21991330 (number)

21991330 is an even 8-digits composite number following 21991329 and preceding 21991331. In scientific notation, it is written as 2.1991330 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8796528 positive integers (up to 21991330) that are relatively prime to 21991330.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-one thousand three hundred thirty

Notation

Scientific notation 2.1991330 × 10^7
Engineering notation 2.1991330 × 10^6

Prime Factorization of 21991330

Prime Factorization 2 × 5 × 2199133

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21991330
Product of the distinct prime numbers

The prime factorization of 21991330 is 2 × 5 × 2199133. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21991330)

Multiplication

n×y
n×2 43982660
n×3 65973990
n×4 87965320
n×5 109956650

Division

n÷y
n÷2 10995665
n÷3 7330443.3333333
n÷3 5497832.5
n÷5 4398266

Exponentiation

ny
n2 483618595168900
n3 1.0635416120496E+22
n4 2.3388694559314E+29
n5 5.1434850032308E+36

Nth Root

y√n
2√n 4689.4914436429
3√n 280.1671196216
4√n 68.479861591879
5√n 29.406971395981

Divisors of 21991330

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21991329
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21991330 can be divided by 8 positive divisors. The sum of these divisors (counting 21991330) is 1, the average is 0.125.

Base conversion 21991330

Base System Value
2 Binary 1010011111000111110100010
3 Ternary 1112101021102201
4 Quaternary 1103320332202
5 Quinary 21112210310
6 Senary 2103203414
8 Octal 123707642
10 Decimal 21991330
12 Duodecimal 744656a
16 Hexadecimal 14f8fa2
20 Vigesimal 6h8i6a
36 Base36 d3cma

Cryptographic Hash Functions

md5 4f861d2d1e7a65529bfec4a7b0bac0c0
sha1 352e7f02f99debdd05b4ef88740b766124aed371
sha256 9d8317e3f94d25f0c3cc62a71e803578a2927678f7deea4097edf692d33ae6d6
sha512 9935f2ef9c4b6b2f303a31b6a183a9082c037819be30bb348844b94150db7b713005a020bd1af43ae2f6bb128de1b650f71d040e199eb511b56a4794e073af38
ripemd-160 7464b67b85aa46ebb4be2acc1be7a3e1210f1af7

21991330 as geometric shapes

Circle

Radius = n
Diameter 43982660
Circumference 138175601.54134
Area 1.519332625722E+15

Sphere

Radius = n
Volume 4.454952686936E+22
Surface area 6.0773305028881E+15
Circumference 138175601.54134

Square

Length = n
Perimeter 87965320
Area 483618595168900
Diagonal 31100437.140622

Cube

Length = n
Surface area 2901711571013400
Volume 1.0635416120496E+22
Space diagonal 38090100.886014

Equilateral Triangle

Length = n
Perimeter 65973990
Area 2.094129945794E+14
Altitude 19045050.443007

Triangular Pyramid

Length = n
Surface area 2.094129945794E+14
Volume 1.2533958099239E+21
Height 10366812.380207