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

21491005 (number)

21491005 is an odd 8-digits composite number following 21491004 and preceding 21491006. In scientific notation, it is written as 2.1491005 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 17105616 positive integers (up to 21491005) that are relatively prime to 21491005.

Interesting facts

21491005 has 8 divisors, whose sum is 25920000
The reverse of 21491005 is 50019412
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.1491005 × 10^7
Engineering notation	2.1491005 × 10^6

Prime Factorization of 21491005

Prime Factorization 5 × 199 × 21599

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491005	Product of the distinct prime numbers

The prime factorization of 21491005 is 5 × 199 × 21599. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 87, 98, 846, 821, 7698, 8088, 98514, 58390, 35905, 502606, 8366853, 307530, 10145924, 88002576, 608603595, 453224422, 9315295776, 7956743677

Basic calculations (n = 21491005)

Multiplication

n×y

n×2	42982010
n×3	64473015
n×4	85964020
n×5	107455025

Division

n÷y

n÷2	10745502.5
n÷3	7163668.3333333
n÷3	5372751.25
n÷5	4298201

Exponentiation

n^y

n²	461863295910025
n³	9.9259064017188E+21
n⁴	2.1331770410887E+29
n⁵	4.5844118455923E+36

Nth Root

^y√n

²√n	4635.8391904811
³√n	278.02610472046
⁴√n	68.086997220329
⁵√n	29.271929131861

Divisors of 21491005

1, 5, 199, 995, 21599, 107995, 4298201, 21491005

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	-21491004	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 21491005 can be divided by 8 positive divisors. The sum of these divisors (counting 21491005) is 1, the average is 0.125.

Base conversion 21491005

Base	System	Value
2	Binary	1010001111110110100111101
3	Ternary	1111102212010011
4	Quaternary	1101332310331
5	Quinary	21000203010
6	Senary	2044343221
8	Octal	121766475
10	Decimal	21491005
12	Duodecimal	7244b11
16	Hexadecimal	147ed3d
20	Vigesimal	6e67a5
36	Base36	csmkd

Cryptographic Hash Functions

md5	711d004651762151b17896737548d43d
sha1	5127fd5dc22ab5f2761cc6b54e9436bf9ba7335a
sha256	dc2b8a3c837ded274deb27402d5652faec73600f036fb11400b8a8b33cf81015
sha512	b6f068a9ab1270f2eb2e0ecbe9c1c4a3a791354b0a28a875624a2a8f1ad45b28027f9caca573a00aeed426c10a8db8f5c51952ee8930d06fcb86954ec8ffe86e
ripemd-160	530f95cd5189c11be2fa9ae4814644688b512316

21491005 as geometric shapes

Circle

Radius = n

Diameter	42982010
Circumference	135031966.85252
Area	1.4509863373937E+15

Sphere

Radius = n

Volume	4.1577539509146E+22
Surface area	5.8039453495748E+15
Circumference	135031966.85252

Square

Length = n

Perimeter	85964020
Area	461863295910025
Diagonal	30392870.740028

Cube

Length = n

Surface area	2771179775460150
Volume	9.9259064017188E+21
Space diagonal	37223512.565717

Equilateral Triangle

Length = n

Perimeter	64473015
Area	1.9999267366685E+14
Altitude	18611756.282858

Triangular Pyramid

Length = n

Surface area	1.9999267366685E+14
Volume	1.1697792876797E+21
Height	10130956.913343