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

21297989 (number)

21297989 is an odd 8-digits composite number following 21297988 and preceding 21297990. In scientific notation, it is written as 2.1297989 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 21266124 positive integers (up to 21297989) that are relatively prime to 21297989.

Interesting facts

21297989 has 4 divisors, whose sum is 21329856
The reverse of 21297989 is 98979212
Previous prime number is 683

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	twenty-one million two hundred ninety-seven thousand nine hundred eighty-nine

Notation

Scientific notation	2.1297989 × 10^7
Engineering notation	2.1297989 × 10^6

Prime Factorization of 21297989

Prime Factorization 683 × 31183

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21297989	Product of the distinct prime numbers

The prime factorization of 21297989 is 683 × 31183. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 96, 5, 678, 294, 5626, 5806, 36113, 62393, 950235, 641309, 16270, 9392696, 62214423, 28775453, 897996377, 965447009, 7050559990, 7302835934

Basic calculations (n = 21297989)

Multiplication

n×y

n×2	42595978
n×3	63893967
n×4	85191956
n×5	106489945

Division

n÷y

n÷2	10648994.5
n÷3	7099329.6666667
n÷3	5324497.25
n÷5	4259597.8

Exponentiation

n^y

n²	453604335444121
n³	9.6608601466412E+21
n⁴	2.057568931337E+29
n⁵	4.3822080466358E+36

Nth Root

^y√n

²√n	4614.9744311318
³√n	277.19126012616
⁴√n	67.933603107238
⁵√n	29.219159536564

Divisors of 21297989

1, 683, 31183, 21297989

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	-21297988	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 21297989 can be divided by 4 positive divisors. The sum of these divisors (counting 21297989) is 1, the average is 0.25.

Base conversion 21297989

Base	System	Value
2	Binary	1010001001111101101000101
3	Ternary	1111002001100102
4	Quaternary	1101033231011
5	Quinary	20423013424
6	Senary	2040253445
8	Octal	121175505
10	Decimal	21297989
12	Duodecimal	7171285
16	Hexadecimal	144fb45
20	Vigesimal	6d24j9
36	Base36	cohmt

Cryptographic Hash Functions

md5	a2cf212a22e5860dc067254dfe330e4c
sha1	9dcc485b34bc82935a97926bb64eae2afe33f4ca
sha256	0fb48c60577ed3dc2de2ce13c7f41f3b2f09003798f8493b804021230f8c1d96
sha512	24c0fdf35fa295f83ac4b45e27f8849825380b6664cfdc1acc82a897422400fcf7874507465275764d55df76f58807374b76d03d9690b45a819af6114ae60079
ripemd-160	6ac3377dee909cbbff0355cc65e02e08e60b4b1c

21297989 as geometric shapes

Circle

Radius = n

Diameter	42595978
Circumference	133819211.55727
Area	1.4250400478677E+15

Sphere

Radius = n

Volume	4.0467316352062E+22
Surface area	5.7001601914709E+15
Circumference	133819211.55727

Square

Length = n

Perimeter	85191956
Area	453604335444121
Diagonal	30119904.895073

Cube

Length = n

Surface area	2721626012664726
Volume	9.6608601466412E+21
Space diagonal	36889199.047043

Equilateral Triangle

Length = n

Perimeter	63893967
Area	1.9641643888068E+14
Altitude	18444599.523522

Triangular Pyramid

Length = n

Surface area	1.9641643888068E+14
Volume	1.1385432869641E+21
Height	10039968.298358