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

20988081 (number)

20988081 is an odd 8-digits composite number following 20988080 and preceding 20988082. In scientific notation, it is written as 2.0988081 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13168896 positive integers (up to 20988081) that are relatively prime to 20988081.

Interesting facts

20988081 has 8 divisors, whose sum is 28533024
The reverse of 20988081 is 18088902
Previous prime number is 51

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty million nine hundred eighty-eight thousand eighty-one

Notation

Scientific notation	2.0988081 × 10^7
Engineering notation	2.0988081 × 10^6

Prime Factorization of 20988081

Prime Factorization 3 × 51 × 137177

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20988081	Product of the distinct prime numbers

The prime factorization of 20988081 is 3 × 51 × 137177. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 48, 33, 277, 263, 4306, 1493, 24927, 77233, 137416, 79071, 7123736, 1689189, 79521368, 37902816, 545364593, 488776724, 560569110, 4663099829

Basic calculations (n = 20988081)

Multiplication

n×y

n×2	41976162
n×3	62964243
n×4	83952324
n×5	104940405

Division

n÷y

n÷2	10494040.5
n÷3	6996027
n÷3	5247020.25
n÷5	4197616.2

Exponentiation

n^y

n²	440499544062561
n³	9.2452401112481E+21
n⁴	1.9403984831932E+29
n⁵	4.0725240537537E+36

Nth Root

^y√n

²√n	4581.2750408593
³√n	275.8402115421
⁴√n	67.6851168342
⁵√n	29.133626376301

Divisors of 20988081

1, 3, 51, 153, 137177, 411531, 6996027, 20988081

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	-20988080	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 20988081 can be divided by 8 positive divisors. The sum of these divisors (counting 20988081) is 1, the average is 0.125.

Base conversion 20988081

Base	System	Value
2	Binary	1010000000100000010110001
3	Ternary	1110111022020100
4	Quaternary	1100010002301
5	Quinary	20333104311
6	Senary	2025503013
8	Octal	120040261
10	Decimal	20988081
12	Duodecimal	7041a69
16	Hexadecimal	14040b1
20	Vigesimal	6b3a41
36	Base36	chui9

Cryptographic Hash Functions

md5	92517535ceb02b8ac0b1b139a7e1ea68
sha1	e0a39e33a50e395a4f4736900e5db9695a25b40b
sha256	7c48cf3f67b4cb4d0879a1a594cd374da58351e1f7572f823f417257dfcb52b6
sha512	d12385b965afe2d992b3abedba02b0e8a26b925ca5740e8ea9c7d85b5bdd5550efbef95eeef0ce2213b46bdbb0d36de63bd2e4640418ce2496456f7a6550a991
ripemd-160	d26a255e308a59dc9674cf1ffdcb8e14ab3bed6f

20988081 as geometric shapes

Circle

Radius = n

Diameter	41976162
Circumference	131872002.1651
Area	1.3838701315366E+15

Sphere

Radius = n

Volume	3.8726371218894E+22
Surface area	5.5354805261464E+15
Circumference	131872002.1651

Square

Length = n

Perimeter	83952324
Area	440499544062561
Diagonal	29681628.798385

Cube

Length = n

Surface area	2642997264375366
Volume	9.2452401112481E+21
Space diagonal	36352422.645371

Equilateral Triangle

Length = n

Perimeter	62964243
Area	1.9074189775682E+14
Altitude	18176211.322686

Triangular Pyramid

Length = n

Surface area	1.9074189775682E+14
Volume	1.0895619960602E+21
Height	9893876.2661284