21000456 (number)

21000456 is an even 8-digits composite number following 21000455 and preceding 21000457. In scientific notation, it is written as 2.1000456 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors. There are 6945792 positive integers (up to 21000456) that are relatively prime to 21000456.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-six

Notation

Scientific notation 2.1000456 × 10^7
Engineering notation 2.1000456 × 10^6

Prime Factorization of 21000456

Prime Factorization 2 × 2 × 2 × 9 × 2129 × 137

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5250114
Product of the distinct prime numbers

The prime factorization of 21000456 is 2 × 2 × 2 × 9 × 2129 × 137. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 7, 21, 73, 360, 428, 7865, 4685, 71461, 22829, 569779, 370974, 1513436, 7729945, 64555159, 10674231, 118445912, 186253019, 6591207456, 263842471

Basic calculations (n = 21000456)

Multiplication

n×y
n×2 42000912
n×3 63001368
n×4 84001824
n×5 105002280

Division

n÷y
n÷2 10500228
n÷3 7000152
n÷3 5250114
n÷5 4200091.2

Exponentiation

ny
n2 441019152207936
n3 9.2616033011001E+21
n4 1.9449789261421E+29
n5 4.0845444359374E+36

Nth Root

y√n
2√n 4582.6254483647
3√n 275.89441455925
4√n 67.695091759778
5√n 29.137061122207

Divisors of 21000456

1, 2, 4, 8, 9, 18, 36, 72, 137, 274, 548, 1096, 1233, 2129, 2466, 4258, 4932, 8516, 9864, 17032, 19161, 38322, 76644, 153288, 291673, 583346, 1166692, 2333384, 2625057, 5250114, 10500228, 21000456

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000455
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000456 can be divided by 32 positive divisors. The sum of these divisors (counting 21000456) is 1, the average is 0.03125.

Base conversion 21000456

Base System Value
2 Binary 1010000000111000100001000
3 Ternary 1110111221012200
4 Quaternary 1100013010020
5 Quinary 20334003311
6 Senary 2030040200
8 Octal 120070410
10 Decimal 21000456
12 Duodecimal 7049060
16 Hexadecimal 1407108
20 Vigesimal 6b512g
36 Base36 ci420

Cryptographic Hash Functions

md5 ce2e0d0d29268fa5a0efb111a1a67ead
sha1 6b7630e5e196c61d89847e78d82c9df346635c3b
sha256 8a5bf3d9884902cfd7c481bfe9ed3feb8b341ae088a57ec470ed849ae2c04e21
sha512 b38843166af93539904ecb40ec6787552ed21b49173adf61cbf6449af76d64b97c3131680f6be00e39e727afff797a3b784aa7776830f0388e8cafb54a2533e8
ripemd-160 d06cd6acea8116a043674e9b4c3658bf33bd25f5

21000456 as geometric shapes

Circle

Radius = n
Diameter 42000912
Circumference 131949756.58327
Area 1.3855025286689E+15

Sphere

Radius = n
Volume 3.8794913188265E+22
Surface area 5.5420101146754E+15
Circumference 131949756.58327

Square

Length = n
Perimeter 84001824
Area 441019152207936
Diagonal 29699129.691219

Cube

Length = n
Surface area 2646114913247616
Volume 9.2616033011001E+21
Space diagonal 36373856.774115

Equilateral Triangle

Length = n
Perimeter 63001368
Area 1.9096689468377E+14
Altitude 18186928.387057

Triangular Pyramid

Length = n
Surface area 1.9096689468377E+14
Volume 1.0914904164779E+21
Height 9899709.8970731