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

20107981 (number)

20107981 is an odd 8-digits composite number following 20107980 and preceding 20107982. In scientific notation, it is written as 2.0107981 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19824700 positive integers (up to 20107981) that are relatively prime to 20107981.

Interesting facts

20107981 has 4 divisors, whose sum is 20391264
The reverse of 20107981 is 18970102
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0107981 × 10^7
Engineering notation	2.0107981 × 10^6

Prime Factorization of 20107981

Prime Factorization 71 × 283211

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20107981	Product of the distinct prime numbers

The prime factorization of 20107981 is 71 × 283211. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 75, 32, 538, 573, 5674, 4532, 22792, 35387, 576066, 153859, 1505339, 6905786, 11579272, 43171106, 557238442, 234989512, 7040647746, 9040640880

Basic calculations (n = 20107981)

Multiplication

n×y

n×2	40215962
n×3	60323943
n×4	80431924
n×5	100539905

Division

n÷y

n÷2	10053990.5
n÷3	6702660.3333333
n÷3	5026995.25
n÷5	4021596.2

Exponentiation

n^y

n²	404330899896361
n³	8.1302780528289E+21
n⁴	1.63483476611E+29
n⁵	3.287322641508E+36

Nth Root

^y√n

²√n	4484.1923464544
³√n	271.9293943396
⁴√n	66.964112377111
⁵√n	28.885087884078

Divisors of 20107981

1, 71, 283211, 20107981

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	-20107980	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 20107981 can be divided by 4 positive divisors. The sum of these divisors (counting 20107981) is 1, the average is 0.25.

Base conversion 20107981

Base	System	Value
2	Binary	1001100101101001011001101
3	Ternary	1101211120222001
4	Quaternary	1030231023031
5	Quinary	20121423411
6	Senary	1554552301
8	Octal	114551315
10	Decimal	20107981
12	Duodecimal	6898691
16	Hexadecimal	132d2cd
20	Vigesimal	65d9j1
36	Base36	byzf1

Cryptographic Hash Functions

md5	b0b86b3ac104e96155f12021eefafea2
sha1	6781eaaa6933bbaf66b94a977bc729a574adb2ec
sha256	3e0528ef9320d19363c1705549b55b316bfbffb0946e4181503c4d2dc30728b2
sha512	3c44e5393ee2c4926a2300b90cc4aa752d9411423ce8f9dc64f3cdfed969fbc0087c8adc15b1d31e0121e1a0a58720bfd6b1b940ee85ddd1d6a61ebc106911b7
ripemd-160	a386b300059b2dc60d92720c4ac11b484bfa6cf8

20107981 as geometric shapes

Circle

Radius = n

Diameter	40215962
Circumference	126342170.77625
Area	1.2702429847338E+15

Sphere

Radius = n

Volume	3.405602906988E+22
Surface area	5.080971938935E+15
Circumference	126342170.77625

Square

Length = n

Perimeter	80431924
Area	404330899896361
Diagonal	28436979.442141

Cube

Length = n

Surface area	2425985399378166
Volume	8.1302780528289E+21
Space diagonal	34828044.72963

Equilateral Triangle

Length = n

Perimeter	60323943
Area	1.7508041542264E+14
Altitude	17414022.364815

Triangular Pyramid

Length = n

Surface area	1.7508041542264E+14
Volume	9.5816245734792E+20
Height	9478993.1473802