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

21459991 (number)

21459991 is an odd 8-digits composite number following 21459990 and preceding 21459992. In scientific notation, it is written as 2.1459991 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 18394236 positive integers (up to 21459991) that are relatively prime to 21459991.

Interesting facts

21459991 has 4 divisors, whose sum is 21898000
The reverse of 21459991 is 19995412
Previous prime number is 49

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.1459991 × 10^7
Engineering notation	2.1459991 × 10^6

Prime Factorization of 21459991

Prime Factorization 49 × 437959

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21459991	Product of the distinct prime numbers

The prime factorization of 21459991 is 49 × 437959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 8, 96, 429, 799, 8207, 79, 16170, 80416, 955035, 448858, 6124448, 1680428, 4845692, 18914874, 907005323, 681618637, 8285577254, 6743213859

Basic calculations (n = 21459991)

Multiplication

n×y

n×2	42919982
n×3	64379973
n×4	85839964
n×5	107299955

Division

n÷y

n÷2	10729995.5
n÷3	7153330.3333333
n÷3	5364997.75
n÷5	4291998.2

Exponentiation

n^y

n²	460531213720081
n³	9.882995701652E+21
n⁴	2.1208899881049E+29
n⁵	4.5514280056721E+36

Nth Root

^y√n

²√n	4632.4929573611
³√n	277.89229908423
⁴√n	68.062419567343
⁵√n	29.263475696471

Divisors of 21459991

1, 49, 437959, 21459991

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	-21459990	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 21459991 can be divided by 4 positive divisors. The sum of these divisors (counting 21459991) is 1, the average is 0.25.

Base conversion 21459991

Base	System	Value
2	Binary	1010001110111010000010111
3	Ternary	1111101021120111
4	Quaternary	1101313100113
5	Quinary	20443204431
6	Senary	2043543451
8	Octal	121672027
10	Decimal	21459991
12	Duodecimal	722ab87
16	Hexadecimal	1477417
20	Vigesimal	6e29jb
36	Base36	crymv

Cryptographic Hash Functions

md5	4f129f3085038e379babf60d42f5966e
sha1	a5ac1b235c7e1e345fb1da832f5ec73c8341477a
sha256	62ab71e549d50bd91eff1ee0d6e10982ae943a388e92a2b33154cc76e42a1f71
sha512	0e608498fb549f465afe03571be753d5ef83c5f850171d2152b1d4367fafac3a4552989a64f51b80a21961edd90c18808eda8c461fab80fdf9f7df383ddbe186
ripemd-160	0c7eb4465bd80ff575d51a0bfc1da7dd91fc5c51

21459991 as geometric shapes

Circle

Radius = n

Diameter	42919982
Circumference	134837100.14341
Area	1.4468014777718E+15

Sphere

Radius = n

Volume	4.1397795589026E+22
Surface area	5.7872059110872E+15
Circumference	134837100.14341

Square

Length = n

Perimeter	85839964
Area	460531213720081
Diagonal	30349010.320605

Cube

Length = n

Surface area	2763187282320486
Volume	9.882995701652E+21
Space diagonal	37169794.741971

Equilateral Triangle

Length = n

Perimeter	64379973
Area	1.9941586515864E+14
Altitude	18584897.370985

Triangular Pyramid

Length = n

Surface area	1.9941586515864E+14
Volume	1.1647222131793E+21
Height	10116336.773535