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

21904989 (number)

21904989 is an odd 8-digits composite number following 21904988 and preceding 21904990. In scientific notation, it is written as 2.1904989 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 14355696 positive integers (up to 21904989) that are relatively prime to 21904989.

Interesting facts

21904989 has 8 divisors, whose sum is 29701920
The reverse of 21904989 is 98940912
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.1904989 × 10^7
Engineering notation	2.1904989 × 10^6

Prime Factorization of 21904989

Prime Factorization 3 × 59 × 123757

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21904989	Product of the distinct prime numbers

The prime factorization of 21904989 is 3 × 59 × 123757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 81, 55, 272, 593, 2294, 3005, 61511, 145, 867041, 396651, 4933028, 5739360, 13196422, 91678816, 435200831, 266747913, 8492227946, 2411179207

Basic calculations (n = 21904989)

Multiplication

n×y

n×2	43809978
n×3	65714967
n×4	87619956
n×5	109524945

Division

n÷y

n÷2	10952494.5
n÷3	7301663
n÷3	5476247.25
n÷5	4380997.8

Exponentiation

n^y

n²	479828543090121
n³	1.0510638958275E+22
n⁴	2.3023543076399E+29
n⁵	5.0433045782954E+36

Nth Root

^y√n

²√n	4680.2765943905
³√n	279.79998044827
⁴√n	68.412547053816
⁵√n	29.383843880136

Divisors of 21904989

1, 3, 59, 177, 123757, 371271, 7301663, 21904989

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	-21904988	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 21904989 can be divided by 8 positive divisors. The sum of these divisors (counting 21904989) is 1, the average is 0.125.

Base conversion 21904989

Base	System	Value
2	Binary	1010011100011111001011101
3	Ternary	1112012212222220
4	Quaternary	1103203321131
5	Quinary	21101424424
6	Senary	2101255553
8	Octal	123437135
10	Decimal	21904989
12	Duodecimal	74045b9
16	Hexadecimal	14e3e5d
20	Vigesimal	6gi299
36	Base36	d1hzx

Cryptographic Hash Functions

md5	8ff2c0d4ed1788ba61e8d5b01deca006
sha1	9d75fec0b5e30ef17e8aff9f8e0a1a5cc1c43f8b
sha256	6753268ee3647fc181654c810ecca67d1eb3da706915e1ebb5a0381899d5d1a6
sha512	bede1762f3b6751910fa80244576115e62806b81ad3c790b8abcbdee960d8d7bee3bba2e7dc1bd21f8d16f49e6e35a0bccaea7593ad7592f14f9b4274dc8b7a3
ripemd-160	1533205edf569306cc6b062220b0e67beeb2ef6c

21904989 as geometric shapes

Circle

Radius = n

Diameter	43809978
Circumference	137633105.03873
Area	1.5074258259546E+15

Sphere

Radius = n

Volume	4.4026861514469E+22
Surface area	6.0297033038185E+15
Circumference	137633105.03873

Square

Length = n

Perimeter	87619956
Area	479828543090121
Diagonal	30978332.527433

Cube

Length = n

Surface area	2878971258540726
Volume	1.0510638958275E+22
Space diagonal	37940553.887237

Equilateral Triangle

Length = n

Perimeter	65714967
Area	2.0777185388846E+14
Altitude	18970276.943619

Triangular Pyramid

Length = n

Surface area	2.0777185388846E+14
Volume	1.2386906803333E+21
Height	10326110.842478