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

21007851 (number)

21007851 is an odd 8-digits composite number following 21007850 and preceding 21007852. In scientific notation, it is written as 2.1007851 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13775520 positive integers (up to 21007851) that are relatively prime to 21007851.

Interesting facts

21007851 has 8 divisors, whose sum is 28469904
The reverse of 21007851 is 15870012
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-one million seven thousand eight hundred fifty-one

Notation

Scientific notation	2.1007851 × 10^7
Engineering notation	2.1007851 × 10^6

Prime Factorization of 21007851

Prime Factorization 3 × 61 × 114797

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21007851	Product of the distinct prime numbers

The prime factorization of 21007851 is 3 × 61 × 114797. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 54, 22, 577, 196, 8870, 3048, 2987, 81499, 282184, 557532, 9870386, 9255444, 9000428, 24777873, 839804420, 82863763, 4014555613, 1475742346

Basic calculations (n = 21007851)

Multiplication

n×y

n×2	42015702
n×3	63023553
n×4	84031404
n×5	105039255

Division

n÷y

n÷2	10503925.5
n÷3	7002617
n÷3	5251962.75
n÷5	4201570.2

Exponentiation

n^y

n²	441329803638201
n³	9.2713907566906E+21
n⁴	1.9477199557933E+29
n⁵	4.0917410621033E+36

Nth Root

^y√n

²√n	4583.4322292361
³√n	275.92679480475
⁴√n	67.70105042934
⁵√n	29.139112870263

Divisors of 21007851

1, 3, 61, 183, 114797, 344391, 7002617, 21007851

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	-21007850	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 21007851 can be divided by 8 positive divisors. The sum of these divisors (counting 21007851) is 1, the average is 0.125.

Base conversion 21007851

Base	System	Value
2	Binary	1010000001000110111101011
3	Ternary	1110112022100120
4	Quaternary	1100020313223
5	Quinary	20334222401
6	Senary	2030134323
8	Octal	120106753
10	Decimal	21007851
12	Duodecimal	70513a3
16	Hexadecimal	1408deb
20	Vigesimal	6b5jcb
36	Base36	ci9rf

Cryptographic Hash Functions

md5	fdcc63e95127add3b6c7ea21721d94e7
sha1	01f1507cd8b5484a765e777f35f1d2858451c978
sha256	a27272e4277ff4fdeddfb987a10d5d1882213af5abaca4092030da13b49bcf9b
sha512	e9e1313020b08f407ba1ba5dd86ab6c9fd0bd2240f8713044c98a42df73162f1ed6855e8f9fbb19c1c372eaa835c49da44c143237226dfa0fb98afcef682fa1c
ripemd-160	7adec3a612cc1df8e23b95269d325d2161561d86

21007851 as geometric shapes

Circle

Radius = n

Diameter	42015702
Circumference	131996220.73862
Area	1.38647846892E+15

Sphere

Radius = n

Volume	3.8835910786373E+22
Surface area	5.54591387568E+15
Circumference	131996220.73862

Square

Length = n

Perimeter	84031404
Area	441329803638201
Diagonal	29709587.800513

Cube

Length = n

Surface area	2647978821829206
Volume	9.2713907566906E+21
Space diagonal	36386665.289837

Equilateral Triangle

Length = n

Perimeter	63023553
Area	1.9110141069894E+14
Altitude	18193332.644918

Triangular Pyramid

Length = n

Surface area	1.9110141069894E+14
Volume	1.092643879181E+21
Height	9903195.9335044