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

20120981 (number)

20120981 is an odd 8-digits composite number following 20120980 and preceding 20120982. In scientific notation, it is written as 2.0120981 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19061964 positive integers (up to 20120981) that are relatively prime to 20120981.

Interesting facts

20120981 has 4 divisors, whose sum is 21180000
The reverse of 20120981 is 18902102
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.0120981 × 10^7
Engineering notation	2.0120981 × 10^6

Prime Factorization of 20120981

Prime Factorization 19 × 1058999

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20120981	Product of the distinct prime numbers

The prime factorization of 20120981 is 19 × 1058999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 13, 43, 387, 732, 8958, 6983, 18822, 43381, 765810, 569153, 7917763, 4897477, 15431663, 73496333, 235938533, 907417916, 1412529792, 3529602895

Basic calculations (n = 20120981)

Multiplication

n×y

n×2	40241962
n×3	60362943
n×4	80483924
n×5	100604905

Division

n÷y

n÷2	10060490.5
n÷3	6706993.6666667
n÷3	5030245.25
n÷5	4024196.2

Exponentiation

n^y

n²	404853876402361
n³	8.1460571548683E+21
n⁴	1.6390666123802E+29
n⁵	3.2979628165436E+36

Nth Root

^y√n

²√n	4485.6416486385
³√n	271.98798335753
⁴√n	66.974932987189
⁵√n	28.888821815125

Divisors of 20120981

1, 19, 1058999, 20120981

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	-20120980	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 20120981 can be divided by 4 positive divisors. The sum of these divisors (counting 20120981) is 1, the average is 0.25.

Base conversion 20120981

Base	System	Value
2	Binary	1001100110000010110010101
3	Ternary	1101212020210112
4	Quaternary	1030300112111
5	Quinary	20122332411
6	Senary	1555132405
8	Octal	114602625
10	Decimal	20120981
12	Duodecimal	68a4105
16	Hexadecimal	1330595
20	Vigesimal	65f291
36	Base36	bz9g5

Cryptographic Hash Functions

md5	f39c473c24ebc2f82531d9b0c4790d39
sha1	be8ab099bd905b60196c38e31807cbbd670e5723
sha256	377468e18df29a30021a47786357e900a62e8c90c7fb145016c4ca2728492bc3
sha512	99420b2d2cf44a349e4a4416ff36a3f6503cbc10e173feb1501faf7f4a20d1aa30c401edf40b7893234166536ae99ab0980dcb560f9fe9a64a45bb54002b69a5
ripemd-160	7bd062d05f8b06d7836e4442138239462151b872

20120981 as geometric shapes

Circle

Radius = n

Diameter	40241962
Circumference	126423852.18524
Area	1.271885963883E+15

Sphere

Radius = n

Volume	3.4122124417942E+22
Surface area	5.087543855532E+15
Circumference	126423852.18524

Square

Length = n

Perimeter	80483924
Area	404853876402361
Diagonal	28455364.218451

Cube

Length = n

Surface area	2429123258414166
Volume	8.1460571548683E+21
Space diagonal	34850561.390128

Equilateral Triangle

Length = n

Perimeter	60362943
Area	1.7530687089252E+14
Altitude	17425280.695064

Triangular Pyramid

Length = n

Surface area	1.7530687089252E+14
Volume	9.6002204235676E+20
Height	9485121.4061505