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

21001521 (number)

21001521 is an odd 8-digits composite number following 21001520 and preceding 21001522. In scientific notation, it is written as 2.1001521 × 10^7. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 13990320 positive integers (up to 21001521) that are relatively prime to 21001521.

Interesting facts

21001521 has 8 divisors, whose sum is 28023424
The reverse of 21001521 is 12510012
Previous prime number is 2287

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3

Name

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

Notation

Scientific notation	2.1001521 × 10^7
Engineering notation	2.1001521 × 10^6

Prime Factorization of 21001521

Prime Factorization 3 × 2287 × 3061

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21001521	Product of the distinct prime numbers

The prime factorization of 21001521 is 3 × 2287 × 3061. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 39, 98, 622, 368, 4208, 6608, 10490, 94961, 583707, 200686, 7322632, 3673367, 31463077, 77739741, 197833945, 736335502, 3482797661, 160949112

Basic calculations (n = 21001521)

Multiplication

n×y

n×2	42003042
n×3	63004563
n×4	84006084
n×5	105007605

Division

n÷y

n÷2	10500760.5
n÷3	7000507
n÷3	5250380.25
n÷5	4200304.2

Exponentiation

n^y

n²	441063884313441
n³	9.2630124287503E+21
n⁴	1.9453735004566E+29
n⁵	4.0855802422683E+36

Nth Root

^y√n

²√n	4582.7416466565
³√n	275.89907830853
⁴√n	67.695950001876
⁵√n	29.137356642844

Divisors of 21001521

1, 3, 2287, 3061, 6861, 9183, 7000507, 21001521

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	-21001520	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 21001521 can be divided by 8 positive divisors. The sum of these divisors (counting 21001521) is 1, the average is 0.125.

Base conversion 21001521

Base	System	Value
2	Binary	1010000000111010100110001
3	Ternary	1110111222200010
4	Quaternary	1100013110301
5	Quinary	20334022041
6	Senary	2030045133
8	Octal	120072461
10	Decimal	21001521
12	Duodecimal	70497a9
16	Hexadecimal	1407531
20	Vigesimal	6b53g1
36	Base36	ci4vl

Cryptographic Hash Functions

md5	65135b8c3693b35e699644918bfe434d
sha1	3c09e774a9fc587bbcef504d2ead11f301adcab6
sha256	cafe2038b8087da0ac3ba94e055119196d6616a33cfc852c59eb3459bb6a438a
sha512	21ea5aff83d51bb19c1a0ae5077ee0a410cdb1eb23c5109f846267aa58414b857d50f7f299163c66218be7306b9186e10485ed0dbf30bc3983e6d7d363498fc9
ripemd-160	ac1813a87943ab521e9d4fd7cfb402442079d3a7

21001521 as geometric shapes

Circle

Radius = n

Diameter	42003042
Circumference	131956448.17562
Area	1.3856430587229E+15

Sphere

Radius = n

Volume	3.8800815728364E+22
Surface area	5.5425722348915E+15
Circumference	131956448.17562

Square

Length = n

Perimeter	84006084
Area	441063884313441
Diagonal	29700635.828663

Cube

Length = n

Surface area	2646383305880646
Volume	9.2630124287503E+21
Space diagonal	36375701.408225

Equilateral Triangle

Length = n

Perimeter	63004563
Area	1.9098626425364E+14
Altitude	18187850.704112

Triangular Pyramid

Length = n

Surface area	1.9098626425364E+14
Volume	1.0916564837641E+21
Height	9900211.9428878