21492021 (number)

21492021 is an odd 8-digits composite number following 21492020 and preceding 21492022. In scientific notation, it is written as 2.1492021 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 13134960 positive integers (up to 21492021) that are relatively prime to 21492021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492021 × 10^7
Engineering notation 2.1492021 × 10^6

Prime Factorization of 21492021

Prime Factorization 3 × 19 × 31 × 12163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492021
Product of the distinct prime numbers

The prime factorization of 21492021 is 3 × 19 × 31 × 12163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 89, 42, 52, 155, 5952, 9033, 76005, 25867, 627960, 662980, 5411463, 1636799, 33190650, 42229061, 754611926, 56670434, 2729729774, 8467057780

Basic calculations (n = 21492021)

Multiplication

n×y
n×2 42984042
n×3 64476063
n×4 85968084
n×5 107460105

Division

n÷y
n÷2 10746010.5
n÷3 7164007
n÷3 5373005.25
n÷5 4298404.2

Exponentiation

ny
n2 461906966664441
n3 9.9273142275985E+21
n4 2.1335804585315E+29
n5 4.5854956019948E+36

Nth Root

y√n
2√n 4635.9487702087
3√n 278.03048593438
4√n 68.087801919351
5√n 29.272205896188

Divisors of 21492021

1, 3, 19, 31, 57, 93, 589, 1767, 12163, 36489, 231097, 377053, 693291, 1131159, 7164007, 21492021

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492021 can be divided by 16 positive divisors. The sum of these divisors (counting 21492021) is 1, the average is 0.0625.

Base conversion 21492021

Base System Value
2 Binary 1010001111111000100110101
3 Ternary 1111102220111210
4 Quaternary 1101333010311
5 Quinary 21000221041
6 Senary 2044352033
8 Octal 121770465
10 Decimal 21492021
12 Duodecimal 7245619
16 Hexadecimal 147f135
20 Vigesimal 6e6a11
36 Base36 csncl

Cryptographic Hash Functions

md5 4ca15079945e71fc3cb7d44c908bdf9f
sha1 dbfada31ba62a36931acdf2076cb078ff54f7c8e
sha256 296637d9c013263bf17b6e9e66d31369f8a9b03dc77ffbf1bd14a6ecbb8f64cc
sha512 4de6e48d734f561640616f8eda1bbeef6e09265164e5468855731a02ce1a09b5d2cf98542ad8fcae507276eb46294ed75dc3e48d83f52cf221a61111acda806d
ripemd-160 fa8ad08f793d0b4765d9923aeefa7aac045c5127

21492021 as geometric shapes

Circle

Radius = n
Diameter 42984042
Circumference 135038350.5688
Area 1.451123533115E+15

Sphere

Radius = n
Volume 4.1583436596401E+22
Surface area 5.8044941324598E+15
Circumference 135038350.5688

Square

Length = n
Perimeter 85968084
Area 461906966664441
Diagonal 30394307.581007

Cube

Length = n
Surface area 2771441799986646
Volume 9.9273142275985E+21
Space diagonal 37225272.329337

Equilateral Triangle

Length = n
Perimeter 64476063
Area 2.0001158365821E+14
Altitude 18612636.164669

Triangular Pyramid

Length = n
Surface area 2.0001158365821E+14
Volume 1.1699452015508E+21
Height 10131435.860336