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

21895989 (number)

21895989 is an odd 8-digits composite number following 21895988 and preceding 21895990. In scientific notation, it is written as 2.1895989 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 14597324 positive integers (up to 21895989) that are relatively prime to 21895989.

Interesting facts

21895989 has 4 divisors, whose sum is 29194656
The reverse of 21895989 is 98959812
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

Name	twenty-one million eight hundred ninety-five thousand nine hundred eighty-nine

Notation

Scientific notation	2.1895989 × 10^7
Engineering notation	2.1895989 × 10^6

Prime Factorization of 21895989

Prime Factorization 3 × 7298663

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21895989	Product of the distinct prime numbers

The prime factorization of 21895989 is 3 × 7298663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 3, 32, 21, 706, 359, 6546, 1839, 82398, 7007, 162370, 611209, 7635539, 8232067, 50436971, 15180535, 751801386, 664847890, 7809289189, 1558532436

Basic calculations (n = 21895989)

Multiplication

n×y

n×2	43791978
n×3	65687967
n×4	87583956
n×5	109479945

Division

n÷y

n÷2	10947994.5
n÷3	7298663
n÷3	5473997.25
n÷5	4379197.8

Exponentiation

n^y

n²	479434334288121
n³	1.0497688909795E+22
n⁴	2.2985728089429E+29
n⁵	5.0329524940314E+36

Nth Root

^y√n

²√n	4679.3150139737
³√n	279.76165516412
⁴√n	68.405518885348
⁵√n	29.381428922815

Divisors of 21895989

1, 3, 7298663, 21895989

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	-21895988	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 21895989 can be divided by 4 positive divisors. The sum of these divisors (counting 21895989) is 1, the average is 0.25.

Base conversion 21895989

Base	System	Value
2	Binary	1010011100001101100110101
3	Ternary	1112012102122120
4	Quaternary	1103201230311
5	Quinary	21101132424
6	Senary	2101150153
8	Octal	123415465
10	Decimal	21895989
12	Duodecimal	73bb359
16	Hexadecimal	14e1b35
20	Vigesimal	6ggjj9
36	Base36	d1b1x

Cryptographic Hash Functions

md5	20a25c3c0e379ff37c0e2c7ffba162d8
sha1	59b0f6bbdbae22edaebecc5f925412925802d936
sha256	4d47bcc27a16585d1ef88b8017017fab605a7ef617f51b802849fd8e4115703f
sha512	de7afb8487d0e039fe67cde9d74ff8e37921fa7ebf7a5efafb49c79320d82d4f55151f2e26658d28741d0514190f0fc83f65836ecb457cec436b19e99f6db410
ripemd-160	03151ad6fe18c59f5d72dbe88e4a3f0219972993

21895989 as geometric shapes

Circle

Radius = n

Diameter	43791978
Circumference	137576556.37097
Area	1.5061873824783E+15

Sphere

Radius = n

Volume	4.3972616478244E+22
Surface area	6.0247495299131E+15
Circumference	137576556.37097

Square

Length = n

Perimeter	87583956
Area	479434334288121
Diagonal	30965604.605372

Cube

Length = n

Surface area	2876606005728726
Volume	1.0497688909795E+22
Space diagonal	37924965.429969

Equilateral Triangle

Length = n

Perimeter	65687967
Area	2.0760115647E+14
Altitude	18962482.714985

Triangular Pyramid

Length = n

Surface area	2.0760115647E+14
Volume	1.2371645024838E+21
Height	10321868.201791