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

21497961 (number)

21497961 is an odd 8-digits composite number following 21497960 and preceding 21497962. In scientific notation, it is written as 2.1497961 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 13704768 positive integers (up to 21497961) that are relatively prime to 21497961.

Interesting facts

21497961 has 16 divisors, whose sum is 29937600
The reverse of 21497961 is 16979412
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-one million four hundred ninety-seven thousand nine hundred sixty-one

Notation

Scientific notation	2.1497961 × 10^7
Engineering notation	2.1497961 × 10^6

Prime Factorization of 21497961

Prime Factorization 3 × 109 × 29 × 2267

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21497961	Product of the distinct prime numbers

The prime factorization of 21497961 is 3 × 109 × 29 × 2267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 71, 48, 614, 56, 1689, 4638, 35476, 64615, 724446, 452455, 3806359, 701253, 95997594, 16763654, 51638662, 719198959, 5960685849, 8400522796

Basic calculations (n = 21497961)

Multiplication

n×y

n×2	42995922
n×3	64493883
n×4	85991844
n×5	107489805

Division

n÷y

n÷2	10748980.5
n÷3	7165987
n÷3	5374490.25
n÷5	4299592.2

Exponentiation

n^y

n²	462162327157521
n³	9.9355476849016E+21
n⁴	2.1359401664366E+29
n⁵	4.5918358396387E+36

Nth Root

^y√n

²√n	4636.5893715101
³√n	278.05609774883
⁴√n	68.092505986416
⁵√n	29.273823777388

Divisors of 21497961

1, 3, 29, 87, 109, 327, 2267, 3161, 6801, 9483, 65743, 197229, 247103, 741309, 7165987, 21497961

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21497960	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497961 can be divided by 16 positive divisors. The sum of these divisors (counting 21497961) is 1, the average is 0.0625.

Base conversion 21497961

Base	System	Value
2	Binary	1010010000000100001101001
3	Ternary	1111110012122210
4	Quaternary	1102000201221
5	Quinary	21000413321
6	Senary	2044435333
8	Octal	122004151
10	Decimal	21497961
12	Duodecimal	7248b49
16	Hexadecimal	1480869
20	Vigesimal	6e74i1
36	Base36	csrxl

Cryptographic Hash Functions

md5	762d457c14d838292aa46f76ede1ad6f
sha1	6136d71f0fa2d5580884c3deae24f20eab6d4979
sha256	0ae4fc2d6559fc16ad3d3bf432bd8edaf9555de23b218925890f03263d27f767
sha512	c950b5469fb169c7f2ce672585ad883e5b98b9c1331402d8f14465f9d5029395eaef473d4bf0d525fee0351e141970253eec12df58e8ded9ef5bfce92802247e
ripemd-160	5a5a44709971846adb326aa552d3d83cf92c3b23

21497961 as geometric shapes

Circle

Radius = n

Diameter	42995922
Circumference	135075672.68952
Area	1.451925771764E+15

Sphere

Radius = n

Volume	4.1617924821704E+22
Surface area	5.8077030870561E+15
Circumference	135075672.68952

Square

Length = n

Perimeter	85991844
Area	462162327157521
Diagonal	30402708.009568

Cube

Length = n

Surface area	2772973962945126
Volume	9.9355476849016E+21
Space diagonal	37235560.711134

Equilateral Triangle

Length = n

Perimeter	64493883
Area	2.0012215799527E+14
Altitude	18617780.355567

Triangular Pyramid

Length = n

Surface area	2.0012215799527E+14
Volume	1.1709155237994E+21
Height	10134236.003189