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

21006979 (number)

21006979 is an odd 8-digits composite number following 21006978 and preceding 21006980. In scientific notation, it is written as 2.1006979 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 17341632 positive integers (up to 21006979) that are relatively prime to 21006979.

Interesting facts

21006979 has 16 divisors, whose sum is 24910848
The reverse of 21006979 is 97960012
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million six thousand nine hundred seventy-nine

Notation

Scientific notation	2.1006979 × 10^7
Engineering notation	2.1006979 × 10^6

Prime Factorization of 21006979

Prime Factorization 7 × 47 × 67 × 953

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21006979	Product of the distinct prime numbers

The prime factorization of 21006979 is 7 × 47 × 67 × 953. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 48, 51, 951, 193, 22, 3212, 73819, 30983, 223639, 399003, 4998999, 8585449, 98913289, 11244569, 338908915, 705185290, 9699520792, 1347272856

Basic calculations (n = 21006979)

Multiplication

n×y

n×2	42013958
n×3	63020937
n×4	84027916
n×5	105034895

Division

n÷y

n÷2	10503489.5
n÷3	7002326.3333333
n÷3	5251744.75
n÷5	4201395.8

Exponentiation

n^y

n²	441293166706441
n³	9.2702362858457E+21
n⁴	1.947396589818E+29
n⁵	4.0908919266978E+36

Nth Root

^y√n

²√n	4583.3371030288
³√n	275.922977002
⁴√n	67.700347879673
⁵√n	29.138870963289

Divisors of 21006979

1, 7, 47, 67, 329, 469, 953, 3149, 6671, 22043, 44791, 63851, 313537, 446957, 3000997, 21006979

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21006978	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006979 can be divided by 16 positive divisors. The sum of these divisors (counting 21006979) is 1, the average is 0.0625.

Base conversion 21006979

Base	System	Value
2	Binary	1010000001000101010000011
3	Ternary	1110112021011021
4	Quaternary	1100020222003
5	Quinary	20334210404
6	Senary	2030130311
8	Octal	120105203
10	Decimal	21006979
12	Duodecimal	7050997
16	Hexadecimal	1408a83
20	Vigesimal	6b5h8j
36	Base36	ci937

Cryptographic Hash Functions

md5	f333ded1d93674c6b6e7261c8f0a782f
sha1	688d6eeadaa856d02de44525c545bd5c5b963364
sha256	244f73b3815a38237472b0caf453c5a50b05ae133d1ca6ca3052eed70a56305d
sha512	3fafda9465c38eb40b0f50057d02dba967e60b5387161c4bd12cd956aaa91b96e4ccb68a10a857bafd7bd180fa866e0975326680f882f3d34d3abf56d677dcdc
ripemd-160	ceedc7c56cce3df9772aeb46aae42bee7769a490

21006979 as geometric shapes

Circle

Radius = n

Diameter	42013958
Circumference	131990741.80103
Area	1.3863633706043E+15

Sphere

Radius = n

Volume	3.8831074950206E+22
Surface area	5.5454534824173E+15
Circumference	131990741.80103

Square

Length = n

Perimeter	84027916
Area	441293166706441
Diagonal	29708354.606287

Cube

Length = n

Surface area	2647759000238646
Volume	9.2702362858457E+21
Space diagonal	36385154.941532

Equilateral Triangle

Length = n

Perimeter	63020937
Area	1.9108554644213E+14
Altitude	18192577.470766

Triangular Pyramid

Length = n

Surface area	1.9108554644213E+14
Volume	1.0925078234872E+21
Height	9902784.8687623