21491940, twenty-one million four hundred ninety-one thousand nine hundred forty: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

21491940 has 48 divisors, whose sum is 60540480
The reverse of 21491940 is 04919412
Previous prime number is 181

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million four hundred ninety-one thousand nine hundred forty

Notation

Scientific notation	2.1491940 × 10^7
Engineering notation	2.1491940 × 10^6

Prime Factorization of 21491940

Prime Factorization 2 × 2 × 3 × 5 × 181 × 1979

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	10745970	Product of the distinct prime numbers

The prime factorization of 21491940 is 2 × 2 × 3 × 5 × 181 × 1979. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 10, 97, 91, 873, 269, 1046, 8482, 54377, 94970, 400945, 904769, 642501, 1793762, 39171965, 57600692, 535903303, 275704719, 4543200279, 6151971307

Basic calculations (n = 21491940)

Multiplication

n×y

n×2	42983880
n×3	64475820
n×4	85967760
n×5	107459700

Division

n÷y

n÷2	10745970
n÷3	7163980
n÷3	5372985
n÷5	4298388

Exponentiation

n^y

n²	461903484963600
n³	9.9272019846286E+21
n⁴	2.1335482942152E+29
n⁵	4.5854091926375E+36

Nth Root

^y√n

²√n	4635.9400341247
³√n	278.03013664976
⁴√n	68.087737766243
⁵√n	29.272183831699

Divisors of 21491940

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 1979, 2172, 2715, 3620, 3958, 5430, 5937, 7916, 9895, 10860, 11874, 19790, 23748, 29685, 39580, 59370, 118740, 358199, 716398, 1074597, 1432796, 1790995, 2149194, 3581990, 4298388, 5372985, 7163980, 10745970, 21491940

48 divisors

τ	Total Divisors	48	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491939	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.020833333333333	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	48	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491940 can be divided by 48 positive divisors. The sum of these divisors (counting 21491940) is 1, the average is 0.020833333333333.

Base conversion 21491940

Base	System	Value
2	Binary	1010001111111000011100100
3	Ternary	1111102220101210
4	Quaternary	1101333003210
5	Quinary	21000220230
6	Senary	2044351420
8	Octal	121770344
10	Decimal	21491940
12	Duodecimal	7245570
16	Hexadecimal	147f0e4
20	Vigesimal	6e69h0
36	Base36	csnac

Cryptographic Hash Functions

md5	5adbb386b433a125b116e3564dac0fc2
sha1	ed78889c47274de9f117397e077bb5aa8e34e6dc
sha256	bbb826c975af391de81f0856613a5716d5ceefdbc8c44e251b6b94632c87410e
sha512	bb22b8663a99698f86a0e24684033b4c9350d93cad9417e09ff537b6f4235e3ef83986537de9b1f825a95e7d44577b85698b96d662f27b81f64b3bf50fa8098e
ripemd-160	e9aa9717a9da324a3294e773c2a0eaf33bde4500

21491940 as geometric shapes

Circle

Radius = n

Diameter	42983880
Circumference	135037841.63079
Area	1.4511125950292E+15

Sphere

Radius = n

Volume	4.1582966434148E+22
Surface area	5.8044503801167E+15
Circumference	135037841.63079

Square

Length = n

Perimeter	85967760
Area	461903484963600
Diagonal	30394193.029709

Cube

Length = n

Surface area	2771420909781600
Volume	9.9272019846286E+21
Space diagonal	37225132.033222

Equilateral Triangle

Length = n

Perimeter	64475820
Area	2.0001007603752E+14
Altitude	18612566.016611

Triangular Pyramid

Length = n

Surface area	2.0001007603752E+14
Volume	1.1699319735899E+21
Height	10131397.67657