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

21085961 (number)

21085961 is an odd 8-digits composite number following 21085960 and preceding 21085962. In scientific notation, it is written as 2.1085961 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 19463808 positive integers (up to 21085961) that are relatively prime to 21085961.

Interesting facts

21085961 has 6 divisors, whose sum is 22832910
The reverse of 21085961 is 16958012
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million eighty-five thousand nine hundred sixty-one

Notation

Scientific notation	2.1085961 × 10^7
Engineering notation	2.1085961 × 10^6

Prime Factorization of 21085961

Prime Factorization 13 × 13 × 124769

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1621997	Product of the distinct prime numbers

The prime factorization of 21085961 is 13 × 13 × 124769. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 1, 100, 1, 157, 668, 9456, 8405, 17619, 86403, 488900, 566357, 3485621, 2089073, 81241918, 98229897, 861903864, 513034576, 5081939430, 8561089378

Basic calculations (n = 21085961)

Multiplication

n×y

n×2	42171922
n×3	63257883
n×4	84343844
n×5	105429805

Division

n÷y

n÷2	10542980.5
n÷3	7028653.6666667
n÷3	5271490.25
n÷5	4217192.2

Exponentiation

n^y

n²	444617751293521
n³	9.3751925636829E+21
n⁴	1.9768494476531E+29
n⁵	4.1683770356084E+36

Nth Root

^y√n

²√n	4591.9452305096
³√n	276.26834941552
⁴√n	67.763893265585
⁵√n	29.160749339085

Divisors of 21085961

1, 13, 169, 124769, 1621997, 21085961

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21085960	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085961 can be divided by 6 positive divisors. The sum of these divisors (counting 21085961) is 1, the average is 0.16666666666667.

Base conversion 21085961

Base	System	Value
2	Binary	1010000011011111100001001
3	Ternary	1110200021111112
4	Quaternary	1100123330021
5	Quinary	20344222321
6	Senary	2031540105
8	Octal	120337411
10	Decimal	21085961
12	Duodecimal	708a635
16	Hexadecimal	141bf09
20	Vigesimal	6bfei1
36	Base36	cjy15

Cryptographic Hash Functions

md5	74c7e53b9187f16487cf17effefd7982
sha1	fecb15a8987154d183b64c3a448c888a41e34d06
sha256	eece2e013f5ba781450689b6cf41700c4b4bb06c1bf1902a06c2bad0ce1515e1
sha512	8401c80a0083b18fb0c3e6ad51094b4b477edfa0664ff5c2cf798d280277d6b39f6b3dcf71100dbc5482f8af39b0a590dc605fc8ebdb195681d7f14fe441c4e4
ripemd-160	9986ba93d705684c6e07f8a2c8bc2769040f5df3

21085961 as geometric shapes

Circle

Radius = n

Diameter	42171922
Circumference	132487000.34296
Area	1.3968078611193E+15

Sphere

Radius = n

Volume	3.9270714778741E+22
Surface area	5.5872314444774E+15
Circumference	132487000.34296

Square

Length = n

Perimeter	84343844
Area	444617751293521
Diagonal	29820052.02187

Cube

Length = n

Surface area	2667706507761126
Volume	9.3751925636829E+21
Space diagonal	36521955.778416

Equilateral Triangle

Length = n

Perimeter	63257883
Area	1.9252513379685E+14
Altitude	18260977.889208

Triangular Pyramid

Length = n

Surface area	1.9252513379685E+14
Volume	1.1048770394516E+21
Height	9940017.3406234