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

20956987 (number)

20956987 is an odd 8-digits composite number following 20956986 and preceding 20956988. In scientific notation, it is written as 2.0956987 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 20796880 positive integers (up to 20956987) that are relatively prime to 20956987.

Interesting facts

20956987 has 4 divisors, whose sum is 21117096
The reverse of 20956987 is 78965902
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	twenty million nine hundred fifty-six thousand nine hundred eighty-seven

Notation

Scientific notation	2.0956987 × 10^7
Engineering notation	2.0956987 × 10^6

Prime Factorization of 20956987

Prime Factorization 131 × 159977

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20956987	Product of the distinct prime numbers

The prime factorization of 20956987 is 131 × 159977. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 5, 32, 940, 716, 5647, 6913, 43209, 36527, 57313, 20253, 4666654, 7527670, 40946960, 77309581, 526335521, 753163915, 5205074538, 2510166169

Basic calculations (n = 20956987)

Multiplication

n×y

n×2	41913974
n×3	62870961
n×4	83827948
n×5	104784935

Division

n÷y

n÷2	10478493.5
n÷3	6985662.3333333
n÷3	5239246.75
n÷5	4191397.4

Exponentiation

n^y

n²	439195304118169
n³	9.2042102788655E+21
n⁴	1.9289251515945E+29
n⁵	4.0424459325939E+36

Nth Root

^y√n

²√n	4577.8801862871
³√n	275.70392443316
⁴√n	67.660033892152
⁵√n	29.124988918841

Divisors of 20956987

1, 131, 159977, 20956987

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	-20956986	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 20956987 can be divided by 4 positive divisors. The sum of these divisors (counting 20956987) is 1, the average is 0.25.

Base conversion 20956987

Base	System	Value
2	Binary	1001111111100011100111011
3	Ternary	1110102201120201
4	Quaternary	1033330130323
5	Quinary	20331110422
6	Senary	2025103031
8	Octal	117743473
10	Decimal	20956987
12	Duodecimal	7027a77
16	Hexadecimal	13fc73b
20	Vigesimal	6ajc97
36	Base36	ch6ij

Cryptographic Hash Functions

md5	919dec23a00d592c716f40530db015ea
sha1	ad445f2b2445fec48fc37ffbd7940a5e1b86ebab
sha256	5b2acbe0c244ddec95191870a721e8fb0d295b422ccc472d8a52f87eecb335e7
sha512	6d78a253b538102ddbd15d8d1555cab2271d2f85f21aaab0f4dac9053afcf1df32eef7959aec2039f24f9f03ceb371b24b9083b02e07a89b643141447f64d0c7
ripemd-160	0896a92af0168b0df566e92306a3ea082165437f

20956987 as geometric shapes

Circle

Radius = n

Diameter	41913974
Circumference	131676632.80115
Area	1.3797727409088E+15

Sphere

Radius = n

Volume	3.8554505858906E+22
Surface area	5.5190909636351E+15
Circumference	131676632.80115

Square

Length = n

Perimeter	83827948
Area	439195304118169
Diagonal	29637655.241877

Cube

Length = n

Surface area	2635171824709014
Volume	9.2042102788655E+21
Space diagonal	36298566.25756

Equilateral Triangle

Length = n

Perimeter	62870961
Area	1.9017714529458E+14
Altitude	18149283.12878

Triangular Pyramid

Length = n

Surface area	1.9017714529458E+14
Volume	1.0847265839421E+21
Height	9879218.4139589