21491388, twenty-one million four hundred ninety-one thousand three hundred eighty-eight: 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

21491388 has 12 divisors, whose sum is 41788880
The reverse of 21491388 is 88319412
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	2.1491388 × 10^7
Engineering notation	2.1491388 × 10^6

Prime Factorization of 21491388

Prime Factorization 2 × 2 × 9 × 596983

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10745694	Product of the distinct prime numbers

The prime factorization of 21491388 is 2 × 2 × 9 × 596983. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 82, 45, 32, 467, 5304, 4723, 17055, 45418, 207491, 960961, 6040619, 5320275, 73732147, 62413446, 893523024, 585968041, 2681057206, 7891980363

Basic calculations (n = 21491388)

Multiplication

n×y

n×2	42982776
n×3	64474164
n×4	85965552
n×5	107456940

Division

n÷y

n÷2	10745694
n÷3	7163796
n÷3	5372847
n÷5	4298277.6

Exponentiation

n^y

n²	461879758166544
n³	9.9264370921034E+21
n⁴	2.1333291100399E+29
n⁵	4.5848203635561E+36

Nth Root

^y√n

²√n	4635.8804988912
³√n	278.02775631633
⁴√n	68.087300569866
⁵√n	29.272033464525

Divisors of 21491388

1, 2, 4, 9, 18, 36, 596983, 1193966, 2387932, 5372847, 10745694, 21491388

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	-21491387	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 21491388 can be divided by 12 positive divisors. The sum of these divisors (counting 21491388) is 1, the average is 0.083333333333333.

Base conversion 21491388

Base	System	Value
2	Binary	1010001111110111010111100
3	Ternary	1111102212122100
4	Quaternary	1101332322330
5	Quinary	21000211023
6	Senary	2044345100
8	Octal	121767274
10	Decimal	21491388
12	Duodecimal	7245190
16	Hexadecimal	147eebc
20	Vigesimal	6e6898
36	Base36	csmv0

Cryptographic Hash Functions

md5	aec5730bae18ff0b1e986d76f1afca92
sha1	b9c26b7e420548d0822fd7bb91a05922d0489ad1
sha256	40d4fdfbcaf32c058fa1675c8545043f471f76c2903d4e2ed0f633f58ff16587
sha512	2d5c3eb5d9268cc617150e4008d1311ca5d30862199a064ce4840e9def933aaf9403e530192d229fa3488ca2c7a1bbc2fc488802536682fedd8d07eea612ec6f
ripemd-160	bbba041aab22376e2ad23ae8064439d308740774

21491388 as geometric shapes

Circle

Radius = n

Diameter	42982776
Circumference	135034373.3125
Area	1.4510380550978E+15

Sphere

Radius = n

Volume	4.1579762459831E+22
Surface area	5.8041522203914E+15
Circumference	135034373.3125

Square

Length = n

Perimeter	85965552
Area	461879758166544
Diagonal	30393412.383822

Cube

Length = n

Surface area	2771278548999264
Volume	9.9264370921034E+21
Space diagonal	37224175.941176

Equilateral Triangle

Length = n

Perimeter	64474164
Area	1.9999980203302E+14
Altitude	18612087.970588

Triangular Pyramid

Length = n

Surface area	1.9999980203302E+14
Volume	1.1698418301413E+21
Height	10131137.461274