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

21409989 (number)

21409989 is an odd 8-digits composite number following 21409988 and preceding 21409990. In scientific notation, it is written as 2.1409989 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 14273324 positive integers (up to 21409989) that are relatively prime to 21409989.

Interesting facts

21409989 has 4 divisors, whose sum is 28546656
The reverse of 21409989 is 98990412
Previous prime number is 3

Basic properties

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

Name

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

Notation

Scientific notation	2.1409989 × 10^7
Engineering notation	2.1409989 × 10^6

Prime Factorization of 21409989

Prime Factorization 3 × 7136663

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21409989	Product of the distinct prime numbers

The prime factorization of 21409989 is 3 × 7136663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 8, 49, 539, 55, 1843, 811, 22573, 39192, 453530, 438766, 9718975, 9676548, 78229279, 8335767, 978756889, 927571211, 1573153601, 3771639189

Basic calculations (n = 21409989)

Multiplication

n×y

n×2	42819978
n×3	64229967
n×4	85639956
n×5	107049945

Division

n÷y

n÷2	10704994.5
n÷3	7136663
n÷3	5352497.25
n÷5	4281997.8

Exponentiation

n^y

n²	458387628980121
n³	9.8140740942005E+21
n⁴	2.1011921840202E+29
n⁵	4.4986501546758E+36

Nth Root

^y√n

²√n	4627.0929318526
³√n	277.67630059827
⁴√n	68.022738344267
⁵√n	29.249826129144

Divisors of 21409989

1, 3, 7136663, 21409989

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	-21409988	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 21409989 can be divided by 4 positive divisors. The sum of these divisors (counting 21409989) is 1, the average is 0.25.

Base conversion 21409989

Base	System	Value
2	Binary	1010001101011000011000101
3	Ternary	1111021201222120
4	Quaternary	1101223003011
5	Quinary	20440104424
6	Senary	2042520153
8	Octal	121530305
10	Decimal	21409989
12	Duodecimal	7206059
16	Hexadecimal	146b0c5
20	Vigesimal	6dg4j9
36	Base36	cqw1x

Cryptographic Hash Functions

md5	b1f45c92bd2272975612f308d5df66c0
sha1	c3e9db714317f2ead33e25b2bd69fcb4abe02414
sha256	78fef631e9f5b746c0157063b0131dd25e6ced19d6f53a0abb0a93e13eefb572
sha512	0a5cf367b35bf1d65069f23e9f428d32b635f4a5d95f50da1c792916bd8a1c2396e249eac6eee4551671800b22de6a413a7478203a4fcbbf9c6774d3ab88fe7f
ripemd-160	9280d69df5e2040e19b1556fe3eb0abb9437dcfb

21409989 as geometric shapes

Circle

Radius = n

Diameter	42819978
Circumference	134522928.31168
Area	1.4400672077004E+15

Sphere

Radius = n

Volume	4.1109097434835E+22
Surface area	5.7602688308016E+15
Circumference	134522928.31168

Square

Length = n

Perimeter	85639956
Area	458387628980121
Diagonal	30278296.814059

Cube

Length = n

Surface area	2750325773880726
Volume	9.8140740942005E+21
Space diagonal	37083188.737491

Equilateral Triangle

Length = n

Perimeter	64229967
Area	1.9848766573865E+14
Altitude	18541594.368745

Triangular Pyramid

Length = n

Surface area	1.9848766573865E+14
Volume	1.1565997238461E+21
Height	10092765.604686