21490828 (number)

21490828 is an even 8-digits composite number following 21490827 and preceding 21490829. In scientific notation, it is written as 2.1490828 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10735920 positive integers (up to 21490828) that are relatively prime to 21490828.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred twenty-eight

Notation

Scientific notation 2.1490828 × 10^7
Engineering notation 2.1490828 × 10^6

Prime Factorization of 21490828

Prime Factorization 2 × 2 × 2887 × 1861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10745414
Product of the distinct prime numbers

The prime factorization of 21490828 is 2 × 2 × 2887 × 1861. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 32, 52, 967, 777, 4782, 2555, 14618, 99984, 928432, 857554, 4343064, 7692874, 32325956, 11314236, 2339251, 262024006, 9677481799, 7857414762

Basic calculations (n = 21490828)

Multiplication

n×y
n×2 42981656
n×3 64472484
n×4 85963312
n×5 107454140

Division

n÷y
n÷2 10745414
n÷3 7163609.3333333
n÷3 5372707
n÷5 4298165.6

Exponentiation

ny
n2 461855688125584
n3 9.9256611543286E+21
n4 2.1331067665396E+29
n5 4.5842230625338E+36

Nth Root

y√n
2√n 4635.820100047
3√n 278.02534144367
4√n 68.086857028703
5√n 29.271880914958

Divisors of 21490828

1, 2, 4, 1861, 2887, 3722, 5774, 7444, 11548, 5372707, 10745414, 21490828

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490827
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490828 can be divided by 12 positive divisors. The sum of these divisors (counting 21490828) is 1, the average is 0.083333333333333.

Base conversion 21490828

Base System Value
2 Binary 1010001111110110010001100
3 Ternary 1111102211212121
4 Quaternary 1101332302030
5 Quinary 21000201303
6 Senary 2044342324
8 Octal 121766214
10 Decimal 21490828
12 Duodecimal 72449a4
16 Hexadecimal 147ec8c
20 Vigesimal 6e6718
36 Base36 csmfg

Cryptographic Hash Functions

md5 fc8b321ab4c0c0fb1cf290a99cafdca8
sha1 3eba617bfb239ed4cf9dccfb7d8379efa6833b68
sha256 a580cfc6e0969dbc3fc1aee2c6ff498ee128904147389f31c5b9295eaf41b185
sha512 bf7798e747fa69fec01f9ccbe6b74b50d1c089873ba08aa59a26637b9cbdef71fb89e759c867583e0b5fb8a55167631edc2a20078b2daf815ab0167b86ad17da
ripemd-160 ab456183a20515ec534098ea0121b2ebd362636c

21490828 as geometric shapes

Circle

Radius = n
Diameter 42981656
Circumference 135030854.72872
Area 1.450962436834E+15

Sphere

Radius = n
Volume 4.157651221928E+22
Surface area 5.803849747336E+15
Circumference 135030854.72872

Square

Length = n
Perimeter 85963312
Area 461855688125584
Diagonal 30392620.424227

Cube

Length = n
Surface area 2771134128753504
Volume 9.9256611543286E+21
Space diagonal 37223205.992724

Equilateral Triangle

Length = n
Perimeter 64472484
Area 1.9998937939955E+14
Altitude 18611602.996362

Triangular Pyramid

Length = n
Surface area 1.9998937939955E+14
Volume 1.1697503849976E+21
Height 10130873.474742