21493380 (number)

21493380 is an even 8-digits composite number following 21493379 and preceding 21493381. In scientific notation, it is written as 2.1493380 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 5731552 positive integers (up to 21493380) that are relatively prime to 21493380.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand three hundred eighty

Notation

Scientific notation 2.1493380 × 10^7
Engineering notation 2.1493380 × 10^6

Prime Factorization of 21493380

Prime Factorization 2 × 2 × 15 × 358223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10746690
Product of the distinct prime numbers

The prime factorization of 21493380 is 2 × 2 × 15 × 358223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493380)

Multiplication

n×y
n×2 42986760
n×3 64480140
n×4 85973520
n×5 107466900

Division

n÷y
n÷2 10746690
n÷3 7164460
n÷3 5373345
n÷5 4298676

Exponentiation

ny
n2 461965383824400
n3 9.9291975413837E+21
n4 2.1341201585203E+29
n5 4.5869455532736E+36

Nth Root

y√n
2√n 4636.0953398307
3√n 278.03634602337
4√n 68.088878238892
5√n 29.272576079352

Divisors of 21493380

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 -21493379
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 21493380 can be divided by 12 positive divisors. The sum of these divisors (counting 21493380) is 1, the average is 0.083333333333333.

Base conversion 21493380

Base System Value
2 Binary 1010001111111011010000100
3 Ternary 1111102222101010
4 Quaternary 1101333122010
5 Quinary 21000242010
6 Senary 2044402220
8 Octal 121773204
10 Decimal 21493380
12 Duodecimal 7246370
16 Hexadecimal 147f684
20 Vigesimal 6e6d90
36 Base36 csoec

Cryptographic Hash Functions

md5 ce3bbc1c3be5651dfab95c025390244c
sha1 57dd3e4b54e400bb8c3e1d8d91299ab9ec6c93d9
sha256 b03ae7de33bd2fa54010ff5e9e889cd7694339d2ce5fc80b2d4be54c77d9ab29
sha512 aa483aa49db1c28649704e47cc5c2f777ee1ee97990eeafe3130b0890579525b5bfd05e5eb434df363627d3c9c04d4a2ff9b64bee56b0900abdd7010671b49ac
ripemd-160 4f6a73d854cee730f6ca1a3055355f9e46197020

21493380 as geometric shapes

Circle

Radius = n
Diameter 42986760
Circumference 135046889.41763
Area 1.4513070560355E+15

Sphere

Radius = n
Volume 4.1591325402737E+22
Surface area 5.8052282241421E+15
Circumference 135046889.41763

Square

Length = n
Perimeter 85973520
Area 461965383824400
Diagonal 30396229.497239

Cube

Length = n
Surface area 2771792302946400
Volume 9.9291975413837E+21
Space diagonal 37227626.186385

Equilateral Triangle

Length = n
Perimeter 64480140
Area 2.0003687903048E+14
Altitude 18613813.093192

Triangular Pyramid

Length = n
Surface area 2.0003687903048E+14
Volume 1.1701671522089E+21
Height 10132076.49908