
n×3 63094560
n×4 84126080
n×5 105157600

Division

n÷y
n÷2 10515760
n÷3 7010506.6666667
n÷3 5257880
n÷5 4206304

Exponentiation

ny
n2 442324833510400
n3 9.3027635824706E+21
n4 1.9565125834E+29
n5 4.1148433528029E+36

Nth Root

y√n
2√n 4586.013519387
3√n 276.03038242864
4√n 67.720111631531
5√n 29.145675969444

Divisors of 21031520

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 131447, 262894, 525788, 657235, 1051576, 1314470, 2103152, 2628940, 4206304, 5257880, 10515760, 21031520

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031520 can be divided by 24 positive divisors. The sum of these divisors (counting 21031520) is 1, the average is 0.041666666666667.

Base conversion 21031520

Base System Value
2 Binary 1010000001110101001100000
3 Ternary 1110120111211012
4 Quaternary 1100032221200
5 Quinary 20341002040
6 Senary 2030440052
8 Octal 120165140
10 Decimal 21031520
12 Duodecimal 7063028
16 Hexadecimal 140ea60
20 Vigesimal 6b8ig0
36 Base36 cis0w

Cryptographic Hash Functions

md5 9b6eb9e24c4ab4294cb289a6c5ef3e7f
sha1 90de838b3389c398ca4998ddc60a549f413c2b18
sha256 6170bbf749f0678775948d7454d093a58ec36f9af9882ddd8f224d2d63c54a5a
sha512 69948ad2f5b91de042266e8967edba5c0a0010729f18ba53970eb78cfbb87bd44674bccd51f81d92e3a8e89e94074ff0496560610ca9cac7d82bd54e1f5cb839
ripemd-160 357589c48cc04f4dc19df2a16ae281c7d8707aaf

21031520 as geometric shapes

Circle

Radius = n
Diameter 42063040
Circumference 132144937.45165
Area 1.3896044474566E+15

Sphere

Radius = n
Volume 3.8967324971697E+22
Surface area 5.5584177898264E+15
Circumference 132144937.45165

Square

Length = n
Perimeter 84126080
Area 442324833510400
Diagonal 29743060.821321

Cube

Length = n
Surface area 2653949001062400
Volume 9.3027635824706E+21
Space diagonal 36427661.200401

Equilateral Triangle

Length = n
Perimeter 63094560
Area 1.9153227127236E+14
Altitude 18213830.6002

Triangular Pyramid

Length = n
Surface area 1.9153227127236E+14
Volume 1.0963412021567E+21
Height 9914353.607107