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

21490971 (number)

21490971 is an odd 8-digits composite number following 21490970 and preceding 21490972. In scientific notation, it is written as 2.1490971 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14092320 positive integers (up to 21490971) that are relatively prime to 21490971.

Interesting facts

21490971 has 8 divisors, whose sum is 29124624
The reverse of 21490971 is 17909412
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million four hundred ninety thousand nine hundred seventy-one

Notation

Scientific notation	2.1490971 × 10^7
Engineering notation	2.1490971 × 10^6

Prime Factorization of 21490971

Prime Factorization 3 × 61 × 117437

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490971	Product of the distinct prime numbers

The prime factorization of 21490971 is 3 × 61 × 117437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 26, 81, 416, 852, 9279, 6779, 96287, 11188, 792929, 952065, 453097, 208725, 78643412, 35550487, 808195586, 519137677, 170242261, 9050365164

Basic calculations (n = 21490971)

Multiplication

n×y

n×2	42981942
n×3	64472913
n×4	85963884
n×5	107454855

Division

n÷y

n÷2	10745485.5
n÷3	7163657
n÷3	5372742.75
n÷5	4298194.2

Exponentiation

n^y

n²	461861834522841
n³	9.9258592917372E+21
n⁴	2.133163541888E+29
n⁵	4.5843755816973E+36

Nth Root

^y√n

²√n	4635.8355233981
³√n	278.02595810264
⁴√n	68.086970290931
⁵√n	29.271919869882

Divisors of 21490971

1, 3, 61, 183, 117437, 352311, 7163657, 21490971

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	-21490970	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 21490971 can be divided by 8 positive divisors. The sum of these divisors (counting 21490971) is 1, the average is 0.125.

Base conversion 21490971

Base	System	Value
2	Binary	1010001111110110100011011
3	Ternary	1111102212001220
4	Quaternary	1101332310123
5	Quinary	21000202341
6	Senary	2044343123
8	Octal	121766433
10	Decimal	21490971
12	Duodecimal	7244aa3
16	Hexadecimal	147ed1b
20	Vigesimal	6e678b
36	Base36	csmjf

Cryptographic Hash Functions

md5	03737bfd3a2ebbc9e3cc2ac20385fae5
sha1	258b58a5103ee6f1c552a7d8ef7749447fb55afb
sha256	4ebd4b8fd063cb751e6f47c408486fb3abd657edd60bc6da22b9231b48e12328
sha512	48bade8cb5b7749373c8d4e464b07b009c3a9636219c772fedea4c1af4ff20d61ee2a7c8fd5207595154bfdc7ec775a8fdab9b48ff870f364619824545525161
ripemd-160	b6e5c11c8a5c5b90df224442ab39b979c20bea18

21490971 as geometric shapes

Circle

Radius = n

Diameter	42981942
Circumference	135031753.22422
Area	1.4509817463105E+15

Sphere

Radius = n

Volume	4.1577342175317E+22
Surface area	5.8039269852418E+15
Circumference	135031753.22422

Square

Length = n

Perimeter	85963884
Area	461861834522841
Diagonal	30392822.656767

Cube

Length = n

Surface area	2771171007137046
Volume	9.9258592917372E+21
Space diagonal	37223453.675989

Equilateral Triangle

Length = n

Perimeter	64472913
Area	1.9999204086763E+14
Altitude	18611726.837995

Triangular Pyramid

Length = n

Surface area	1.9999204086763E+14
Volume	1.1697737357151E+21
Height	10130940.885589