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

21000725 (number)

21000725 is an odd 8-digits composite number following 21000724 and preceding 21000726. In scientific notation, it is written as 2.1000725 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors. There are 16069680 positive integers (up to 21000725) that are relatively prime to 21000725.

Interesting facts

21000725 has 12 divisors, whose sum is 27173856
The reverse of 21000725 is 52700012
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	twenty-one million seven hundred twenty-five

Notation

Scientific notation	2.1000725 × 10^7
Engineering notation	2.1000725 × 10^6

Prime Factorization of 21000725

Prime Factorization 5 × 5 × 23 × 36523

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	4200145	Product of the distinct prime numbers

The prime factorization of 21000725 is 5 × 5 × 23 × 36523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 3, 91, 869, 765, 478, 3226, 78583, 54829, 331197, 883884, 9084302, 506990, 60243745, 92948183, 171308797, 477384085, 9053044663, 6590889868

Basic calculations (n = 21000725)

Multiplication

n×y

n×2	42001450
n×3	63002175
n×4	84002900
n×5	105003625

Division

n÷y

n÷2	10500362.5
n÷3	7000241.6666667
n÷3	5250181.25
n÷5	4200145

Exponentiation

n^y

n²	441030450525625
n³	9.2619592081148E+21
n⁴	1.9450785829084E+29
n⁵	4.0848060423048E+36

Nth Root

^y√n

²√n	4582.6547982583
³√n	275.895592554
⁴√n	67.695308539502
⁵√n	29.13713576658

Divisors of 21000725

1, 5, 23, 25, 115, 575, 36523, 182615, 840029, 913075, 4200145, 21000725

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000724	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000725 can be divided by 12 positive divisors. The sum of these divisors (counting 21000725) is 1, the average is 0.083333333333333.

Base conversion 21000725

Base	System	Value
2	Binary	1010000000111001000010101
3	Ternary	1110111221120122
4	Quaternary	1100013020111
5	Quinary	20334010400
6	Senary	2030041325
8	Octal	120071025
10	Decimal	21000725
12	Duodecimal	7049245
16	Hexadecimal	1407215
20	Vigesimal	6b51g5
36	Base36	ci49h

Cryptographic Hash Functions

md5	4ac8f0161a02e92d5817e552547f7a2f
sha1	312845255030e886d58bde9d992955becb874e93
sha256	926644379003b8e6a7f387a57ad001c80a0bb0dc5f4778d1785b7aa48b2d8258
sha512	ac20c82b5ebceaa45f9a477e59ac8969d21757a1731810b5d2c7fd1c46c59da93550bdba8d6cca2fbbab091a185933166459f5343f0122bfa3318e1ed799b828
ripemd-160	5701fa8453cec1d48f89e579b16613a58f4bc5d0

21000725 as geometric shapes

Circle

Radius = n

Diameter	42001450
Circumference	131951446.76012
Area	1.3855380233807E+15

Sphere

Radius = n

Volume	3.8796404008082E+22
Surface area	5.5421520935228E+15
Circumference	131951446.76012

Square

Length = n

Perimeter	84002900
Area	441030450525625
Diagonal	29699510.114668

Cube

Length = n

Surface area	2646182703153750
Volume	9.2619592081148E+21
Space diagonal	36374322.695782

Equilateral Triangle

Length = n

Perimeter	63002175
Area	1.9097178699884E+14
Altitude	18187161.347891

Triangular Pyramid

Length = n

Surface area	1.9097178699884E+14
Volume	1.0915323605219E+21
Height	9899836.7048892