21492028 (number)

21492028 is an even 8-digits composite number following 21492027 and preceding 21492029. In scientific notation, it is written as 2.1492028 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10278752 positive integers (up to 21492028) that are relatively prime to 21492028.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492028 × 10^7
Engineering notation 2.1492028 × 10^6

Prime Factorization of 21492028

Prime Factorization 2 × 2 × 23 × 233609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10746014
Product of the distinct prime numbers

The prime factorization of 21492028 is 2 × 2 × 23 × 233609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492028)

Multiplication

n×y
n×2 42984056
n×3 64476084
n×4 85968112
n×5 107460140

Division

n÷y
n÷2 10746014
n÷3 7164009.3333333
n÷3 5373007
n÷5 4298405.6

Exponentiation

ny
n2 461907267552784
n3 9.9273239276479E+21
n4 2.1335832381808E+29
n5 4.5855030695312E+36

Nth Root

y√n
2√n 4635.9495251782
3√n 278.03051611943
4√n 68.087807463438
5√n 29.272207802992

Divisors of 21492028

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 -21492027
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 21492028 can be divided by 12 positive divisors. The sum of these divisors (counting 21492028) is 1, the average is 0.083333333333333.

Base conversion 21492028

Base System Value
2 Binary 1010001111111000100111100
3 Ternary 1111102220112001
4 Quaternary 1101333010330
5 Quinary 21000221103
6 Senary 2044352044
8 Octal 121770474
10 Decimal 21492028
12 Duodecimal 7245624
16 Hexadecimal 147f13c
20 Vigesimal 6e6a18
36 Base36 csncs

Cryptographic Hash Functions

md5 53db9aff10bf7d324a8a9e1549f103a8
sha1 236b5dcc3e9404c27d24144469c6897bfdcb2d71
sha256 af113e2b2f7599f23747380e5e9d92dcdeca48a7cc1f2738aac2c481b97bc0a3
sha512 3a1877954e40d26af286d02e4884c47e270a0626b702dee0cc62851bcf95453e788db6b48dedac2760094638cd40f4d0f856617b487b3a886ecf0f71c5b10eb8
ripemd-160 2f3ec56d9e9cf92a3b4a27509f6590472c9e4751

21492028 as geometric shapes

Circle

Radius = n
Diameter 42984056
Circumference 135038394.55109
Area 1.4511244783836E+15

Sphere

Radius = n
Volume 4.1583477227873E+22
Surface area 5.8044979135342E+15
Circumference 135038394.55109

Square

Length = n
Perimeter 85968112
Area 461907267552784
Diagonal 30394317.480502

Cube

Length = n
Surface area 2771443605316704
Volume 9.9273239276479E+21
Space diagonal 37225284.453693

Equilateral Triangle

Length = n
Perimeter 64476084
Area 2.0001171394668E+14
Altitude 18612642.226846

Triangular Pyramid

Length = n
Surface area 2.0001171394668E+14
Volume 1.1699463447126E+21
Height 10131439.160167