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

20921521 (number)

20921521 is an odd 8-digits composite number following 20921520 and preceding 20921522. In scientific notation, it is written as 2.0921521 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19934880 positive integers (up to 20921521) that are relatively prime to 20921521.

Interesting facts

20921521 has 8 divisors, whose sum is 21932064
The reverse of 20921521 is 12512902
Previous prime number is 41

Basic properties

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

Name

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

Notation

Scientific notation	2.0921521 × 10^7
Engineering notation	2.0921521 × 10^6

Prime Factorization of 20921521

Prime Factorization 43 × 41 × 11867

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20921521	Product of the distinct prime numbers

The prime factorization of 20921521 is 43 × 41 × 11867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 16, 65, 468, 480, 5246, 1912, 67412, 24635, 609715, 713093, 3964144, 181265, 55006874, 84960149, 755513489, 133798159, 979305536, 7248281333

Basic calculations (n = 20921521)

Multiplication

n×y

n×2	41843042
n×3	62764563
n×4	83686084
n×5	104607605

Division

n÷y

n÷2	10460760.5
n÷3	6973840.3333333
n÷3	5230380.25
n÷5	4184304.2

Exponentiation

n^y

n²	437710040953441
n³	9.1575598137183E+21
n⁴	1.9159007995146E+29
n⁵	4.0083558810962E+36

Nth Root

^y√n

²√n	4574.0049191054
³√n	275.54830988025
⁴√n	67.631390042682
⁵√n	29.115124458841

Divisors of 20921521

1, 41, 43, 1763, 11867, 486547, 510281, 20921521

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	-20921520	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 20921521 can be divided by 8 positive divisors. The sum of these divisors (counting 20921521) is 1, the average is 0.125.

Base conversion 20921521

Base	System	Value
2	Binary	1001111110011110010110001
3	Ternary	1110100220221011
4	Quaternary	1033303302301
5	Quinary	20323442041
6	Senary	2024230521
8	Octal	117636261
10	Decimal	20921521
12	Duodecimal	700b441
16	Hexadecimal	13f3cb1
20	Vigesimal	6af3g1
36	Base36	cgf5d

Cryptographic Hash Functions

md5	0f6adcba36aa881187f7eaead40aadce
sha1	adc924a077d32c0316f821d7b275523573db7ec5
sha256	734a11a74678921a0db85e719be28959add7e3186c6203bb3d6c16b396343661
sha512	e711da3987ae26f790d3fcc9ce8f486586e120f161ff7442414f2bd3f762e676201a0c5d86874d4e2ca8f0d93f51c53d9369047387301d90c676e1cb6a117483
ripemd-160	e1367e26bb7ca479d1fac3550af5026cf66c96a5

20921521 as geometric shapes

Circle

Radius = n

Diameter	41843042
Circumference	131453793.35105
Area	1.3751066490618E+15

Sphere

Radius = n

Volume	3.8359096847449E+22
Surface area	5.5004265962473E+15
Circumference	131453793.35105

Square

Length = n

Perimeter	83686084
Area	437710040953441
Diagonal	29587498.743674

Cube

Length = n

Surface area	2626260245720646
Volume	9.1575598137183E+21
Space diagonal	36237137.343619

Equilateral Triangle

Length = n

Perimeter	62764563
Area	1.895340074786E+14
Altitude	18118568.67181

Triangular Pyramid

Length = n

Surface area	1.895340074786E+14
Volume	1.0792287739003E+21
Height	9862499.5812245