21497728, twenty-one million four hundred ninety-seven thousand seven hundred twenty-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

21497728 has 32 divisors, whose sum is 48947760
The reverse of 21497728 is 82779412
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-one million four hundred ninety-seven thousand seven hundred twenty-eight

Notation

Scientific notation	2.1497728 × 10^7
Engineering notation	2.1497728 × 10^6

Prime Factorization of 21497728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 23993

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	9	Total number of prime factors
rad	Radical	335902	Product of the distinct prime numbers

The prime factorization of 21497728 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 23993. Since it has a total of 9 prime factors.

Most popular turbo-numbers

3, 9, 64, 16, 606, 758, 7791, 5460, 32498, 2325, 700960, 879255, 2616580, 1712003, 29522234, 99341210, 399783833, 193619801, 7628728906, 6234719349

Basic calculations (n = 21497728)

Multiplication

n×y

n×2	42995456
n×3	64493184
n×4	85990912
n×5	107488640

Division

n÷y

n÷2	10748864
n÷3	7165909.3333333
n÷3	5374432
n÷5	4299545.6

Exponentiation

n^y

n²	462152309161984
n³	9.9352246369362E+21
n⁴	2.1358475686375E+29
n⁵	4.5915870080031E+36

Nth Root

^y√n

²√n	4636.5642452143
³√n	278.05509319922
⁴√n	68.092321484983
⁵√n	29.273760321784

Divisors of 21497728

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23993, 47986, 95972, 167951, 191944, 335902, 383888, 671804, 767776, 1343608, 1535552, 2687216, 3071104, 5374432, 10748864, 21497728

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21497727	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497728 can be divided by 32 positive divisors. The sum of these divisors (counting 21497728) is 1, the average is 0.03125.

Base conversion 21497728

Base	System	Value
2	Binary	1010010000000011110000000
3	Ternary	1111110012100011
4	Quaternary	1102000132000
5	Quinary	21000411403
6	Senary	2044434304
8	Octal	122003600
10	Decimal	21497728
12	Duodecimal	7248994
16	Hexadecimal	1480780
20	Vigesimal	6e7468
36	Base36	csrr4

Cryptographic Hash Functions

md5	850e4c9eaabb6295543c70851053cf77
sha1	6080bd3489903907ae9b791b42820e570a056cff
sha256	577d2d05a8a860400e9f54ee086189458aef87cd9d809721c3c7084cee1cdd19
sha512	0f02322cb7df966d9d79a19edc5002e8242b09ebbe075f5fd48b90c0b9d798686918513f6db7e215e62514d109053315b6dc643eceb1ae149288edfed0190d4e
ripemd-160	29dcf7391b4ad24f192c92b95d51e4c7c214e092

21497728 as geometric shapes

Circle

Radius = n

Diameter	42995456
Circumference	135074208.70734
Area	1.4518942993028E+15

Sphere

Radius = n

Volume	4.1616571641551E+22
Surface area	5.8075771972114E+15
Circumference	135074208.70734

Square

Length = n

Perimeter	85990912
Area	462152309161984
Diagonal	30402378.497808

Cube

Length = n

Surface area	2772913854971904
Volume	9.9352246369362E+21
Space diagonal	37235157.143296

Equilateral Triangle

Length = n

Perimeter	64493184
Area	2.0011782007596E+14
Altitude	18617578.571648

Triangular Pyramid

Length = n

Surface area	2.0011782007596E+14
Volume	1.1708774522315E+21
Height	10134126.165936