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

21025811 (number)

21025811 is an odd 8-digits prime number following 21025810 and preceding 21025812. In scientific notation, it is written as 2.1025811 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 21025810 positive integers (up to 21025811) that are relatively prime to 21025811.

Interesting facts

21025811 has 2 divisors, whose sum is 21025812
The reverse of 21025811 is 11852012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million twenty-five thousand eight hundred eleven

Notation

Scientific notation	2.1025811 × 10^7
Engineering notation	2.1025811 × 10^6

Prime Factorization of 21025811

Prime Factorization 21025811

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21025811	Product of the distinct prime numbers

The prime factorization of 21025811 is 21025811. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 1, 64, 81, 408, 742, 51, 3628, 70353, 91748, 40147, 224844, 907283, 6865853, 51367532, 81649085, 4343281, 595777318, 8120847798, 2920290909

Basic calculations (n = 21025811)

Multiplication

n×y

n×2	42051622
n×3	63077433
n×4	84103244
n×5	105129055

Division

n÷y

n÷2	10512905.5
n÷3	7008603.6666667
n÷3	5256452.75
n÷5	4205162.2

Exponentiation

n^y

n²	442084728207721
n³	9.2951899412819E+21
n⁴	1.9543890691449E+29
n⁵	4.1092615188308E+36

Nth Root

^y√n

²√n	4585.3910411218
³√n	276.00540404598
⁴√n	67.715515512486
⁵√n	29.144093480552

Divisors of 21025811

1, 21025811

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21025812	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10512906	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4585.3911501637	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999048788	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21025811 can be divided by 2 positive divisors. The sum of these divisors (counting 21025811) is 21025812, the average is 10512906.

Base conversion 21025811

Base	System	Value
2	Binary	1010000001101010000010011
3	Ternary	1110120012222202
4	Quaternary	1100031100103
5	Quinary	20340311221
6	Senary	2030353415
8	Octal	120152023
10	Decimal	21025811
12	Duodecimal	705b86b
16	Hexadecimal	140d413
20	Vigesimal	6b84ab
36	Base36	cinmb

Cryptographic Hash Functions

md5	d6976775e37f77c0da2f032389938fd8
sha1	dc4bb4a00b8064607f7736d3d0aadeed19845c6b
sha256	3f4ed230d10c98d55ebe21bf7cc9e910f99733d197109085215cd3fc39adf65c
sha512	8ff76b4e58a1b3de4a4686af58ba2ac6f1a1d39150bd4539b47f85b27d9cb3a3c447bc01a38b1726084b6b18d43bfa94a0e4caabfec988569438c59647284e78
ripemd-160	4159a5d0bab9e4599e5d97a1396fa0d826f62775

21025811 as geometric shapes

Circle

Radius = n

Diameter	42051622
Circumference	132109066.74673
Area	1.3888501344016E+15

Sphere

Radius = n

Volume	3.8935600577671E+22
Surface area	5.5554005376065E+15
Circumference	132109066.74673

Square

Length = n

Perimeter	84103244
Area	442084728207721
Diagonal	29734987.076093

Cube

Length = n

Surface area	2652508369246326
Volume	9.2951899412819E+21
Space diagonal	36417772.922341

Equilateral Triangle

Length = n

Perimeter	63077433
Area	1.9142830262651E+14
Altitude	18208886.46117

Triangular Pyramid

Length = n

Surface area	1.9142830262651E+14
Volume	1.0954486399829E+21
Height	9911662.3586978