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

21001639 (number)

21001639 is an odd 8-digits composite number following 21001638 and preceding 21001640. In scientific notation, it is written as 2.1001639 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20805256 positive integers (up to 21001639) that are relatively prime to 21001639.

Interesting facts

21001639 has 4 divisors, whose sum is 21198024
The reverse of 21001639 is 93610012
Previous prime number is 107

Basic properties

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

Name

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

Notation

Scientific notation	2.1001639 × 10^7
Engineering notation	2.1001639 × 10^6

Prime Factorization of 21001639

Prime Factorization 107 × 196277

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21001639	Product of the distinct prime numbers

The prime factorization of 21001639 is 107 × 196277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 72, 45, 824, 641, 4535, 9193, 60245, 38392, 705920, 997242, 7184441, 7282052, 46132910, 73647391, 181392014, 821696951, 4730455345, 5514296007

Basic calculations (n = 21001639)

Multiplication

n×y

n×2	42003278
n×3	63004917
n×4	84006556
n×5	105008195

Division

n÷y

n÷2	10500819.5
n÷3	7000546.3333333
n÷3	5250409.75
n÷5	4200327.8

Exponentiation

n^y

n²	441068840686321
n³	9.2631685662426E+21
n⁴	1.9454172222438E+29
n⁵	4.0856950205946E+36

Nth Root

^y√n

²√n	4582.7545210277
³√n	275.89959503349
⁴√n	67.69604509148
⁵√n	29.137389385238

Divisors of 21001639

1, 107, 196277, 21001639

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	-21001638	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 21001639 can be divided by 4 positive divisors. The sum of these divisors (counting 21001639) is 1, the average is 0.25.

Base conversion 21001639

Base	System	Value
2	Binary	1010000000111010110100111
3	Ternary	1110111222211111
4	Quaternary	1100013112213
5	Quinary	20334023024
6	Senary	2030045451
8	Octal	120072647
10	Decimal	21001639
12	Duodecimal	7049887
16	Hexadecimal	14075a7
20	Vigesimal	6b541j
36	Base36	ci4yv

Cryptographic Hash Functions

md5	1654f66e8f8568d353eda2821434ed27
sha1	3714209e4a41ba5939d74247f593603b26dd9825
sha256	bc7fd80d9832746fa5def0566571fe070dbec7f6a7495ab8984d5c2a11768fba
sha512	d33a0890c5babef9e67ac0879a279955e048465fdcb9495241ac5fefc9fda6df6e163919ad1ea582003ed2b22bb86a6d333ee910c280df73cc60ccc6ac95042f
ripemd-160	b3146a7becdb56d4634cfbb2bd3338007f597782

21001639 as geometric shapes

Circle

Radius = n

Diameter	42003278
Circumference	131957189.59149
Area	1.3856586296275E+15

Sphere

Radius = n

Volume	3.8801469755562E+22
Surface area	5.5426345185101E+15
Circumference	131957189.59149

Square

Length = n

Perimeter	84006556
Area	441068840686321
Diagonal	29700802.705864

Cube

Length = n

Surface area	2646413044117926
Volume	9.2631685662426E+21
Space diagonal	36375905.79022

Equilateral Triangle

Length = n

Perimeter	63004917
Area	1.9098841042605E+14
Altitude	18187952.89511

Triangular Pyramid

Length = n

Surface area	1.9098841042605E+14
Volume	1.091674884744E+21
Height	9900267.5686212