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

21031621 (number)

21031621 is an odd 8-digits composite number following 21031620 and preceding 21031622. In scientific notation, it is written as 2.1031621 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 19413792 positive integers (up to 21031621) that are relatively prime to 21031621.

Interesting facts

21031621 has 4 divisors, whose sum is 22649452
The reverse of 21031621 is 12613012
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million thirty-one thousand six hundred twenty-one

Notation

Scientific notation	2.1031621 × 10^7
Engineering notation	2.1031621 × 10^6

Prime Factorization of 21031621

Prime Factorization 13 × 1617817

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031621	Product of the distinct prime numbers

The prime factorization of 21031621 is 13 × 1617817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 61, 74, 258, 436, 3505, 7095, 13153, 16956, 175123, 197744, 2273417, 6787031, 39988766, 643112, 504200940, 25877277, 2662166198, 9608530997

Basic calculations (n = 21031621)

Multiplication

n×y

n×2	42063242
n×3	63094863
n×4	84126484
n×5	105158105

Division

n÷y

n÷2	10515810.5
n÷3	7010540.3333333
n÷3	5257905.25
n÷5	4206324.2

Exponentiation

n^y

n²	442329081887641
n³	9.3028976075388E+21
n⁴	1.9565501668356E+29
n⁵	4.1149421576374E+36

Nth Root

^y√n

²√n	4586.0245311162
³√n	276.03082428962
⁴√n	67.720192934724
⁵√n	29.145703962738

Divisors of 21031621

1, 13, 1617817, 21031621

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21031620	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031621 can be divided by 4 positive divisors. The sum of these divisors (counting 21031621) is 1, the average is 0.25.

Base conversion 21031621

Base	System	Value
2	Binary	1010000001110101011000101
3	Ternary	1110120111221221
4	Quaternary	1100032223011
5	Quinary	20341002441
6	Senary	2030440341
8	Octal	120165305
10	Decimal	21031621
12	Duodecimal	70630b1
16	Hexadecimal	140eac5
20	Vigesimal	6b8j11
36	Base36	cis3p

Cryptographic Hash Functions

md5	ad9ec119551e003304191904a2b648f9
sha1	c47541047ad369cd9e2cf986e3e8847c7988fdae
sha256	30d8e668412a6d12463059c454f9ed1d0c2be021df45bdde81a38c820aa75d6b
sha512	c3efb9786342569cbdda905d52addee6c51012e18a2555974635fa1f1f7ad6c3f49d5f2c6bd7a1bba26912858486bf9aefb64c6a28aa10758f9614ce5882b3ac
ripemd-160	af08a95a08e11b53bdbf801a7f91a14c2b79d50d

21031621 as geometric shapes

Circle

Radius = n

Diameter	42063242
Circumference	132145572.05337
Area	1.3896177941273E+15

Sphere

Radius = n

Volume	3.8967886374589E+22
Surface area	5.5584711765093E+15
Circumference	132145572.05337

Square

Length = n

Perimeter	84126484
Area	442329081887641
Diagonal	29743203.656891

Cube

Length = n

Surface area	2653974491325846
Volume	9.3028976075388E+21
Space diagonal	36427836.137533

Equilateral Triangle

Length = n

Perimeter	63094863
Area	1.9153411087367E+14
Altitude	18213918.068766

Triangular Pyramid

Length = n

Surface area	1.9153411087367E+14
Volume	1.0963569971625E+21
Height	9914401.2189636