21000928 (number)

21000928 is an even 8-digits composite number following 21000927 and preceding 21000929. In scientific notation, it is written as 2.1000928 × 10^7. The sum of its digits is 22. It has a total of 8 prime factors and 48 positive divisors. There are 9179136 positive integers (up to 21000928) that are relatively prime to 21000928.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred twenty-eight

Notation

Scientific notation 2.1000928 × 10^7
Engineering notation 2.1000928 × 10^6

Prime Factorization of 21000928

Prime Factorization 2 × 2 × 2 × 2 × 2 × 13 × 19 × 2657

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1312558
Product of the distinct prime numbers

The prime factorization of 21000928 is 2 × 2 × 2 × 2 × 2 × 13 × 19 × 2657. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 2, 60, 43, 310, 751, 459, 1998, 93990, 30341, 60917, 907061, 616576, 4785599, 79528165, 12995776, 554474848, 151704927, 6581038023, 1436853325

Basic calculations (n = 21000928)

Multiplication

n×y
n×2 42001856
n×3 63002784
n×4 84003712
n×5 105004640

Division

n÷y
n÷2 10500464
n÷3 7000309.3333333
n÷3 5250232
n÷5 4200185.6

Exponentiation

ny
n2 441038976861184
n3 9.2622277982554E+21
n4 1.9451537911076E+29
n5 4.0850034715978E+36

Nth Root

y√n
2√n 4582.6769469383
3√n 275.89648151736
4√n 67.695472130256
5√n 29.137192096213

Divisors of 21000928

1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2657, 3952, 5314, 7904, 10628, 21256, 34541, 42512, 50483, 69082, 85024, 100966, 138164, 201932, 276328, 403864, 552656, 656279, 807728, 1105312, 1312558, 1615456, 2625116, 5250232, 10500464, 21000928

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000927
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000928 can be divided by 48 positive divisors. The sum of these divisors (counting 21000928) is 1, the average is 0.020833333333333.

Base conversion 21000928

Base System Value
2 Binary 1010000000111001011100000
3 Ternary 1110111221212011
4 Quaternary 1100013023200
5 Quinary 20334012203
6 Senary 2030042304
8 Octal 120071340
10 Decimal 21000928
12 Duodecimal 7049394
16 Hexadecimal 14072e0
20 Vigesimal 6b5268
36 Base36 ci4f4

Cryptographic Hash Functions

md5 0c51e0ee5958a20b495ed6415d5fdc87
sha1 2e34db22b64d1d9cf249ec75c8f65ab9900d6728
sha256 7c31a72a6502dc1d3451719569647e5b9335abc12e315606b3fca3200b82b721
sha512 3a878643a05ab4f9f8c87387e99d637b05acc303aea0177dfca38ae4a3eb631af75401363c39d215929b2eb77f4b312a942624bfd96afb66fab083e9c1ce629f
ripemd-160 cfbd3609acc9ba3982738aad0c0e52f67571e0f1

21000928 as geometric shapes

Circle

Radius = n
Diameter 42001856
Circumference 131952722.24674
Area 1.3855648096539E+15

Sphere

Radius = n
Volume 3.8797529075832E+22
Surface area 5.5422592386154E+15
Circumference 131952722.24674

Square

Length = n
Perimeter 84003712
Area 441038976861184
Diagonal 29699797.200021

Cube

Length = n
Surface area 2646233861167104
Volume 9.2622277982554E+21
Space diagonal 36374674.302096

Equilateral Triangle

Length = n
Perimeter 63002784
Area 1.9097547901044E+14
Altitude 18187337.151048

Triangular Pyramid

Length = n
Surface area 1.9097547901044E+14
Volume 1.0915640141735E+21
Height 9899932.400007