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

21004891 (number)

21004891 is an odd 8-digits prime number following 21004890 and preceding 21004892. In scientific notation, it is written as 2.1004891 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21004890 positive integers (up to 21004891) that are relatively prime to 21004891.

Interesting facts

21004891 has 2 divisors, whose sum is 21004892
The reverse of 21004891 is 19840012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million four thousand eight hundred ninety-one

Notation

Scientific notation	2.1004891 × 10^7
Engineering notation	2.1004891 × 10^6

Prime Factorization of 21004891

Prime Factorization 21004891

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21004891	Product of the distinct prime numbers

The prime factorization of 21004891 is 21004891. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 8, 51, 82, 883, 120, 6745, 1878, 70026, 98864, 701574, 672739, 6355814, 1959959, 17992954, 56431806, 399325516, 200839392, 8662309482, 8952577340

Basic calculations (n = 21004891)

Multiplication

n×y

n×2	42009782
n×3	63014673
n×4	84019564
n×5	105024455

Division

n÷y

n÷2	10502445.5
n÷3	7001630.3333333
n÷3	5251222.75
n÷5	4200978.2

Exponentiation

n^y

n²	441205445921881
n³	9.2674723001955E+21
n⁴	1.9466224551113E+29
n⁵	4.0888592487764E+36

Nth Root

^y√n

²√n	4583.1093157375
³√n	275.91383486142
⁴√n	67.698665538824
⁵√n	29.1382916855

Divisors of 21004891

1, 21004891

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21004892	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10502446	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4583.1094248338	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999047841	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21004891 can be divided by 2 positive divisors. The sum of these divisors (counting 21004891) is 21004892, the average is 10502446.

Base conversion 21004891

Base	System	Value
2	Binary	1010000001000001001011011
3	Ternary	1110112011021221
4	Quaternary	1100020021123
5	Quinary	20334124031
6	Senary	2030112511
8	Octal	120101133
10	Decimal	21004891
12	Duodecimal	704b737
16	Hexadecimal	140825b
20	Vigesimal	6b5c4b
36	Base36	ci7h7

Cryptographic Hash Functions

md5	03a5900a2d11c010d74f63991f99dbcb
sha1	6daafdc5f02c09fc6042dab0f6f391f0905c232f
sha256	4dac21065a74b38483755f74aecc0dcc4686a5bcad34699bc6a99bf9a4bf4b4c
sha512	4435d90a03461815945ffbd2de9724909b441b15f52a2387db45000148fbe9adcb97aef77dbb4a45c34f4b1181ef78c5f14d6c724008a0a58cceae7b58a327c5
ripemd-160	7bd17ef0aea57113246b322709a5bb48b056ff6b

21004891 as geometric shapes

Circle

Radius = n

Diameter	42009782
Circumference	131977622.51011
Area	1.386087787632E+15

Sphere

Radius = n

Volume	3.8819497194188E+22
Surface area	5.544351150528E+15
Circumference	131977622.51011

Square

Length = n

Perimeter	84019564
Area	441205445921881
Diagonal	29705401.728369

Cube

Length = n

Surface area	2647232675531286
Volume	9.2674723001955E+21
Space diagonal	36381538.419446

Equilateral Triangle

Length = n

Perimeter	63014673
Area	1.910475622282E+14
Altitude	18190769.209723

Triangular Pyramid

Length = n

Surface area	1.910475622282E+14
Volume	1.0921820846545E+21
Height	9901800.5761229