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

20149945 (number)

20149945 is an odd 8-digits composite number following 20149944 and preceding 20149946. In scientific notation, it is written as 2.0149945 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16066224 positive integers (up to 20149945) that are relatively prime to 20149945.

Interesting facts

20149945 has 8 divisors, whose sum is 24260544
The reverse of 20149945 is 54994102
Previous prime number is 307

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.0149945 × 10^7
Engineering notation	2.0149945 × 10^6

Prime Factorization of 20149945

Prime Factorization 5 × 307 × 13127

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20149945	Product of the distinct prime numbers

The prime factorization of 20149945 is 5 × 307 × 13127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 21, 51, 378, 874, 4446, 6961, 66944, 34299, 248938, 814740, 1776397, 7324187, 95243760, 47185066, 270351849, 919173774, 3342510763, 1380206851

Basic calculations (n = 20149945)

Multiplication

n×y

n×2	40299890
n×3	60449835
n×4	80599780
n×5	100749725

Division

n÷y

n÷2	10074972.5
n÷3	6716648.3333333
n÷3	5037486.25
n÷5	4029989

Exponentiation

n^y

n²	406020283503025
n³	8.1812863814704E+21
n⁴	1.6485247061588E+29
n⁵	3.321768216024E+36

Nth Root

^y√n

²√n	4488.8690112321
³√n	272.11842900082
⁴√n	66.99902246475
⁵√n	28.897134078437

Divisors of 20149945

1, 5, 307, 1535, 13127, 65635, 4029989, 20149945

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	-20149944	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 20149945 can be divided by 8 positive divisors. The sum of these divisors (counting 20149945) is 1, the average is 0.125.

Base conversion 20149945

Base	System	Value
2	Binary	1001100110111011010111001
3	Ternary	1101220201112021
4	Quaternary	1030313122321
5	Quinary	20124244240
6	Senary	1555514441
8	Octal	114673271
10	Decimal	20149945
12	Duodecimal	68b8a21
16	Hexadecimal	13376b9
20	Vigesimal	65ieh5
36	Base36	bzvsp

Cryptographic Hash Functions

md5	153f54b27c34dd4bfd317d9644960c23
sha1	c1f708a133728a48da6f03a01a9e388bd4c1b676
sha256	1e969ee6fa94f37b21191912f4c4a65e77d18151cffe34f9efdbf381c5be69c7
sha512	50d007d7bc25420e8e3dad52237e3129e3b9900c0d1cbbac920720f071ee86b6574272a0b9d467cf051aace718f7a8c17aa8ede908c5d283f55e13b1e8fd43d4
ripemd-160	85669b77bf7dd5949e45c0ec3c4d2694bf642818

20149945 as geometric shapes

Circle

Radius = n

Diameter	40299890
Circumference	126605838.36448
Area	1.2755503398615E+15

Sphere

Radius = n

Volume	3.4269692257255E+22
Surface area	5.1022013594462E+15
Circumference	126605838.36448

Square

Length = n

Perimeter	80599780
Area	406020283503025
Diagonal	28496325.500072

Cube

Length = n

Surface area	2436121701018150
Volume	8.1812863814704E+21
Space diagonal	34900728.509718

Equilateral Triangle

Length = n

Perimeter	60449835
Area	1.7581193998269E+14
Altitude	17450364.254859

Triangular Pyramid

Length = n

Surface area	1.7581193998269E+14
Volume	9.6417384652781E+20
Height	9498775.1666906