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

20129887 (number)

20129887 is an odd 8-digits composite number following 20129886 and preceding 20129888. In scientific notation, it is written as 2.0129887 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 18433152 positive integers (up to 20129887) that are relatively prime to 20129887.

Interesting facts

20129887 has 8 divisors, whose sum is 21890736
The reverse of 20129887 is 78892102
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.0129887 × 10^7
Engineering notation	2.0129887 × 10^6

Prime Factorization of 20129887

Prime Factorization 37 × 17 × 32003

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20129887	Product of the distinct prime numbers

The prime factorization of 20129887 is 37 × 17 × 32003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 61, 67, 719, 436, 995, 2789, 35217, 49731, 240586, 777684, 6488405, 2588382, 89866969, 32403005, 943162214, 55084266, 3621770343, 1841718481

Basic calculations (n = 20129887)

Multiplication

n×y

n×2	40259774
n×3	60389661
n×4	80519548
n×5	100649435

Division

n÷y

n÷2	10064943.5
n÷3	6709962.3333333
n÷3	5032471.75
n÷5	4025977.4

Exponentiation

n^y

n²	405212350632769
n³	8.156878829242E+21
n⁴	1.6419704910533E+29
n⁵	3.3052680442238E+36

Nth Root

^y√n

²√n	4486.6342618939
³√n	272.02810677689
⁴√n	66.982342911351
⁵√n	28.891378731285

Divisors of 20129887

1, 17, 37, 629, 32003, 544051, 1184111, 20129887

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	-20129886	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 20129887 can be divided by 8 positive divisors. The sum of these divisors (counting 20129887) is 1, the average is 0.125.

Base conversion 20129887

Base	System	Value
2	Binary	1001100110010100001011111
3	Ternary	1101212201000101
4	Quaternary	1030302201133
5	Quinary	20123124022
6	Senary	1555241531
8	Octal	114624137
10	Decimal	20129887
12	Duodecimal	68a92a7
16	Hexadecimal	133285f
20	Vigesimal	65g4e7
36	Base36	bzgbj

Cryptographic Hash Functions

md5	c8590e9959b016967ea1f2bfb9bcdd08
sha1	a920bbdfdb10b0803f303b952f0b5bd29edd915b
sha256	9e27a86b31f9c39c1191e8137f778c605a4a2e88cee8a99e1e330cebc3e26eaa
sha512	f16beb7ed5536c0e6fef3030fc3afbcf2852c78fff7709b04504474b57c5bd53f4ac0072f1a94506c16ed5dd6cf3c096fdce610f6664ed0eea093bf8283ce889
ripemd-160	8f541f99eb3fca7b2a27385075e09f383f5220d5

20129887 as geometric shapes

Circle

Radius = n

Diameter	40259774
Circumference	126479810.23359
Area	1.2730121438918E+15

Sphere

Radius = n

Volume	3.4167454141558E+22
Surface area	5.092048575567E+15
Circumference	126479810.23359

Square

Length = n

Perimeter	80519548
Area	405212350632769
Diagonal	28467959.204438

Cube

Length = n

Surface area	2431274103796614
Volume	8.156878829242E+21
Space diagonal	34865987.03462

Equilateral Triangle

Length = n

Perimeter	60389661
Area	1.7546209478759E+14
Altitude	17432993.51731

Triangular Pyramid

Length = n

Surface area	1.7546209478759E+14
Volume	9.6129738891234E+20
Height	9489319.7348126