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

21072538 (number)

21072538 is an even 8-digits composite number following 21072537 and preceding 21072539. In scientific notation, it is written as 2.1072538 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10409244 positive integers (up to 21072538) that are relatively prime to 21072538.

Interesting facts

21072538 has 8 divisors, whose sum is 31989888
The reverse of 21072538 is 83527012
Previous prime number is 83

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million seventy-two thousand five hundred thirty-eight

Notation

Scientific notation	2.1072538 × 10^7
Engineering notation	2.1072538 × 10^6

Prime Factorization of 21072538

Prime Factorization 2 × 83 × 126943

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21072538	Product of the distinct prime numbers

The prime factorization of 21072538 is 2 × 83 × 126943. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 97, 44, 708, 212, 1578, 5026, 89261, 37711, 93296, 876491, 8909002, 9098896, 1133965, 24166393, 981134824, 735999511, 1545463525, 8515273660

Basic calculations (n = 21072538)

Multiplication

n×y

n×2	42145076
n×3	63217614
n×4	84290152
n×5	105362690

Division

n÷y

n÷2	10536269
n÷3	7024179.3333333
n÷3	5268134.5
n÷5	4214507.6

Exponentiation

n^y

n²	444051857761444
n³	9.3572996466486E+21
n⁴	1.9718205238139E+29
n⁵	4.1551262917248E+36

Nth Root

^y√n

²√n	4590.4834168092
³√n	276.20971423758
⁴√n	67.753106325903
⁵√n	29.157035736025

Divisors of 21072538

1, 2, 83, 166, 126943, 253886, 10536269, 21072538

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	-21072537	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 21072538 can be divided by 8 positive divisors. The sum of these divisors (counting 21072538) is 1, the average is 0.125.

Base conversion 21072538

Base	System	Value
2	Binary	1010000011000101010011010
3	Ternary	1110122121002101
4	Quaternary	1100120222122
5	Quinary	20343310123
6	Senary	2031354014
8	Octal	120305232
10	Decimal	21072538
12	Duodecimal	708290a
16	Hexadecimal	1418a9a
20	Vigesimal	6be16i
36	Base36	cjnoa

Cryptographic Hash Functions

md5	1ec51882caf5e4e3b2e3070a3f52c199
sha1	613aefeb7e6dc77fbbc18bb81690038aeb8844ac
sha256	89d16540188a548b86f39645f1f870b7c0fb8073f425749244b0546bcded2409
sha512	fd7f07b273db20fc4b5473d65b8b86ec499fe50ea0608d4b54065b57576071811d14b806bdcfa90586be492ed7e790cfd435ca4349fc0d12cdea429920fd0d59
ripemd-160	c1744babbf97afbafb97854b2e1959ddd0e6ce10

21072538 as geometric shapes

Circle

Radius = n

Diameter	42145076
Circumference	132402661.14658
Area	1.3950300541563E+15

Sphere

Radius = n

Volume	3.9195765103133E+22
Surface area	5.580120216625E+15
Circumference	132402661.14658

Square

Length = n

Perimeter	84290152
Area	444051857761444
Diagonal	29801069.033222

Cube

Length = n

Surface area	2664311146568664
Volume	9.3572996466486E+21
Space diagonal	36498706.460426

Equilateral Triangle

Length = n

Perimeter	63217614
Area	1.9228009470954E+14
Altitude	18249353.230213

Triangular Pyramid

Length = n

Surface area	1.9228009470954E+14
Volume	1.1027683389566E+21
Height	9933689.6777408