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

21493909 (number)

21493909 is an odd 8-digits prime number following 21493908 and preceding 21493910. In scientific notation, it is written as 2.1493909 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 21493908 positive integers (up to 21493909) that are relatively prime to 21493909.

Interesting facts

21493909 has 2 divisors, whose sum is 21493910
The reverse of 21493909 is 90939412
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1493909 × 10^7
Engineering notation	2.1493909 × 10^6

Prime Factorization of 21493909

Prime Factorization 21493909

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21493909	Product of the distinct prime numbers

The prime factorization of 21493909 is 21493909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 10, 75, 85, 608, 881, 563, 7509, 81037, 55723, 434035, 869319, 5386975, 8843677, 2459373, 50538947, 172147535, 184887248, 3060201128, 9349229368

Basic calculations (n = 21493909)

Multiplication

n×y

n×2	42987818
n×3	64481727
n×4	85975636
n×5	107469545

Division

n÷y

n÷2	10746954.5
n÷3	7164636.3333333
n÷3	5373477.25
n÷5	4298781.8

Exponentiation

n^y

n²	461988124100281
n³	9.9299306984921E+21
n⁴	2.134330268097E+29
n⁵	4.5875100558422E+36

Nth Root

^y√n

²√n	4636.1523918008
³√n	278.0386270361
⁴√n	68.089297189799
⁵√n	29.272720170605

Divisors of 21493909

1, 21493909

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21493910	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10746955	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4636.1524996488	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999069504	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493909 can be divided by 2 positive divisors. The sum of these divisors (counting 21493909) is 21493910, the average is 10746955.

Base conversion 21493909

Base	System	Value
2	Binary	1010001111111100010010101
3	Ternary	1111110000002201
4	Quaternary	1101333202111
5	Quinary	21000301114
6	Senary	2044404501
8	Octal	121774225
10	Decimal	21493909
12	Duodecimal	7246731
16	Hexadecimal	147f895
20	Vigesimal	6e6ef9
36	Base36	csot1

Cryptographic Hash Functions

md5	99455ac8bfdbc2f1f11a76e667d73ca3
sha1	bb1ed5b13634ed92583d94f8991e671fab89ffcb
sha256	808b2e69f21eec9dd2a0d54cdcf0ba741e44993c9c22f2c5b17c6faa7177d69e
sha512	20f1926d8b04ca2671df3ddcaff130ec8163be4c325b9508f630a7fb5ecfdde69d66d1e69fd8d043d8b05a4278a041558d91e96d9f9440d731df99e41a20b44e
ripemd-160	7044e553c4a53a3224a52e599a811d9a60fb9ed7

21493909 as geometric shapes

Circle

Radius = n

Diameter	42987818
Circumference	135050213.22266
Area	1.4513784967192E+15

Sphere

Radius = n

Volume	4.1594396444052E+22
Surface area	5.8055139868767E+15
Circumference	135050213.22266

Square

Length = n

Perimeter	85975636
Area	461988124100281
Diagonal	30396977.616213

Cube

Length = n

Surface area	2771928744601686
Volume	9.9299306984921E+21
Space diagonal	37228542.441262

Equilateral Triangle

Length = n

Perimeter	64481727
Area	2.0004672585878E+14
Altitude	18614271.220631

Triangular Pyramid

Length = n

Surface area	2.0004672585878E+14
Volume	1.1702535556027E+21
Height	10132325.872071