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

20121749 (number)

20121749 is an odd 8-digits composite number following 20121748 and preceding 20121750. In scientific notation, it is written as 2.0121749 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20106240 positive integers (up to 20121749) that are relatively prime to 20121749.

Interesting facts

20121749 has 4 divisors, whose sum is 20137260
The reverse of 20121749 is 94712102
Previous prime number is 1429

Basic properties

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

Name

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

Notation

Scientific notation	2.0121749 × 10^7
Engineering notation	2.0121749 × 10^6

Prime Factorization of 20121749

Prime Factorization 1429 × 14081

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121749	Product of the distinct prime numbers

The prime factorization of 20121749 is 1429 × 14081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 73, 17, 288, 862, 4561, 4229, 12105, 31246, 970091, 187785, 5875871, 9655433, 8205432, 65115564, 372824637, 958909615, 1138544122, 1335279791

Basic calculations (n = 20121749)

Multiplication

n×y

n×2	40243498
n×3	60365247
n×4	80486996
n×5	100608745

Division

n÷y

n÷2	10060874.5
n÷3	6707249.6666667
n÷3	5030437.25
n÷5	4024349.8

Exponentiation

n^y

n²	404884782819001
n³	8.1469899738035E+21
n⁴	1.6393168735839E+29
n⁵	3.298592266172E+36

Nth Root

^y√n

²√n	4485.7272543034
³√n	271.99144382688
⁴√n	66.97557207149
⁵√n	28.8890423439

Divisors of 20121749

1, 1429, 14081, 20121749

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	-20121748	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 20121749 can be divided by 4 positive divisors. The sum of these divisors (counting 20121749) is 1, the average is 0.25.

Base conversion 20121749

Base	System	Value
2	Binary	1001100110000100010010101
3	Ternary	1101212021211222
4	Quaternary	1030300202111
5	Quinary	20122343444
6	Senary	1555140125
8	Octal	114604225
10	Decimal	20121749
12	Duodecimal	68a4645
16	Hexadecimal	1330895
20	Vigesimal	65f479
36	Base36	bza1h

Cryptographic Hash Functions

md5	99c82dfef4f2a62724fca62cfb1b2170
sha1	bc8b55ffdd86df5ec6928d6a736c90fa737316d8
sha256	73f929eabcad1b757f187eefa265bb0efe3454785a2c8b9aa9ba11f9c38e5e95
sha512	fda0d47002dc34f30f0632ff10c08f73a4a6f9f80b207c809a2ce3f8bf01948a2811a54333bcbd351dc4ee1f6fdb27b2ade4819bcc461ebb7ae98b0d760b0064
ripemd-160	865d79e0a1b370a4f8f16d9091cc328e11621e4d

20121749 as geometric shapes

Circle

Radius = n

Diameter	40243498
Circumference	126428677.67156
Area	1.2719830592545E+15

Sphere

Radius = n

Volume	3.4126031800761E+22
Surface area	5.0879322370179E+15
Circumference	126428677.67156

Square

Length = n

Perimeter	80486996
Area	404884782819001
Diagonal	28456450.334467

Cube

Length = n

Surface area	2429308696914006
Volume	8.1469899738035E+21
Space diagonal	34851891.605148

Equilateral Triangle

Length = n

Perimeter	60365247
Area	1.753202537635E+14
Altitude	17425945.802574

Triangular Pyramid

Length = n

Surface area	1.753202537635E+14
Volume	9.6013197612254E+20
Height	9485483.4448224