Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21909428 (number)

21909428 is an even 8-digits composite number following 21909427 and preceding 21909429. In scientific notation, it is written as 2.1909428 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10944192 positive integers (up to 21909428) that are relatively prime to 21909428.

Interesting facts

21909428 has 12 divisors, whose sum is 38378340
The reverse of 21909428 is 82490912
Previous prime number is 3833

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.1909428 × 10^7
Engineering notation	2.1909428 × 10^6

Prime Factorization of 21909428

Prime Factorization 2 × 2 × 3833 × 1429

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10954714	Product of the distinct prime numbers

The prime factorization of 21909428 is 2 × 2 × 3833 × 1429. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 48, 9, 777, 797, 1545, 8571, 26403, 75190, 244477, 118010, 3487289, 8299188, 32592396, 29322729, 52582321, 652506622, 3925015035, 7139174742

Basic calculations (n = 21909428)

Multiplication

n×y

n×2	43818856
n×3	65728284
n×4	87637712
n×5	109547140

Division

n÷y

n÷2	10954714
n÷3	7303142.6666667
n÷3	5477357
n÷5	4381885.6

Exponentiation

n^y

n²	480023035287184
n³	1.0517030129966E+22
n⁴	2.3042211440632E+29
n⁵	5.0484167251931E+36

Nth Root

^y√n

²√n	4680.7507944773
³√n	279.81887946444
⁴√n	68.416012705194
⁵√n	29.385034698459

Divisors of 21909428

1, 2, 4, 1429, 2858, 3833, 5716, 7666, 15332, 5477357, 10954714, 21909428

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	-21909427	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 21909428 can be divided by 12 positive divisors. The sum of these divisors (counting 21909428) is 1, the average is 0.083333333333333.

Base conversion 21909428

Base	System	Value
2	Binary	1010011100100111110110100
3	Ternary	1112020010002022
4	Quaternary	1103210332310
5	Quinary	21102100203
6	Senary	2101332312
8	Octal	123447664
10	Decimal	21909428
12	Duodecimal	7407098
16	Hexadecimal	14e4fb4
20	Vigesimal	6gidb8
36	Base36	d1lf8

Cryptographic Hash Functions

md5	b540e8220d571dac94ddcdf0b02308fb
sha1	21b1546aeb176e27a38aaa555ab278c6042c1da2
sha256	41142f718a5f2bbb381c73a05dcae4146b84af8ef4317d79e757cf490b1239f9
sha512	ec7f4ed36ab94f63d192e151556ec7b27bc4acc9a5580da5fd0d091e098ea5d251190ed81b6b46091293ef27a31df9733e7048a53fc9f00706b075499b838804
ripemd-160	0a40d4ddab8c14eca213ad91d9a76e8337a1b925

21909428 as geometric shapes

Circle

Radius = n

Diameter	43818856
Circumference	137660996.09831
Area	1.5080368412121E+15

Sphere

Radius = n

Volume	4.4053632791845E+22
Surface area	6.0321473648484E+15
Circumference	137660996.09831

Square

Length = n

Perimeter	87637712
Area	480023035287184
Diagonal	30984610.221437

Cube

Length = n

Surface area	2880138211723104
Volume	1.0517030129966E+22
Space diagonal	37948242.460772

Equilateral Triangle

Length = n

Perimeter	65728284
Area	2.0785607148021E+14
Altitude	18974121.230386

Triangular Pyramid

Length = n

Surface area	2.0785607148021E+14
Volume	1.2394438871404E+21
Height	10328203.407146