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

21939989 (number)

21939989 is an odd 8-digits composite number following 21939988 and preceding 21939990. In scientific notation, it is written as 2.1939989 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 21883200 positive integers (up to 21939989) that are relatively prime to 21939989.

Interesting facts

21939989 has 4 divisors, whose sum is 21996780
The reverse of 21939989 is 98993912
Previous prime number is 389

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

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

Notation

Scientific notation	2.1939989 × 10^7
Engineering notation	2.1939989 × 10^6

Prime Factorization of 21939989

Prime Factorization 389 × 56401

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21939989	Product of the distinct prime numbers

The prime factorization of 21939989 is 389 × 56401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 70, 57, 169, 293, 5014, 9551, 28070, 80582, 719345, 417332, 1571669, 9949540, 93541283, 18118355, 370987613, 386331634, 1136099278, 2371985544

Basic calculations (n = 21939989)

Multiplication

n×y

n×2	43879978
n×3	65819967
n×4	87759956
n×5	109699945

Division

n÷y

n÷2	10969994.5
n÷3	7313329.6666667
n÷3	5484997.25
n÷5	4387997.8

Exponentiation

n^y

n²	481363117320121
n³	1.0561101499009E+22
n⁴	2.3171045071614E+29
n⁵	5.0837247398973E+36

Nth Root

^y√n

²√n	4684.0141972458
³√n	279.94892350652
⁴√n	68.439858249749
⁵√n	29.393227841646

Divisors of 21939989

1, 389, 56401, 21939989

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	-21939988	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 21939989 can be divided by 4 positive divisors. The sum of these divisors (counting 21939989) is 1, the average is 0.25.

Base conversion 21939989

Base	System	Value
2	Binary	1010011101100011100010101
3	Ternary	1112021200000012
4	Quaternary	1103230130111
5	Quinary	21104034424
6	Senary	2102130005
8	Octal	123543425
10	Decimal	21939989
12	Duodecimal	7420905
16	Hexadecimal	14ec715
20	Vigesimal	6h29j9
36	Base36	d2905

Cryptographic Hash Functions

md5	1cd352aef3868e30594e0e39048ecf17
sha1	3e52bb29129aa3269f1171311c69f63f54e86901
sha256	a84b5baac0573ad59df65fdb32c56aa9b3389fc6fbf55a98b8c09fee2d28c6b7
sha512	b95d339092a29437c8bfcb15f7a06f69968579e67e4eac6c984b8da9dc8dfa3df1350f4e29f32c2904954ccbe720dd0bd9b3e711b9bd747fcf2eec1719da4a9d
ripemd-160	6f5760d9e25a392d2d19a73c412c0fe9f9bd72fd

21939989 as geometric shapes

Circle

Radius = n

Diameter	43879978
Circumference	137853016.52448
Area	1.512246833082E+15

Sphere

Radius = n

Volume	4.4238238510804E+22
Surface area	6.0489873323279E+15
Circumference	137853016.52448

Square

Length = n

Perimeter	87759956
Area	481363117320121
Diagonal	31027830.002117

Cube

Length = n

Surface area	2888178703920726
Volume	1.0561101499009E+22
Space diagonal	38001175.665502

Equilateral Triangle

Length = n

Perimeter	65819967
Area	2.0843634402205E+14
Altitude	19000587.832751

Triangular Pyramid

Length = n

Surface area	2.0843634402205E+14
Volume	1.2446377477915E+21
Height	10342610.000706