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

21494797 (number)

21494797 is an odd 8-digits composite number following 21494796 and preceding 21494798. In scientific notation, it is written as 2.1494797 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 20994876 positive integers (up to 21494797) that are relatively prime to 21494797.

Interesting facts

21494797 has 4 divisors, whose sum is 21994720
The reverse of 21494797 is 79749412
Previous prime number is 43

Basic properties

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

Name

Name	twenty-one million four hundred ninety-four thousand seven hundred ninety-seven

Notation

Scientific notation	2.1494797 × 10^7
Engineering notation	2.1494797 × 10^6

Prime Factorization of 21494797

Prime Factorization 43 × 499879

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21494797	Product of the distinct prime numbers

The prime factorization of 21494797 is 43 × 499879. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 72, 88, 3, 324, 5388, 1193, 23493, 43578, 440848, 307146, 1844979, 4859168, 50013300, 99623266, 631187455, 166383804, 2308258640, 5711353972

Basic calculations (n = 21494797)

Multiplication

n×y

n×2	42989594
n×3	64484391
n×4	85979188
n×5	107473985

Division

n÷y

n÷2	10747398.5
n÷3	7164932.3333333
n÷3	5373699.25
n÷5	4298959.4

Exponentiation

n^y

n²	462026298071209
n³	9.9311614857021E+21
n⁴	2.1346830010939E+29
n⁵	4.5884577767863E+36

Nth Root

^y√n

²√n	4636.248159881
³√n	278.04245594876
⁴√n	68.09000043972
⁵√n	29.272962041416

Divisors of 21494797

1, 43, 499879, 21494797

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	-21494796	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 21494797 can be divided by 4 positive divisors. The sum of these divisors (counting 21494797) is 1, the average is 0.25.

Base conversion 21494797

Base	System	Value
2	Binary	1010001111111110000001101
3	Ternary	1111110001022121
4	Quaternary	1101333300031
5	Quinary	21000313142
6	Senary	2044412541
8	Octal	121776015
10	Decimal	21494797
12	Duodecimal	7247151
16	Hexadecimal	147fc0d
20	Vigesimal	6e6gjh
36	Base36	csphp

Cryptographic Hash Functions

md5	195a298c7a7fbb26b1228b6dd239a36b
sha1	5b73be877a32a0bd3dcbd9af06dc7a9c65952655
sha256	71dc0a74c9b78499c8c00283f7debb42ddd497fa216437b54029da53534d75c9
sha512	7ccaa75d344b463e8bb0c5743928a70cb20fdf1f7cf11e9608c4c1e07bae3815c3bc79a3aae38e909a70680e8e24826a0f93511a24744d93263bf18c8f03102b
ripemd-160	cefc362ef4a65e62716b305707f3fa9a992d14e0

21494797 as geometric shapes

Circle

Radius = n

Diameter	42989594
Circumference	135055792.69121
Area	1.4514984237858E+15

Sphere

Radius = n

Volume	4.1599551953461E+22
Surface area	5.8059936951432E+15
Circumference	135055792.69121

Square

Length = n

Perimeter	85979188
Area	462026298071209
Diagonal	30398233.437857

Cube

Length = n

Surface area	2772157788427254
Volume	9.9311614857021E+21
Space diagonal	37230080.502379

Equilateral Triangle

Length = n

Perimeter	64484391
Area	2.0006325567307E+14
Altitude	18615040.25119

Triangular Pyramid

Length = n

Surface area	2.0006325567307E+14
Volume	1.1703986052664E+21
Height	10132744.479286