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

20161521 (number)

20161521 is an odd 8-digits composite number following 20161520 and preceding 20161522. In scientific notation, it is written as 2.0161521 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13440996 positive integers (up to 20161521) that are relatively prime to 20161521.

Interesting facts

20161521 has 8 divisors, whose sum is 29868960
The reverse of 20161521 is 12516102
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

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

Notation

Scientific notation	2.0161521 × 10^7
Engineering notation	2.0161521 × 10^6

Prime Factorization of 20161521

Prime Factorization 3 × 9 × 746723

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20161521	Product of the distinct prime numbers

The prime factorization of 20161521 is 3 × 9 × 746723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 50, 58, 900, 790, 7898, 5839, 84372, 94082, 374455, 275205, 467345, 1799498, 60544552, 16908683, 122406288, 461833482, 2827142425, 7898087361

Basic calculations (n = 20161521)

Multiplication

n×y

n×2	40323042
n×3	60484563
n×4	80646084
n×5	100807605

Division

n÷y

n÷2	10080760.5
n÷3	6720507
n÷3	5040380.25
n÷5	4032304.2

Exponentiation

n^y

n²	406486929033441
n³	8.1953947559332E+21
n⁴	1.6523162347504E+29
n⁵	3.3313208465561E+36

Nth Root

^y√n

²√n	4490.1582377462
³√n	272.17052905867
⁴√n	67.008643007796
⁵√n	28.900453555293

Divisors of 20161521

1, 3, 9, 27, 746723, 2240169, 6720507, 20161521

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	-20161520	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 20161521 can be divided by 8 positive divisors. The sum of these divisors (counting 20161521) is 1, the average is 0.125.

Base conversion 20161521

Base	System	Value
2	Binary	1001100111010001111110001
3	Ternary	1101221022102000
4	Quaternary	1030322033301
5	Quinary	20130132041
6	Senary	2000044213
8	Octal	114721761
10	Decimal	20161521
12	Duodecimal	6903669
16	Hexadecimal	133a3f1
20	Vigesimal	6603g1
36	Base36	c04q9

Cryptographic Hash Functions

md5	dc04cfaca1247dd3de250fd00a41e443
sha1	42107769d840ef37cdab556cc614054aaa1e4cdb
sha256	bdf25732188b8068de97c8ee661cac8395bbcdfdb55cb143eda31eeccafbe7ac
sha512	2cd76485f49f88818fee01b0d97bd8ce75223405bff79fa21df0e16b7b523a0a332a162010103807b7c6a940c6fcf98e65c41ee4ea4f3884ebdab3216dfc5284
ripemd-160	7ea16b1f74231c21ce8d526b1ea5f3a0e8921522

20161521 as geometric shapes

Circle

Radius = n

Diameter	40323042
Circumference	126678572.51759
Area	1.2770163500317E+15

Sphere

Radius = n

Volume	3.4328789278011E+22
Surface area	5.1080654001269E+15
Circumference	126678572.51759

Square

Length = n

Perimeter	80646084
Area	406486929033441
Diagonal	28512696.43627

Cube

Length = n

Surface area	2438921574200646
Volume	8.1953947559332E+21
Space diagonal	34920778.729867

Equilateral Triangle

Length = n

Perimeter	60484563
Area	1.7601400342464E+14
Altitude	17460389.364933

Triangular Pyramid

Length = n

Surface area	1.7601400342464E+14
Volume	9.6583653440351E+20
Height	9504232.1454233