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

20978087 (number)

20978087 is an odd 8-digits composite number following 20978086 and preceding 20978088. In scientific notation, it is written as 2.0978087 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 19307232 positive integers (up to 20978087) that are relatively prime to 20978087.

Interesting facts

20978087 has 8 divisors, whose sum is 22658496
The reverse of 20978087 is 78087902
Previous prime number is 367

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	2.0978087 × 10^7
Engineering notation	2.0978087 × 10^6

Prime Factorization of 20978087

Prime Factorization 13 × 367 × 4397

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20978087	Product of the distinct prime numbers

The prime factorization of 20978087 is 13 × 367 × 4397. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 63, 75, 852, 116, 1399, 641, 61330, 80325, 831338, 587066, 3427575, 7593456, 8272333, 86222190, 998968222, 175614944, 1221105860, 3491921359

Basic calculations (n = 20978087)

Multiplication

n×y

n×2	41956174
n×3	62934261
n×4	83912348
n×5	104890435

Division

n÷y

n÷2	10489043.5
n÷3	6992695.6666667
n÷3	5244521.75
n÷5	4195617.4

Exponentiation

n^y

n²	440080134179569
n³	9.2320393417907E+21
n⁴	1.9367052449951E+29
n⁵	4.0628371122863E+36

Nth Root

^y√n

²√n	4580.1841666029
³√n	275.79642185095
⁴√n	67.677057904455
⁵√n	29.130851306628

Divisors of 20978087

1, 13, 367, 4397, 4771, 57161, 1613699, 20978087

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	-20978086	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 20978087 can be divided by 8 positive divisors. The sum of these divisors (counting 20978087) is 1, the average is 0.125.

Base conversion 20978087

Base	System	Value
2	Binary	1010000000001100110100111
3	Ternary	1110110210112012
4	Quaternary	1100001212213
5	Quinary	20332244322
6	Senary	2025344435
8	Octal	120014647
10	Decimal	20978087
12	Duodecimal	703811b
16	Hexadecimal	14019a7
20	Vigesimal	6b2547
36	Base36	chmsn

Cryptographic Hash Functions

md5	0c2ca7d08d6b75e792af4c37d57d725f
sha1	23a99192ed138a70d50e7da1747ceafc46ca36f2
sha256	54fa90867c9c3e320cee8b3e59c65463f40bd61a673c5aa0b7657214b6967aa8
sha512	b30e2be6f8b7231b6611a94e271c4ce0b20605d89e8cc2ac64bdbdc51fc98133459903450ffbcf3e34e676abc8c7755baa37740b8d3ea1bc0059507b11fd2ccd
ripemd-160	57680b1803115c9f89cc5e0379be0f6c5ca0435b

20978087 as geometric shapes

Circle

Radius = n

Diameter	41956174
Circumference	131809208.01114
Area	1.3825525165293E+15

Sphere

Radius = n

Volume	3.8671075965095E+22
Surface area	5.5302100661174E+15
Circumference	131809208.01114

Square

Length = n

Perimeter	83912348
Area	440080134179569
Diagonal	29667495.148043

Cube

Length = n

Surface area	2640480805077414
Volume	9.2320393417907E+21
Space diagonal	36335112.5296

Equilateral Triangle

Length = n

Perimeter	62934261
Area	1.9056028795019E+14
Altitude	18167556.2648

Triangular Pyramid

Length = n

Surface area	1.9056028795019E+14
Volume	1.0880062704602E+21
Height	9889165.0493476