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

21492728 (number)

21492728 is an even 8-digits composite number following 21492727 and preceding 21492729. In scientific notation, it is written as 2.1492728 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 10746360 positive integers (up to 21492728) that are relatively prime to 21492728.

Interesting facts

21492728 has 8 divisors, whose sum is 40298880
The reverse of 21492728 is 82729412
Previous prime number is 2

Basic properties

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

Name

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

Notation

Scientific notation	2.1492728 × 10^7
Engineering notation	2.1492728 × 10^6

Prime Factorization of 21492728

Prime Factorization 2 × 2 × 2 × 2686591

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	5373182	Product of the distinct prime numbers

The prime factorization of 21492728 is 2 × 2 × 2 × 2686591. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 84, 22, 78, 715, 9877, 6494, 36702, 48483, 446130, 852842, 8819742, 2431199, 23565538, 32353548, 666121001, 89580913, 7116296757, 1594836929

Basic calculations (n = 21492728)

Multiplication

n×y

n×2	42985456
n×3	64478184
n×4	85970912
n×5	107463640

Division

n÷y

n÷2	10746364
n÷3	7164242.6666667
n÷3	5373182
n÷5	4298545.6

Exponentiation

n^y

n²	461937356881984
n³	9.9282939645034E+21
n⁴	2.1338612168311E+29
n⁵	4.5862498723101E+36

Nth Root

^y√n

²√n	4636.0250215028
³√n	278.03353459134
⁴√n	68.08836186532
⁵√n	29.272398480936

Divisors of 21492728

1, 2, 4, 8, 2686591, 5373182, 10746364, 21492728

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	-21492727	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 21492728 can be divided by 8 positive divisors. The sum of these divisors (counting 21492728) is 1, the average is 0.125.

Base conversion 21492728

Base	System	Value
2	Binary	1010001111111001111111000
3	Ternary	1111102221110222
4	Quaternary	1101333033320
5	Quinary	21000231403
6	Senary	2044355212
8	Octal	121771770
10	Decimal	21492728
12	Duodecimal	7245b08
16	Hexadecimal	147f3f8
20	Vigesimal	6e6bg8
36	Base36	csnw8

Cryptographic Hash Functions

md5	a99243a34025fcd70ed98fd27cb8dc57
sha1	5b04db18fd58172a9d9687916bdadd68ccde8bf0
sha256	c463aa89244ae37b3de816b7c523a492e057acb73591065196358d57a1d7d05e
sha512	0e1eb60806fde7b8fd52c81425a0ba2475dd0c21c140c092629ed57055c0e831c8c911f2708e3786ae87336560cd745a21d928fce3ec554407c5851edad4a9e5
ripemd-160	3e47d01d8e5d47bb6c921be5c7eff30060c5498c

21492728 as geometric shapes

Circle

Radius = n

Diameter	42985456
Circumference	135042792.78081
Area	1.4512190067991E+15

Sphere

Radius = n

Volume	4.1587540508752E+22
Surface area	5.8048760271965E+15
Circumference	135042792.78081

Square

Length = n

Perimeter	85970912
Area	461937356881984
Diagonal	30395307.429996

Cube

Length = n

Surface area	2771624141291904
Volume	9.9282939645034E+21
Space diagonal	37226496.889258

Equilateral Triangle

Length = n

Perimeter	64478184
Area	2.0002474300842E+14
Altitude	18613248.444629

Triangular Pyramid

Length = n

Surface area	2.0002474300842E+14
Volume	1.1700606646523E+21
Height	10131769.143332