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

21492921 (number)

21492921 is an odd 8-digits composite number following 21492920 and preceding 21492922. In scientific notation, it is written as 2.1492921 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14328612 positive integers (up to 21492921) that are relatively prime to 21492921.

Interesting facts

21492921 has 4 divisors, whose sum is 28657232
The reverse of 21492921 is 12929412
Previous prime number is 3

Basic properties

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

Name

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

Notation

Scientific notation	2.1492921 × 10^7
Engineering notation	2.1492921 × 10^6

Prime Factorization of 21492921

Prime Factorization 3 × 7164307

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21492921	Product of the distinct prime numbers

The prime factorization of 21492921 is 3 × 7164307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 93, 72, 916, 4, 591, 9020, 29999, 24642, 137892, 76453, 8944728, 3765829, 68097919, 33779642, 646981929, 291497977, 4239168544, 8164908778

Basic calculations (n = 21492921)

Multiplication

n×y

n×2	42985842
n×3	64478763
n×4	85971684
n×5	107464605

Division

n÷y

n÷2	10746460.5
n÷3	7164307
n÷3	5373230.25
n÷5	4298584.2

Exponentiation

n^y

n²	461945653112241
n³	9.9285614286348E+21
n⁴	2.1339378642929E+29
n⁵	4.5864557936157E+36

Nth Root

^y√n

²√n	4636.0458367018
³√n	278.03436681564
⁴√n	68.088514719458
⁵√n	29.272451052695

Divisors of 21492921

1, 3, 7164307, 21492921

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21492920	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492921 can be divided by 4 positive divisors. The sum of these divisors (counting 21492921) is 1, the average is 0.25.

Base conversion 21492921

Base	System	Value
2	Binary	1010001111111010010111001
3	Ternary	1111102221202010
4	Quaternary	1101333102321
5	Quinary	21000233141
6	Senary	2044400133
8	Octal	121772271
10	Decimal	21492921
12	Duodecimal	7246049
16	Hexadecimal	147f4b9
20	Vigesimal	6e6c61
36	Base36	cso1l

Cryptographic Hash Functions

md5	2c77228c699e6f10864d43e6d81411dc
sha1	6a9f39518625b2e7717118ed5940db9e8f66faa0
sha256	5e7fbff77755ac941bcbfe3927399235ca491850dc83b877cb035ac1c01617e9
sha512	fd5837fbb7f20dd7d4f2e678e56ec8bdc6fb842ca74e4f4049073eeef2c45685dd597e4ea70c084a5731f9f8c391c091aaca184f87ed15881e6050278a3ede44
ripemd-160	f24b35d1391e18697bb7f80802e4e1fbd57060c7

21492921 as geometric shapes

Circle

Radius = n

Diameter	42985842
Circumference	135044005.43557
Area	1.4512450701752E+15

Sphere

Radius = n

Volume	4.1588660859885E+22
Surface area	5.8049802807006E+15
Circumference	135044005.43557

Square

Length = n

Perimeter	85971684
Area	461945653112241
Diagonal	30395580.373214

Cube

Length = n

Surface area	2771673918673446
Volume	9.9285614286348E+21
Space diagonal	37226831.175064

Equilateral Triangle

Length = n

Perimeter	64478763
Area	2.000283353815E+14
Altitude	18613415.587532

Triangular Pyramid

Length = n

Surface area	2.000283353815E+14
Volume	1.1700921856025E+21
Height	10131860.124405