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

21129861 (number)

21129861 is an odd 8-digits composite number following 21129860 and preceding 21129862. In scientific notation, it is written as 2.1129861 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13257920 positive integers (up to 21129861) that are relatively prime to 21129861.

Interesting facts

21129861 has 8 divisors, whose sum is 29830464
The reverse of 21129861 is 16892112
Previous prime number is 17

Basic properties

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

Name

Name	twenty-one million one hundred twenty-nine thousand eight hundred sixty-one

Notation

Scientific notation	2.1129861 × 10^7
Engineering notation	2.1129861 × 10^6

Prime Factorization of 21129861

Prime Factorization 3 × 17 × 414311

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21129861	Product of the distinct prime numbers

The prime factorization of 21129861 is 3 × 17 × 414311. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 11, 12, 846, 772, 872, 2228, 31821, 14568, 869971, 776822, 648746, 9043725, 16354952, 50846132, 18566440, 986936847, 2001420059, 5305955246

Basic calculations (n = 21129861)

Multiplication

n×y

n×2	42259722
n×3	63389583
n×4	84519444
n×5	105649305

Division

n÷y

n÷2	10564930.5
n÷3	7043287
n÷3	5282465.25
n÷5	4225972.2

Exponentiation

n^y

n²	446471025879321
n³	9.4338707173575E+21
n⁴	1.9933637694973E+29
n⁵	4.2119499371915E+36

Nth Root

^y√n

²√n	4596.7228543822
³√n	276.45994250898
⁴√n	67.79913608876
⁵√n	29.172881507353

Divisors of 21129861

1, 3, 17, 51, 414311, 1242933, 7043287, 21129861

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	-21129860	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 21129861 can be divided by 8 positive divisors. The sum of these divisors (counting 21129861) is 1, the average is 0.125.

Base conversion 21129861

Base	System	Value
2	Binary	1010000100110101010000101
3	Ternary	1110202111201110
4	Quaternary	1100212222011
5	Quinary	20402123421
6	Senary	2032515233
8	Octal	120465205
10	Decimal	21129861
12	Duodecimal	70abb19
16	Hexadecimal	1426a85
20	Vigesimal	6c14d1
36	Base36	ckvwl

Cryptographic Hash Functions

md5	c21e4999355f9cb106ad6be9281e9955
sha1	92e1d94ab87d55facfad834a9c64c185689ed8fa
sha256	d1684b509c3f3074e7eecda978056ead10a30fd7be42897f801fa57b79f4243f
sha512	3c8f3ddf257e2a61fc378c740c8a89584f0d7f7867f98a72ff1f1db594e9120e844eb616f3f62de8f94e99a3485cf081c7b19fedefe14b5fb06e339a23103a86
ripemd-160	1f01fd3c105d5ad2816fcb32ea09afa63333f6ce

21129861 as geometric shapes

Circle

Radius = n

Diameter	42259722
Circumference	132762832.17795
Area	1.4026300949432E+15

Sphere

Radius = n

Volume	3.9516505254088E+22
Surface area	5.6105203797727E+15
Circumference	132762832.17795

Square

Length = n

Perimeter	84519444
Area	446471025879321
Diagonal	29882135.997258

Cube

Length = n

Surface area	2678826155275926
Volume	9.4338707173575E+21
Space diagonal	36597992.808868

Equilateral Triangle

Length = n

Perimeter	63389583
Area	1.933276252326E+14
Altitude	18298996.404434

Triangular Pyramid

Length = n

Surface area	1.933276252326E+14
Volume	1.1117923261801E+21
Height	9960711.9990861