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

20210987 (number)

20210987 is an odd 8-digits composite number following 20210986 and preceding 20210988. In scientific notation, it is written as 2.0210987 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 19717992 positive integers (up to 20210987) that are relatively prime to 20210987.

Interesting facts

20210987 has 8 divisors, whose sum is 20706816
The reverse of 20210987 is 78901202
Previous prime number is 487

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million two hundred ten thousand nine hundred eighty-seven

Notation

Scientific notation	2.0210987 × 10^7
Engineering notation	2.0210987 × 10^6

Prime Factorization of 20210987

Prime Factorization 47 × 487 × 883

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20210987	Product of the distinct prime numbers

The prime factorization of 20210987 is 47 × 487 × 883. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 79, 13, 586, 498, 7534, 7270, 62191, 44033, 856004, 366509, 738136, 8983042, 1310235, 11857185, 889493044, 152992702, 1444434439, 4520543660

Basic calculations (n = 20210987)

Multiplication

n×y

n×2	40421974
n×3	60632961
n×4	80843948
n×5	101054935

Division

n÷y

n÷2	10105493.5
n÷3	6736995.6666667
n÷3	5052746.75
n÷5	4042197.4

Exponentiation

n^y

n²	408483995514169
n³	8.2558647230449E+21
n⁴	1.6685917459122E+29
n⁵	3.3723886084939E+36

Nth Root

^y√n

²√n	4495.6631323977
³√n	272.392936085
⁴√n	67.049706430362
⁵√n	28.914621027144

Divisors of 20210987

1, 47, 487, 883, 22889, 41501, 430021, 20210987

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	-20210986	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 20210987 can be divided by 8 positive divisors. The sum of these divisors (counting 20210987) is 1, the average is 0.125.

Base conversion 20210987

Base	System	Value
2	Binary	1001101000110010100101011
3	Ternary	1102000211021002
4	Quaternary	1031012110223
5	Quinary	20133222422
6	Senary	2001105215
8	Octal	115062453
10	Decimal	20210987
12	Duodecimal	692820b
16	Hexadecimal	134652b
20	Vigesimal	666797
36	Base36	c16wb

Cryptographic Hash Functions

md5	0d2ef6b4f084fb3d289304c9cb6d574a
sha1	42d26a2f2eb7c097d56b11e2bc3bb75e792b1b75
sha256	e384cfda67bb2ed9742624c467d639d796f484a2553834420ed0162c3264528c
sha512	47431c6c3868150ca35869d445b8f29e4c32755b517ebb90053d47a32f9481de98572953dd5d9b4fad4ec31dc9e213e134cb36500d3011b672d1d2e7dde2e3c3
ripemd-160	6b8335dca87773696aa48c1cdb1221da7d6b6776

20210987 as geometric shapes

Circle

Radius = n

Diameter	40421974
Circumference	126989376.562
Area	1.2832903194163E+15

Sphere

Radius = n

Volume	3.4582085283932E+22
Surface area	5.1331612776653E+15
Circumference	126989376.562

Square

Length = n

Perimeter	80843948
Area	408483995514169
Diagonal	28582651.924346

Cube

Length = n

Surface area	2450903973085014
Volume	8.2558647230449E+21
Space diagonal	35006456.355114

Equilateral Triangle

Length = n

Perimeter	60632961
Area	1.7687875857732E+14
Altitude	17503228.177557

Triangular Pyramid

Length = n

Surface area	1.7687875857732E+14
Volume	9.7296298837064E+20
Height	9527550.6414488