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

21081007 (number)

21081007 is an odd 8-digits composite number following 21081006 and preceding 21081008. In scientific notation, it is written as 2.1081007 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 21069976 positive integers (up to 21081007) that are relatively prime to 21081007.

Interesting facts

21081007 has 4 divisors, whose sum is 21092040
The reverse of 21081007 is 70018012
Previous prime number is 2459

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty-one million eighty-one thousand seven

Notation

Scientific notation	2.1081007 × 10^7
Engineering notation	2.1081007 × 10^6

Prime Factorization of 21081007

Prime Factorization 2459 × 8573

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21081007	Product of the distinct prime numbers

The prime factorization of 21081007 is 2459 × 8573. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 94, 47, 387, 501, 2737, 7553, 21207, 33744, 539947, 785296, 3570190, 6232200, 49941295, 96228522, 715209120, 272546430, 7970727629, 3400024235

Basic calculations (n = 21081007)

Multiplication

n×y

n×2	42162014
n×3	63243021
n×4	84324028
n×5	105405035

Division

n÷y

n÷2	10540503.5
n÷3	7027002.3333333
n÷3	5270251.75
n÷5	4216201.4

Exponentiation

n^y

n²	444408856134049
n³	9.3685862070239E+21
n⁴	1.9749923141037E+29
n⁵	4.1634826798567E+36

Nth Root

^y√n

²√n	4591.4057760124
³√n	276.24671194465
⁴√n	67.759912750921
⁵√n	29.159378987216

Divisors of 21081007

1, 2459, 8573, 21081007

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21081006	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081007 can be divided by 4 positive divisors. The sum of these divisors (counting 21081007) is 1, the average is 0.25.

Base conversion 21081007

Base	System	Value
2	Binary	1010000011010101110101111
3	Ternary	1110200000201001
4	Quaternary	1100122232233
5	Quinary	20344043012
6	Senary	2031501131
8	Octal	120325657
10	Decimal	21081007
12	Duodecimal	70877a7
16	Hexadecimal	141abaf
20	Vigesimal	6bf2a7
36	Base36	cju7j

Cryptographic Hash Functions

md5	a308424e807d93e9175128452ae9ed6a
sha1	3d26d429764c3da47f333f789c83a8c2b1ecd106
sha256	bfd75393278a05f9cca33ca075077ebed80ed6f9f4c577745ba1d2aa21c13120
sha512	11a9a2824f3eee149e2bc0d1146c7c8fe379582479fc38db5bfa9acd3e45387d7681c62a177d397aec677c6edcc2b3dd86206bea45a1290913b04df1596f1e3c
ripemd-160	6867b586129537d9478abc1f55609ddf81cd6743

21081007 as geometric shapes

Circle

Radius = n

Diameter	42162014
Circumference	132455873.44295
Area	1.396151597621E+15

Sphere

Radius = n

Volume	3.9243042136679E+22
Surface area	5.5846063904839E+15
Circumference	132455873.44295

Square

Length = n

Perimeter	84324028
Area	444408856134049
Diagonal	29813046.007882

Cube

Length = n

Surface area	2666453136804294
Volume	9.3685862070239E+21
Space diagonal	36513375.198715

Equilateral Triangle

Length = n

Perimeter	63243021
Area	1.9243467953944E+14
Altitude	18256687.599358

Triangular Pyramid

Length = n

Surface area	1.9243467953944E+14
Volume	1.1040984728529E+21
Height	9937682.0026274