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

20149681 (number)

20149681 is an odd 8-digits composite number following 20149680 and preceding 20149682. In scientific notation, it is written as 2.0149681 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20102500 positive integers (up to 20149681) that are relatively prime to 20149681.

Interesting facts

20149681 has 4 divisors, whose sum is 20196864
The reverse of 20149681 is 18694102
Previous prime number is 431

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million one hundred forty-nine thousand six hundred eighty-one

Notation

Scientific notation	2.0149681 × 10^7
Engineering notation	2.0149681 × 10^6

Prime Factorization of 20149681

Prime Factorization 431 × 46751

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20149681	Product of the distinct prime numbers

The prime factorization of 20149681 is 431 × 46751. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 85, 74, 892, 936, 6452, 1866, 63605, 92059, 65420, 687202, 7296031, 1059280, 18235848, 96341491, 903156414, 708998271, 2715291767, 3712612685

Basic calculations (n = 20149681)

Multiplication

n×y

n×2	40299362
n×3	60449043
n×4	80598724
n×5	100748405

Division

n÷y

n÷2	10074840.5
n÷3	6716560.3333333
n÷3	5037420.25
n÷5	4029936.2

Exponentiation

n^y

n²	406009644401761
n³	8.1809648176189E+21
n⁴	1.6484383134724E+29
n⁵	3.3215506164648E+36

Nth Root

^y√n

²√n	4488.839605065
³√n	272.11724058436
⁴√n	66.998803012181
⁵√n	28.897058357304

Divisors of 20149681

1, 431, 46751, 20149681

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	-20149680	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 20149681 can be divided by 4 positive divisors. The sum of these divisors (counting 20149681) is 1, the average is 0.25.

Base conversion 20149681

Base	System	Value
2	Binary	1001100110111010110110001
3	Ternary	1101220201011111
4	Quaternary	1030313112301
5	Quinary	20124242211
6	Senary	1555513321
8	Octal	114672661
10	Decimal	20149681
12	Duodecimal	68b8841
16	Hexadecimal	13375b1
20	Vigesimal	65ie41
36	Base36	bzvld

Cryptographic Hash Functions

md5	6011888f838102f94e8cd549c391d9d4
sha1	f0f5367a094cdcf4373a2cc8528d42af7a22d15a
sha256	626c269ac67c73e95d954de8beb1fe9bba7099d2c6326a7b48b6e41b737e2dfa
sha512	893adfc1d75ab95651ade31416ef92c5c012fa6c63526c67a5ef43abec40fb9aed2491bd7a6f8b31d48838f888f4e270b198c8b862db718adc40d1297443ed38
ripemd-160	663cf0e395172829fa906fdf5e1ede2f8dd7669d

20149681 as geometric shapes

Circle

Radius = n

Diameter	40299362
Circumference	126604179.60356
Area	1.2755169161392E+15

Sphere

Radius = n

Volume	3.4268345293744E+22
Surface area	5.1020676645567E+15
Circumference	126604179.60356

Square

Length = n

Perimeter	80598724
Area	406009644401761
Diagonal	28495952.147691

Cube

Length = n

Surface area	2436057866410566
Volume	8.1809648176189E+21
Space diagonal	34900271.248305

Equilateral Triangle

Length = n

Perimeter	60449043
Area	1.7580733311671E+14
Altitude	17450135.624153

Triangular Pyramid

Length = n

Surface area	1.7580733311671E+14
Volume	9.6413594986448E+20
Height	9498650.7158972