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

20021961 (number)

20021961 is an odd 8-digits composite number following 20021960 and preceding 20021962. In scientific notation, it is written as 2.0021961 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13037472 positive integers (up to 20021961) that are relatively prime to 20021961.

Interesting facts

20021961 has 8 divisors, whose sum is 27316960
The reverse of 20021961 is 16912002
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty million twenty-one thousand nine hundred sixty-one

Notation

Scientific notation	2.0021961 × 10^7
Engineering notation	2.0021961 × 10^6

Prime Factorization of 20021961

Prime Factorization 3 × 43 × 155209

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20021961	Product of the distinct prime numbers

The prime factorization of 20021961 is 3 × 43 × 155209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 57, 1, 746, 287, 8210, 6474, 84629, 40153, 205880, 223745, 4928369, 9489674, 48108737, 31255231, 813449359, 7509774, 7579590862, 8405150028

Basic calculations (n = 20021961)

Multiplication

n×y

n×2	40043922
n×3	60065883
n×4	80087844
n×5	100109805

Division

n÷y

n÷2	10010980.5
n÷3	6673987
n÷3	5005490.25
n÷5	4004392.2

Exponentiation

n^y

n²	400878922285521
n³	8.0263821477227E+21
n⁴	1.607039103328E+29
n⁵	3.2176074252308E+36

Nth Root

^y√n

²√n	4474.5905957976
³√n	271.54107752589
⁴√n	66.892380700627
⁵√n	28.86033196333

Divisors of 20021961

1, 3, 43, 129, 155209, 465627, 6673987, 20021961

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	-20021960	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 20021961 can be divided by 8 positive divisors. The sum of these divisors (counting 20021961) is 1, the average is 0.125.

Base conversion 20021961

Base	System	Value
2	Binary	1001100011000001011001001
3	Ternary	1101200012222010
4	Quaternary	1030120023021
5	Quinary	20111200321
6	Senary	1553050133
8	Octal	114301311
10	Decimal	20021961
12	Duodecimal	6856949
16	Hexadecimal	13182c9
20	Vigesimal	652ei1
36	Base36	bx51l

Cryptographic Hash Functions

md5	a5326f3797ec29aa4e085accbcb24fb9
sha1	2381117f3a200123e4130f4ff5dc58da8e5fb373
sha256	5fa1954a102e87b7229938259ff7dd98f534a9f5a0854498b4b061a0d361c3ec
sha512	787d24162755435e7829300eee04db5e7933fcc9e383206e4b3b70c45a810930913774be7bfc42f1f8aca2a9cea368d4dc0bfc53f1f7c8e74b6ff1baa98f24d4
ripemd-160	5724092a10a477829e724b3c6d20a6b2dfcad5fa

20021961 as geometric shapes

Circle

Radius = n

Diameter	40043922
Circumference	125801691.17612
Area	1.2593982772312E+15

Sphere

Radius = n

Volume	3.3620830920253E+22
Surface area	5.0375931089247E+15
Circumference	125801691.17612

Square

Length = n

Perimeter	80087844
Area	400878922285521
Diagonal	28315328.791505

Cube

Length = n

Surface area	2405273533713126
Volume	8.0263821477227E+21
Space diagonal	34679053.719163

Equilateral Triangle

Length = n

Perimeter	60065883
Area	1.7358566527049E+14
Altitude	17339526.859581

Triangular Pyramid

Length = n

Surface area	1.7358566527049E+14
Volume	9.4591820750823E+20
Height	9438442.9305017