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

21541921 (number)

21541921 is an odd 8-digits prime number following 21541920 and preceding 21541922. In scientific notation, it is written as 2.1541921 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21541920 positive integers (up to 21541921) that are relatively prime to 21541921.

Interesting facts

21541921 has 2 divisors, whose sum is 21541922
The reverse of 21541921 is 12914512
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.1541921 × 10^7
Engineering notation	2.1541921 × 10^6

Prime Factorization of 21541921

Prime Factorization 21541921

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21541921	Product of the distinct prime numbers

The prime factorization of 21541921 is 21541921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 10, 39, 33, 454, 775, 8829, 8013, 29413, 63622, 215005, 384761, 4492187, 456043, 79318946, 75066614, 944726502, 869644920, 4431540229, 7766880778

Basic calculations (n = 21541921)

Multiplication

n×y

n×2	43083842
n×3	64625763
n×4	86167684
n×5	107709605

Division

n÷y

n÷2	10770960.5
n÷3	7180640.3333333
n÷3	5385480.25
n÷5	4308384.2

Exponentiation

n^y

n²	464054360370241
n³	9.9966223708013E+21
n⁴	2.1534644937863E+29
n⁵	4.638976200145E+36

Nth Root

^y√n

²√n	4641.3275040661
³√n	278.24549592621
⁴√n	68.127288982214
⁵√n	29.285786083925

Divisors of 21541921

1, 21541921

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21541922	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10770961	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4641.3276117938	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999071578	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21541921 can be divided by 2 positive divisors. The sum of these divisors (counting 21541921) is 21541922, the average is 10770961.

Base conversion 21541921

Base	System	Value
2	Binary	1010010001011010000100001
3	Ternary	1111112102221221
4	Quaternary	1102023100201
5	Quinary	21003320141
6	Senary	2045415041
8	Octal	122132041
10	Decimal	21541921
12	Duodecimal	726a481
16	Hexadecimal	148b421
20	Vigesimal	6eceg1
36	Base36	ctpup

Cryptographic Hash Functions

md5	e66d5e9553a358951ae7dc78c6ac39f3
sha1	f956056055de234d4194185a4bdecf0b3f8e1a73
sha256	d36641036e33fdf38181a3eef3e247799134d42f965ce9d70b3aff26fcc650ca
sha512	489bc9d72d70b3f1032bef11c7776b052837340eab48d87708c428b3b26fceee0a6f4368f482624e639af8923437fb79f5a6dc041bdec8426b52b8f76161f305
ripemd-160	e463c2ec72b387caf36ab6096e41d774c1aaa3cb

21541921 as geometric shapes

Circle

Radius = n

Diameter	43083842
Circumference	135351881.51562
Area	1.4578697694055E+15

Sphere

Radius = n

Volume	4.1873753867761E+22
Surface area	5.8314790776218E+15
Circumference	135351881.51562

Square

Length = n

Perimeter	86167684
Area	464054360370241
Diagonal	30464876.83777

Cube

Length = n

Surface area	2784326162221446
Volume	9.9966223708013E+21
Space diagonal	37311701.664635

Equilateral Triangle

Length = n

Perimeter	64625763
Area	2.0094143240878E+14
Altitude	18655850.832317

Triangular Pyramid

Length = n

Surface area	2.0094143240878E+14
Volume	1.1781132445591E+21
Height	10154958.945923