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

21489946 (number)

21489946 is an even 8-digits composite number following 21489945 and preceding 21489947. In scientific notation, it is written as 2.1489946 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 10738368 positive integers (up to 21489946) that are relatively prime to 21489946.

Interesting facts

21489946 has 8 divisors, whose sum is 32254740
The reverse of 21489946 is 64998412
Previous prime number is 3709

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty-one million four hundred eighty-nine thousand nine hundred forty-six

Notation

Scientific notation	2.1489946 × 10^7
Engineering notation	2.1489946 × 10^6

Prime Factorization of 21489946

Prime Factorization 2 × 3709 × 2897

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21489946	Product of the distinct prime numbers

The prime factorization of 21489946 is 2 × 3709 × 2897. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 62, 90, 737, 810, 4866, 9004, 84416, 68349, 862520, 94528, 5171011, 3624390, 34034696, 17773894, 535281356, 894667644, 8252624854, 8876372393

Basic calculations (n = 21489946)

Multiplication

n×y

n×2	42979892
n×3	64469838
n×4	85959784
n×5	107449730

Division

n÷y

n÷2	10744973
n÷3	7163315.3333333
n÷3	5372486.5
n÷5	4297989.2

Exponentiation

n^y

n²	461817779082916
n³	9.9244391343318E+21
n⁴	2.1327566107708E+29
n⁵	4.5832824396607E+36

Nth Root

^y√n

²√n	4635.7249702716
³√n	278.02153793416
⁴√n	68.086158433794
⁵√n	29.271640642943

Divisors of 21489946

1, 2, 2897, 3709, 5794, 7418, 10744973, 21489946

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21489945	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21489946 can be divided by 8 positive divisors. The sum of these divisors (counting 21489946) is 1, the average is 0.125.

Base conversion 21489946

Base	System	Value
2	Binary	1010001111110100100011010
3	Ternary	1111102210122221
4	Quaternary	1101332210122
5	Quinary	21000134241
6	Senary	2044334254
8	Octal	121764432
10	Decimal	21489946
12	Duodecimal	724438a
16	Hexadecimal	147e91a
20	Vigesimal	6e64h6
36	Base36	cslqy

Cryptographic Hash Functions

md5	80f4af6fed518e59c606574c34dfa2a7
sha1	044b63f74ed840ee06d878c492bb4a7fb9b2738f
sha256	6277fa2d8f749084db336a2abfb8a3c8ec2fa4e6979623e146c63f39bf2a71ac
sha512	63eb494dccddab2fe24ab68efb0f40466f02c333d9f789394b7acd8c0381700a34b667c4b95d0e0d3b450d128926bc778bca77a449b14fd15fabb9a1af020512
ripemd-160	476d74dbdaf3d57aac0344e48bc3545122b74004

21489946 as geometric shapes

Circle

Radius = n

Diameter	42979892
Circumference	135025312.95928
Area	1.450843342064E+15

Sphere

Radius = n

Volume	4.1571393433888E+22
Surface area	5.8033733682562E+15
Circumference	135025312.95928

Square

Length = n

Perimeter	85959784
Area	461817779082916
Diagonal	30391373.087865

Cube

Length = n

Surface area	2770906674497496
Volume	9.9244391343318E+21
Space diagonal	37221678.323912

Equilateral Triangle

Length = n

Perimeter	64469838
Area	1.9997296430256E+14
Altitude	18610839.161956

Triangular Pyramid

Length = n

Surface area	1.9997296430256E+14
Volume	1.1696063685599E+21
Height	10130457.695955