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

20121745 (number)

20121745 is an odd 8-digits composite number following 20121744 and preceding 20121746. In scientific notation, it is written as 2.0121745 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 13797744 positive integers (up to 20121745) that are relatively prime to 20121745.

Interesting facts

20121745 has 8 divisors, whose sum is 27595584
The reverse of 20121745 is 54712102
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million one hundred twenty-one thousand seven hundred forty-five

Notation

Scientific notation	2.0121745 × 10^7
Engineering notation	2.0121745 × 10^6

Prime Factorization of 20121745

Prime Factorization 7 × 5 × 574907

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121745	Product of the distinct prime numbers

The prime factorization of 20121745 is 7 × 5 × 574907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 2, 70, 62, 236, 864, 4385, 8219, 96078, 35528, 946958, 754849, 1817681, 7750521, 7803410, 99053695, 49180771, 422028738, 7268103093, 873872509

Basic calculations (n = 20121745)

Multiplication

n×y

n×2	40243490
n×3	60365235
n×4	80486980
n×5	100608725

Division

n÷y

n÷2	10060872.5
n÷3	6707248.3333333
n÷3	5030436.25
n÷5	4024349

Exponentiation

n^y

n²	404884621845025
n³	8.146985115187E+21
n⁴	1.6393155700659E+29
n⁵	3.2985889875395E+36

Nth Root

^y√n

²√n	4485.7268084448
³√n	271.99142580383
⁴√n	66.975568742973
⁵√n	28.88904119533

Divisors of 20121745

1, 5, 7, 35, 574907, 2874535, 4024349, 20121745

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	-20121744	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 20121745 can be divided by 8 positive divisors. The sum of these divisors (counting 20121745) is 1, the average is 0.125.

Base conversion 20121745

Base	System	Value
2	Binary	1001100110000100010010001
3	Ternary	1101212021211211
4	Quaternary	1030300202101
5	Quinary	20122343440
6	Senary	1555140121
8	Octal	114604221
10	Decimal	20121745
12	Duodecimal	68a4641
16	Hexadecimal	1330891
20	Vigesimal	65f475
36	Base36	bza1d

Cryptographic Hash Functions

md5	ea7380d72216d7d2d8bc85aa1626eb7c
sha1	42167533d23bd39967b80f3c048447f8ac370814
sha256	8860f5f097831e7f28332f65b8e8e359884ec99afcc530557e8c77691b14c6c8
sha512	73b896d040d35eb705518dd63277c23c4102bff37d7c8ddfa728232f3358e294f67779ebc03b5f65d3f7baccda3187468ddcce855c8f265769b3c8fb1c028f8e
ripemd-160	e35a4ff5c17569fa2ee03814dff4368e31d3476a

20121745 as geometric shapes

Circle

Radius = n

Diameter	40243490
Circumference	126428652.53881
Area	1.2719825535398E+15

Sphere

Radius = n

Volume	3.4126011449036E+22
Surface area	5.0879302141592E+15
Circumference	126428652.53881

Square

Length = n

Perimeter	80486980
Area	404884621845025
Diagonal	28456444.677613

Cube

Length = n

Surface area	2429307731070150
Volume	8.146985115187E+21
Space diagonal	34851884.676945

Equilateral Triangle

Length = n

Perimeter	60365235
Area	1.7532018405972E+14
Altitude	17425942.338473

Triangular Pyramid

Length = n

Surface area	1.7532018405972E+14
Volume	9.601314035291E+20
Height	9485481.5592043