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

20943987 (number)

20943987 is an odd 8-digits composite number following 20943986 and preceding 20943988. In scientific notation, it is written as 2.0943987 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 13962656 positive integers (up to 20943987) that are relatively prime to 20943987.

Interesting facts

20943987 has 4 divisors, whose sum is 27925320
The reverse of 20943987 is 78934902
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twenty million nine hundred forty-three thousand nine hundred eighty-seven

Notation

Scientific notation	2.0943987 × 10^7
Engineering notation	2.0943987 × 10^6

Prime Factorization of 20943987

Prime Factorization 3 × 6981329

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20943987	Product of the distinct prime numbers

The prime factorization of 20943987 is 3 × 6981329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 58, 78, 682, 483, 3383, 5964, 64471, 24606, 199219, 159781, 7820205, 9697600, 62069420, 55432688, 139429494, 685046183, 899242721, 1598265796

Basic calculations (n = 20943987)

Multiplication

n×y

n×2	41887974
n×3	62831961
n×4	83775948
n×5	104719935

Division

n÷y

n÷2	10471993.5
n÷3	6981329
n÷3	5235996.75
n÷5	4188797.4

Exponentiation

n^y

n²	438650591456169
n³	9.1870922850003E+21
n⁴	1.9241434138485E+29
n⁵	4.0299234645778E+36

Nth Root

^y√n

²√n	4576.4600948768
³√n	275.64690458932
⁴√n	67.649538763223
⁵√n	29.121374669922

Divisors of 20943987

1, 3, 6981329, 20943987

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	-20943986	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 20943987 can be divided by 4 positive divisors. The sum of these divisors (counting 20943987) is 1, the average is 0.25.

Base conversion 20943987

Base	System	Value
2	Binary	1001111111001010001110011
3	Ternary	1110102001202020
4	Quaternary	1033321101303
5	Quinary	20330201422
6	Senary	2024522523
8	Octal	117712163
10	Decimal	20943987
12	Duodecimal	7020443
16	Hexadecimal	13f9473
20	Vigesimal	6ahjj7
36	Base36	cgwhf

Cryptographic Hash Functions

md5	fdbfc8f83af4f3a8361b0cfb1a3e241b
sha1	c3a1364fd24fd7ab796e3238a6ff83f49a63e770
sha256	75931b2120cda55bf05684307627e1bdb24bc386243570fe23e8eb1fa28b7a14
sha512	43bcecedae10672ebe9d8282fe7eb5f72336e6a5b60d7d1bf5fda2c8413c4659339470f53049e7fc104e04912924aa075c748bcfe3e5c84602820e62ef897eac
ripemd-160	8e4ab04e2d2d0a9d29634a17b3ab966d5f913ffe

20943987 as geometric shapes

Circle

Radius = n

Diameter	41887974
Circumference	131594951.39216
Area	1.3780614756115E+15

Sphere

Radius = n

Volume	3.8482802173878E+22
Surface area	5.5122459024461E+15
Circumference	131594951.39216

Square

Length = n

Perimeter	83775948
Area	438650591456169
Diagonal	29619270.465566

Cube

Length = n

Surface area	2631903548737014
Volume	9.1870922850003E+21
Space diagonal	36276049.597062

Equilateral Triangle

Length = n

Perimeter	62831961
Area	1.8994127779306E+14
Altitude	18138024.798531

Triangular Pyramid

Length = n

Surface area	1.8994127779306E+14
Volume	1.0827092090184E+21
Height	9873090.1551886