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

20105987 (number)

20105987 is an odd 8-digits composite number following 20105986 and preceding 20105988. In scientific notation, it is written as 2.0105987 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18278160 positive integers (up to 20105987) that are relatively prime to 20105987.

Interesting facts

20105987 has 4 divisors, whose sum is 21933816
The reverse of 20105987 is 78950102
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0105987 × 10^7
Engineering notation	2.0105987 × 10^6

Prime Factorization of 20105987

Prime Factorization 11 × 1827817

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20105987	Product of the distinct prime numbers

The prime factorization of 20105987 is 11 × 1827817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 38, 55, 456, 847, 3910, 6934, 77938, 46830, 306022, 56092, 3030351, 9060350, 50394523, 23515867, 391765703, 752469657, 1499874464, 4168987792

Basic calculations (n = 20105987)

Multiplication

n×y

n×2	40211974
n×3	60317961
n×4	80423948
n×5	100529935

Division

n÷y

n÷2	10052993.5
n÷3	6701995.6666667
n÷3	5026496.75
n÷5	4021197.4

Exponentiation

n^y

n²	404250713244169
n³	8.127859585228E+21
n⁴	1.6341863915842E+29
n⁵	3.2856930344769E+36

Nth Root

^y√n

²√n	4483.97000436
³√n	271.92040545211
⁴√n	66.962452197929
⁵√n	28.884514985685

Divisors of 20105987

1, 11, 1827817, 20105987

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	-20105986	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 20105987 can be divided by 4 positive divisors. The sum of these divisors (counting 20105987) is 1, the average is 0.25.

Base conversion 20105987

Base	System	Value
2	Binary	1001100101100101100000011
3	Ternary	1101211111020012
4	Quaternary	1030230230003
5	Quinary	20121342422
6	Senary	1554535135
8	Octal	114545403
10	Decimal	20105987
12	Duodecimal	68974ab
16	Hexadecimal	132cb03
20	Vigesimal	65d4j7
36	Base36	byxvn

Cryptographic Hash Functions

md5	82e0a7813ca54ad54527b8b1799d3f12
sha1	ae14cb5b741a682032e15038cef95a3cca8e3e77
sha256	31c5dc03f3846b89a334b887882a46b9ad67b13224ad0c2aad7a1f7732d831d9
sha512	8c0f47dba180acdf12ba4b580c25e1532435db8ccb947c5e6f1869abfe9fde42c44a61fa23c670edcab3a01462414785ef53e8aef695a1f41ced4bc74c407fa2
ripemd-160	15a99a72335476efa4ec0e88ada2c97de993502f

20105987 as geometric shapes

Circle

Radius = n

Diameter	40211974
Circumference	126329642.10474
Area	1.2699910709363E+15

Sphere

Radius = n

Volume	3.4045898616482E+22
Surface area	5.0799642837453E+15
Circumference	126329642.10474

Square

Length = n

Perimeter	80423948
Area	404250713244169
Diagonal	28434159.500297

Cube

Length = n

Surface area	2425504279465014
Volume	8.127859585228E+21
Space diagonal	34824591.020319

Equilateral Triangle

Length = n

Perimeter	60317961
Area	1.7504569358371E+14
Altitude	17412295.51016

Triangular Pyramid

Length = n

Surface area	1.7504569358371E+14
Volume	9.578774382078E+20
Height	9478053.1667657