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

21921421 (number)

21921421 is an odd 8-digits composite number following 21921420 and preceding 21921422. In scientific notation, it is written as 2.1921421 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20767644 positive integers (up to 21921421) that are relatively prime to 21921421.

Interesting facts

21921421 has 4 divisors, whose sum is 23075200
The reverse of 21921421 is 12412912
Previous prime number is 19

Basic properties

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

Name

Name	twenty-one million nine hundred twenty-one thousand four hundred twenty-one

Notation

Scientific notation	2.1921421 × 10^7
Engineering notation	2.1921421 × 10^6

Prime Factorization of 21921421

Prime Factorization 19 × 1153759

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21921421	Product of the distinct prime numbers

The prime factorization of 21921421 is 19 × 1153759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 57, 14, 678, 341, 6572, 8668, 9167, 25089, 350938, 914952, 7041584, 5070181, 36233387, 18171832, 932808480, 421350326, 3776565503, 6506816627

Basic calculations (n = 21921421)

Multiplication

n×y

n×2	43842842
n×3	65764263
n×4	87685684
n×5	109607105

Division

n÷y

n÷2	10960710.5
n÷3	7307140.3333333
n÷3	5480355.25
n÷5	4384284.2

Exponentiation

n^y

n²	480548698659241
n³	1.0534310334311E+22
n⁴	2.3092705178309E+29
n⁵	5.0622491224259E+36

Nth Root

^y√n

²√n	4682.0317171074
³√n	279.86992682915
⁴√n	68.425373342843
⁵√n	29.388251008653

Divisors of 21921421

1, 19, 1153759, 21921421

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	-21921420	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 21921421 can be divided by 4 positive divisors. The sum of these divisors (counting 21921421) is 1, the average is 0.25.

Base conversion 21921421

Base	System	Value
2	Binary	1010011100111111010001101
3	Ternary	1112020201112111
4	Quaternary	1103213322031
5	Quinary	21102441141
6	Senary	2101504021
8	Octal	123477215
10	Decimal	21921421
12	Duodecimal	7412011
16	Hexadecimal	14e7e8d
20	Vigesimal	6h03b1
36	Base36	d1uod

Cryptographic Hash Functions

md5	b7483c5c0b0dd442f97b801240115f51
sha1	514c8aaace1fa0beee22d8dbfbff628cf1aa22ca
sha256	885830e7d8940251126a29001ac1c4f68aedadae60cddb24b9353846f5f921a0
sha512	cc50bbc40a0a5187883d1685f66ee22d3a7a4e3b949e28934cf1e72be588e31d6fb62ae52a73eda740ed4de5e702f5ee9da97862021be6d2082e028336f6b5a8
ripemd-160	21dc86ce88f496903e428456bd655aa06f5c874e

21921421 as geometric shapes

Circle

Radius = n

Diameter	43842842
Circumference	137736350.3397
Area	1.5096882614E+15

Sphere

Radius = n

Volume	4.4126015942543E+22
Surface area	6.0387530456E+15
Circumference	137736350.3397

Square

Length = n

Perimeter	87685684
Area	480548698659241
Diagonal	31001570.88469

Cube

Length = n

Surface area	2883292191955446
Volume	1.0534310334311E+22
Space diagonal	37969014.946107

Equilateral Triangle

Length = n

Perimeter	65764263
Area	2.0808369039723E+14
Altitude	18984507.473054

Triangular Pyramid

Length = n

Surface area	2.0808369039723E+14
Volume	1.2414803787525E+21
Height	10333856.961563