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

21006978 (number)

21006978 is an even 8-digits composite number following 21006977 and preceding 21006979. In scientific notation, it is written as 2.1006978 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 7002324 positive integers (up to 21006978) that are relatively prime to 21006978.

Interesting facts

21006978 has 8 divisors, whose sum is 42013968
The reverse of 21006978 is 87960012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	2.1006978 × 10^7
Engineering notation	2.1006978 × 10^6

Prime Factorization of 21006978

Prime Factorization 2 × 3 × 3501163

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21006978	Product of the distinct prime numbers

The prime factorization of 21006978 is 2 × 3 × 3501163. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 4, 56, 712, 231, 8364, 5685, 40111, 97840, 172371, 634367, 8624245, 775872, 14623908, 4906722, 185341094, 140562448, 2612244273, 5942292133

Basic calculations (n = 21006978)

Multiplication

n×y

n×2	42013956
n×3	63020934
n×4	84027912
n×5	105034890

Division

n÷y

n÷2	10503489
n÷3	7002326
n÷3	5251744.5
n÷5	4201395.6

Exponentiation

n^y

n²	441293124692484
n³	9.2702349619663E+21
n⁴	1.9473962190086E+29
n⁵	4.0908909529996E+36

Nth Root

^y√n

²√n	4583.3369939379
³√n	275.92297262372
⁴√n	67.700347073984
⁵√n	29.138870685868

Divisors of 21006978

1, 2, 3, 6, 3501163, 7002326, 10503489, 21006978

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	-21006977	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 21006978 can be divided by 8 positive divisors. The sum of these divisors (counting 21006978) is 1, the average is 0.125.

Base conversion 21006978

Base	System	Value
2	Binary	1010000001000101010000010
3	Ternary	1110112021011020
4	Quaternary	1100020222002
5	Quinary	20334210403
6	Senary	2030130310
8	Octal	120105202
10	Decimal	21006978
12	Duodecimal	7050996
16	Hexadecimal	1408a82
20	Vigesimal	6b5h8i
36	Base36	ci936

Cryptographic Hash Functions

md5	656c40cbb528d66ae8761113c2fc0533
sha1	2072051e1da8b378401f7ea3182f6e43ae5bca75
sha256	ce2bbb9f30dc7c08329aeb3fa7031889d03c5768c55a32c5dd4724f79c0938eb
sha512	d7464ff9c87c5bc35abd9ae0cbc7af2f03cf2f7b6e6b8c5f055def3a30a91894dc6e48a4b99030a87505fb98d52584fcc697dbad117c8ace9bf3f829654b30d4
ripemd-160	0413042b27cdf7905128949b6353913a130068e9

21006978 as geometric shapes

Circle

Radius = n

Diameter	42013956
Circumference	131990735.51784
Area	1.3863632386136E+15

Sphere

Radius = n

Volume	3.8831069404753E+22
Surface area	5.5454529544544E+15
Circumference	131990735.51784

Square

Length = n

Perimeter	84027912
Area	441293124692484
Diagonal	29708353.192073

Cube

Length = n

Surface area	2647758748154904
Volume	9.2702349619663E+21
Space diagonal	36385153.209482

Equilateral Triangle

Length = n

Perimeter	63020934
Area	1.9108552824955E+14
Altitude	18192576.604741

Triangular Pyramid

Length = n

Surface area	1.9108552824955E+14
Volume	1.0925076674665E+21
Height	9902784.3973577