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

21143985 (number)

21143985 is an odd 8-digits composite number following 21143984 and preceding 21143986. In scientific notation, it is written as 2.1143985 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 11194560 positive integers (up to 21143985) that are relatively prime to 21143985.

Interesting facts

21143985 has 16 divisors, whose sum is 34077120
The reverse of 21143985 is 58934112
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million one hundred forty-three thousand nine hundred eighty-five

Notation

Scientific notation	2.1143985 × 10^7
Engineering notation	2.1143985 × 10^6

Prime Factorization of 21143985

Prime Factorization 3 × 5 × 139 × 10141

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21143985	Product of the distinct prime numbers

The prime factorization of 21143985 is 3 × 5 × 139 × 10141. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 82, 62, 785, 893, 64, 6040, 86325, 77225, 243181, 6787, 8041264, 1023455, 27894379, 99328610, 628566471, 122175973, 3879567863, 330204366

Basic calculations (n = 21143985)

Multiplication

n×y

n×2	42287970
n×3	63431955
n×4	84575940
n×5	105719925

Division

n÷y

n÷2	10571992.5
n÷3	7047995
n÷3	5285996.25
n÷5	4228797

Exponentiation

n^y

n²	447068101680225
n³	9.4528012359052E+21
n⁴	1.9986988753996E+29
n⁵	4.2260459040966E+36

Nth Root

^y√n

²√n	4598.2589096309
³√n	276.52152755727
⁴√n	67.810463127978
⁵√n	29.176780516948

Divisors of 21143985

1, 3, 5, 15, 139, 417, 695, 2085, 10141, 30423, 50705, 152115, 1409599, 4228797, 7047995, 21143985

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21143984	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21143985 can be divided by 16 positive divisors. The sum of these divisors (counting 21143985) is 1, the average is 0.0625.

Base conversion 21143985

Base	System	Value
2	Binary	1010000101010000110110001
3	Ternary	1110210020002120
4	Quaternary	1100222012301
5	Quinary	20403101420
6	Senary	2033104453
8	Octal	120520661
10	Decimal	21143985
12	Duodecimal	70b8129
16	Hexadecimal	142a1b1
20	Vigesimal	6c2jj5
36	Base36	cl6sx

Cryptographic Hash Functions

md5	5b1dea52d5ab96544d5d5a228d1c7c61
sha1	256f0a3dd190d96808e897d6d29a256641b3e0f1
sha256	08b418e38da08fd572da36e1a8a117d30691a27c005ed97f4297dfc4b827eea8
sha512	3666f2c3b9aaaba74f82d14476fe0ec929b55a636259a81de31ee31ad49566778b00403903e53e361f36dbd750156df7c2534a795f0928fe546866a6bf345fac
ripemd-160	864c9dedcb1d88d39fbcb40adc61d93dcaf819b9

21143985 as geometric shapes

Circle

Radius = n

Diameter	42287970
Circumference	132851575.88723
Area	1.4045058638929E+15

Sphere

Radius = n

Volume	3.9595801224752E+22
Surface area	5.6180234555717E+15
Circumference	132851575.88723

Square

Length = n

Perimeter	84575940
Area	447068101680225
Diagonal	29902110.349613

Cube

Length = n

Surface area	2682408610081350
Volume	9.4528012359052E+21
Space diagonal	36622456.294474

Equilateral Triangle

Length = n

Perimeter	63431955
Area	1.9358616663838E+14
Altitude	18311228.147237

Triangular Pyramid

Length = n

Surface area	1.9358616663838E+14
Volume	1.1140233091862E+21
Height	9967370.1165378