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

21031521 (number)

21031521 is an odd 8-digits composite number following 21031520 and preceding 21031522. In scientific notation, it is written as 2.1031521 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 12018000 positive integers (up to 21031521) that are relatively prime to 21031521.

Interesting facts

21031521 has 8 divisors, whose sum is 32048064
The reverse of 21031521 is 12513012
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

Name	twenty-one million thirty-one thousand five hundred twenty-one

Notation

Scientific notation	2.1031521 × 10^7
Engineering notation	2.1031521 × 10^6

Prime Factorization of 21031521

Prime Factorization 3 × 7 × 1001501

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031521	Product of the distinct prime numbers

The prime factorization of 21031521 is 3 × 7 × 1001501. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 49, 40, 192, 655, 5507, 868, 71656, 664, 934481, 252253, 9570087, 3320269, 53774382, 44863603, 935647012, 57218539, 1350192909, 6338143902

Basic calculations (n = 21031521)

Multiplication

n×y

n×2	42063042
n×3	63094563
n×4	84126084
n×5	105157605

Division

n÷y

n÷2	10515760.5
n÷3	7010507
n÷3	5257880.25
n÷5	4206304.2

Exponentiation

n^y

n²	442324875573441
n³	9.3027649094452E+21
n⁴	1.9565129555106E+29
n⁵	4.1148443310593E+36

Nth Root

^y√n

²√n	4586.0136284141
³√n	276.03038680351
⁴√n	67.720112436514
⁵√n	29.145676246606

Divisors of 21031521

1, 3, 7, 21, 1001501, 3004503, 7010507, 21031521

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	-21031520	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 21031521 can be divided by 8 positive divisors. The sum of these divisors (counting 21031521) is 1, the average is 0.125.

Base conversion 21031521

Base	System	Value
2	Binary	1010000001110101001100001
3	Ternary	1110120111211020
4	Quaternary	1100032221201
5	Quinary	20341002041
6	Senary	2030440053
8	Octal	120165141
10	Decimal	21031521
12	Duodecimal	7063029
16	Hexadecimal	140ea61
20	Vigesimal	6b8ig1
36	Base36	cis0x

Cryptographic Hash Functions

md5	9088955121b2400bf3faf5df525c8c00
sha1	beb627b464af86ea6b14174d7e11e6b909076d2a
sha256	22fd612c3932b616af22ff2c3e33d785f21621514e32b426365d02990b78d725
sha512	fd14ef8a82f973d765c02434962703792b2cd787ecd428cb6e542b0f522c2b923e9bb0681ffa1ae256188e8fa67f8e1db15adb4b966b5646c21ada7c4d1fa164
ripemd-160	68dcf280bf19e001c432bfb91fc452e91269af57

21031521 as geometric shapes

Circle

Radius = n

Diameter	42063042
Circumference	132144943.73484
Area	1.3896045796015E+15

Sphere

Radius = n

Volume	3.8967330530115E+22
Surface area	5.5584183184062E+15
Circumference	132144943.73484

Square

Length = n

Perimeter	84126084
Area	442324875573441
Diagonal	29743062.235535

Cube

Length = n

Surface area	2653949253440646
Volume	9.3027649094452E+21
Space diagonal	36427662.932452

Equilateral Triangle

Length = n

Perimeter	63094563
Area	1.915322894862E+14
Altitude	18213831.466226

Triangular Pyramid

Length = n

Surface area	1.915322894862E+14
Volume	1.0963413585422E+21
Height	9914354.0785115