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

20984978 (number)

20984978 is an even 8-digits composite number following 20984977 and preceding 20984979. In scientific notation, it is written as 2.0984978 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 8993556 positive integers (up to 20984978) that are relatively prime to 20984978.

Interesting facts

20984978 has 8 divisors, whose sum is 35974272
The reverse of 20984978 is 87948902
Previous prime number is 7

Basic properties

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

Name

Name	twenty million nine hundred eighty-four thousand nine hundred seventy-eight

Notation

Scientific notation	2.0984978 × 10^7
Engineering notation	2.0984978 × 10^6

Prime Factorization of 20984978

Prime Factorization 2 × 7 × 1498927

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20984978	Product of the distinct prime numbers

The prime factorization of 20984978 is 2 × 7 × 1498927. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 79, 23, 364, 7, 1310, 7858, 9370, 26886, 503465, 728001, 2373289, 3772841, 70189035, 40340925, 327134083, 995548133, 8317599603, 3282152300

Basic calculations (n = 20984978)

Multiplication

n×y

n×2	41969956
n×3	62954934
n×4	83939912
n×5	104924890

Division

n÷y

n÷2	10492489
n÷3	6994992.6666667
n÷3	5246244.5
n÷5	4196995.6

Exponentiation

n^y

n²	440369301660484
n³	9.2411401072206E+21
n⁴	1.9392512184494E+29
n⁵	4.0695144155634E+36

Nth Root

^y√n

²√n	4580.9363671634
³√n	275.82661693155
⁴√n	67.682614955123
⁵√n	29.132764868388

Divisors of 20984978

1, 2, 7, 14, 1498927, 2997854, 10492489, 20984978

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	-20984977	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 20984978 can be divided by 8 positive divisors. The sum of these divisors (counting 20984978) is 1, the average is 0.125.

Base conversion 20984978

Base	System	Value
2	Binary	1010000000011010010010010
3	Ternary	1110111010222102
4	Quaternary	1100003102102
5	Quinary	20333004403
6	Senary	2025440402
8	Octal	120032222
10	Decimal	20984978
12	Duodecimal	7040102
16	Hexadecimal	1403492
20	Vigesimal	6b328i
36	Base36	chs42

Cryptographic Hash Functions

md5	4c3299f6b57f1135345e164035803448
sha1	73346d0a6cc43724b074c3c4d5b36c4911279db0
sha256	fb3df89d3c06660fdd3d29c9cc1e18c50094c8f8c9a24c68811fec578d6cc9ee
sha512	b312c38c0fcb461abf8f015505da0c3ecfdd31b532c641e4c0dc0d85ce398332b0710f8890b2ce6e3ad36fc4b146ca70c23e955638f356fd781b6066ae1a310c
ripemd-160	cb2c90268ecdb1f50c62d454a45296d8afc5972e

20984978 as geometric shapes

Circle

Radius = n

Diameter	41969956
Circumference	131852505.44109
Area	1.383460962963E+15

Sphere

Radius = n

Volume	3.8709197162184E+22
Surface area	5.5338438518522E+15
Circumference	131852505.44109

Square

Length = n

Perimeter	83939912
Area	440369301660484
Diagonal	29677240.493701

Cube

Length = n

Surface area	2642215809962904
Volume	9.2411401072206E+21
Space diagonal	36347048.091715

Equilateral Triangle

Length = n

Perimeter	62954934
Area	1.906855011424E+14
Altitude	18173524.045858

Triangular Pyramid

Length = n

Surface area	1.906855011424E+14
Volume	1.0890788059518E+21
Height	9892413.4979003