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

21490845 (number)

21490845 is an odd 8-digits composite number following 21490844 and preceding 21490846. In scientific notation, it is written as 2.1490845 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 11461776 positive integers (up to 21490845) that are relatively prime to 21490845.

Interesting facts

21490845 has 4 divisors, whose sum is 22923584
The reverse of 21490845 is 54809412
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million four hundred ninety thousand eight hundred forty-five

Notation

Scientific notation	2.1490845 × 10^7
Engineering notation	2.1490845 × 10^6

Prime Factorization of 21490845

Prime Factorization 15 × 1432723

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490845	Product of the distinct prime numbers

The prime factorization of 21490845 is 15 × 1432723. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 22, 57, 453, 569, 499, 6481, 35871, 77745, 986383, 670094, 465107, 8030034, 43865000, 9432301, 216861777, 333534267, 9379853675, 1447620531

Basic calculations (n = 21490845)

Multiplication

n×y

n×2	42981690
n×3	64472535
n×4	85963380
n×5	107454225

Division

n÷y

n÷2	10745422.5
n÷3	7163615
n÷3	5372711.25
n÷5	4298169

Exponentiation

n^y

n²	461856418814025
n³	9.9256847089873E+21
n⁴	2.1331135159972E+29
n⁵	4.58424119397E+36

Nth Root

^y√n

²√n	4635.8219335949
³√n	278.02541475292
⁴√n	68.086870493473
⁵√n	29.271885545974

Divisors of 21490845

1, 15, 1432723, 21490845

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	-21490844	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 21490845 can be divided by 4 positive divisors. The sum of these divisors (counting 21490845) is 1, the average is 0.25.

Base conversion 21490845

Base	System	Value
2	Binary	1010001111110110010011101
3	Ternary	1111102211220020
4	Quaternary	1101332302131
5	Quinary	21000201340
6	Senary	2044342353
8	Octal	121766235
10	Decimal	21490845
12	Duodecimal	72449b9
16	Hexadecimal	147ec9d
20	Vigesimal	6e6725
36	Base36	csmfx

Cryptographic Hash Functions

md5	4139da77e09c757a8673f27e6876698d
sha1	1b01d2f803863be4952406e6de3cbaf46b252a44
sha256	94fb57a1cd613728f1bcd9de3befbb41786f53f213be3e5bbd5d915e20a3e4ef
sha512	c914d1d2b0e8f8e9e61fd7b43b3e9e30ef2b29dd1b379fb6a83a5a2f1807622bdaaefb8d6c202232e83ae0f79f6af54352cf4282553cff3e184c27e783e60300
ripemd-160	308fedd343f96741bf9172e9ba8b245b46040d45

21490845 as geometric shapes

Circle

Radius = n

Diameter	42981690
Circumference	135030961.54287
Area	1.4509647323594E+15

Sphere

Radius = n

Volume	4.1576610884804E+22
Surface area	5.8038589294377E+15
Circumference	135030961.54287

Square

Length = n

Perimeter	85963380
Area	461856418814025
Diagonal	30392644.465858

Cube

Length = n

Surface area	2771138512884150
Volume	9.9256847089873E+21
Space diagonal	37223235.437588

Equilateral Triangle

Length = n

Perimeter	64472535
Area	1.9998969579693E+14
Altitude	18611617.718794

Triangular Pyramid

Length = n

Surface area	1.9998969579693E+14
Volume	1.1697531609408E+21
Height	10130881.488619