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

20122981 (number)

20122981 is an odd 8-digits composite number following 20122980 and preceding 20122982. In scientific notation, it is written as 2.0122981 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19822572 positive integers (up to 20122981) that are relatively prime to 20122981.

Interesting facts

20122981 has 4 divisors, whose sum is 20423392
The reverse of 20122981 is 18922102
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0122981 × 10^7
Engineering notation	2.0122981 × 10^6

Prime Factorization of 20122981

Prime Factorization 67 × 300343

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20122981	Product of the distinct prime numbers

The prime factorization of 20122981 is 67 × 300343. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 35, 59, 573, 358, 7887, 2167, 12018, 42175, 283840, 646738, 6573866, 1715924, 15905939, 82279948, 895033494, 200045004, 2922502716, 1452454238

Basic calculations (n = 20122981)

Multiplication

n×y

n×2	40245962
n×3	60368943
n×4	80491924
n×5	100614905

Division

n÷y

n÷2	10061490.5
n÷3	6707660.3333333
n÷3	5030745.25
n÷5	4024596.2

Exponentiation

n^y

n²	404934364326361
n³	8.1484865195864E+21
n⁴	1.6397183941239E+29
n⁵	3.2996022090307E+36

Nth Root

^y√n

²√n	4485.8645766452
³√n	271.99699481253
⁴√n	66.976597231012
⁵√n	28.889396094745

Divisors of 20122981

1, 67, 300343, 20122981

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	-20122980	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 20122981 can be divided by 4 positive divisors. The sum of these divisors (counting 20122981) is 1, the average is 0.25.

Base conversion 20122981

Base	System	Value
2	Binary	1001100110000110101100101
3	Ternary	1101212100112121
4	Quaternary	1030300311211
5	Quinary	20122413411
6	Senary	1555145541
8	Octal	114606545
10	Decimal	20122981
12	Duodecimal	68a52b1
16	Hexadecimal	1330d65
20	Vigesimal	65f791
36	Base36	bzazp

Cryptographic Hash Functions

md5	5948a74997543d517938bb854639d801
sha1	6b8831d788852e5c6e836ff66de37a46e6dda60d
sha256	e34af87927078d3d1fe8109eec3ba1f749692e5bccd6d87babf6cccea2347384
sha512	6801eeca5255d3e85bac5afde9cf16eb83488c92cadabd60bcb50a43714daa7728b6e738da75a12af5f28beb11139cc2afa9c07f46e03926be1996eb2cd914ab
ripemd-160	cbeb073775d2a1daa96dd3e256c31f548073f370

20122981 as geometric shapes

Circle

Radius = n

Diameter	40245962
Circumference	126436418.55585
Area	1.2721388241537E+15

Sphere

Radius = n

Volume	3.4132300517078E+22
Surface area	5.088555296615E+15
Circumference	126436418.55585

Square

Length = n

Perimeter	80491924
Area	404934364326361
Diagonal	28458192.645576

Cube

Length = n

Surface area	2429606185958166
Volume	8.1484865195864E+21
Space diagonal	34854025.491743

Equilateral Triangle

Length = n

Perimeter	60368943
Area	1.7534172318597E+14
Altitude	17427012.745872

Triangular Pyramid

Length = n

Surface area	1.7534172318597E+14
Volume	9.6030834573446E+20
Height	9486064.215192