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

20231981 (number)

20231981 is an odd 8-digits composite number following 20231980 and preceding 20231982. In scientific notation, it is written as 2.0231981 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 15606000 positive integers (up to 20231981) that are relatively prime to 20231981.

Interesting facts

20231981 has 8 divisors, whose sum is 23151744
The reverse of 20231981 is 18913202
Previous prime number is 1133

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.0231981 × 10^7
Engineering notation	2.0231981 × 10^6

Prime Factorization of 20231981

Prime Factorization 7 × 1133 × 2551

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20231981	Product of the distinct prime numbers

The prime factorization of 20231981 is 7 × 1133 × 2551. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 3, 40, 606, 137, 2191, 5926, 30813, 31097, 520159, 624400, 9043294, 3895374, 92807673, 14093601, 359141624, 281193096, 8988115619, 7299011993

Basic calculations (n = 20231981)

Multiplication

n×y

n×2	40463962
n×3	60695943
n×4	80927924
n×5	101159905

Division

n÷y

n÷2	10115990.5
n÷3	6743993.6666667
n÷3	5057995.25
n÷5	4046396.2

Exponentiation

n^y

n²	409333055184361
n³	8.2816185951619E+21
n⁴	1.6755355006656E+29
n⁵	3.3899402414293E+36

Nth Root

^y√n

²√n	4497.9974433074
³√n	272.48721877039
⁴√n	67.067111487729
⁵√n	28.920625498775

Divisors of 20231981

1, 7, 1133, 2551, 7931, 17857, 2890283, 20231981

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	-20231980	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 20231981 can be divided by 8 positive divisors. The sum of these divisors (counting 20231981) is 1, the average is 0.125.

Base conversion 20231981

Base	System	Value
2	Binary	1001101001011011100101101
3	Ternary	1102001220001122
4	Quaternary	1031023130231
5	Quinary	20134410411
6	Senary	2001350325
8	Octal	115133455
10	Decimal	20231981
12	Duodecimal	69383a5
16	Hexadecimal	134b72d
20	Vigesimal	668jj1
36	Base36	c1n3h

Cryptographic Hash Functions

md5	579fdc0155b655dfe0bda3aad2bfea0f
sha1	c85ec9ee10e10aac6154bde53867a350c21346a5
sha256	dbbae141093a6f90ab53392a438fb1bdbd44c55aeea8646f3a575861a96006fc
sha512	57c09babf17c6baa5a76b92dbd4a94762b6942d7fdf98da8d004de7141b087d29a1ec7649ba9bd4f0bd9214924b5b059c3311f750a0416082270397ee833c79d
ripemd-160	adac266427a88fcd12260a5ecb94663c5c60219d

20231981 as geometric shapes

Circle

Radius = n

Diameter	40463962
Circumference	127121285.75434
Area	1.2859577190387E+15

Sphere

Radius = n

Volume	3.4689962851191E+22
Surface area	5.1438308761546E+15
Circumference	127121285.75434

Square

Length = n

Perimeter	80927924
Area	409333055184361
Diagonal	28612341.923875

Cube

Length = n

Surface area	2455998331106166
Volume	8.2816185951619E+21
Space diagonal	35042819.029768

Equilateral Triangle

Length = n

Perimeter	60695943
Area	1.7724641219918E+14
Altitude	17521409.514884

Triangular Pyramid

Length = n

Surface area	1.7724641219918E+14
Volume	9.759981113066E+20
Height	9537447.3079583