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

20731961 (number)

20731961 is an odd 8-digits prime number following 20731960 and preceding 20731962. In scientific notation, it is written as 2.0731961 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 20731960 positive integers (up to 20731961) that are relatively prime to 20731961.

Interesting facts

20731961 has 2 divisors, whose sum is 20731962
The reverse of 20731961 is 16913702
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million seven hundred thirty-one thousand nine hundred sixty-one

Notation

Scientific notation	2.0731961 × 10^7
Engineering notation	2.0731961 × 10^6

Prime Factorization of 20731961

Prime Factorization 20731961

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20731961	Product of the distinct prime numbers

The prime factorization of 20731961 is 20731961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 9, 51, 39, 481, 150, 7175, 7734, 92361, 53879, 263263, 309985, 5213155, 8555939, 31124147, 86158818, 258982507, 631124634, 1637175066, 6336996091

Basic calculations (n = 20731961)

Multiplication

n×y

n×2	41463922
n×3	62195883
n×4	82927844
n×5	103659805

Division

n÷y

n÷2	10365980.5
n÷3	6910653.6666667
n÷3	5182990.25
n÷5	4146392.2

Exponentiation

n^y

n²	429814206905521
n³	8.9108913748112E+21
n⁴	1.8474025245782E+29
n⁵	3.8300277090857E+36

Nth Root

^y√n

²√n	4553.2363215629
³√n	274.71357947418
⁴√n	67.477672763388
⁵√n	29.062172527933

Divisors of 20731961

1, 20731961

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20731962	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10365981	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4553.2364313749	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999035306	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731961 can be divided by 2 positive divisors. The sum of these divisors (counting 20731961) is 20731962, the average is 10365981.

Base conversion 20731961

Base	System	Value
2	Binary	1001111000101100000111001
3	Ternary	1110000021220102
4	Quaternary	1033011200321
5	Quinary	20301410321
6	Senary	2020205145
8	Octal	117054071
10	Decimal	20731961
12	Duodecimal	6b397b5
16	Hexadecimal	13c5839
20	Vigesimal	69b9i1
36	Base36	cccvt

Cryptographic Hash Functions

md5	ae721bf45be603c0debfef473d4f549b
sha1	337f245ad30a575bba7efa0e3e540c806fde0d72
sha256	c3594f3284f3b696b391851d9db831f4059f91d9877595057da9c8c7a22cea30
sha512	f921a164cea76313808f7f6b879259be5a2139da7d597815016ecf526bbdb7a7ef9d61f43fb92f1416aa8886d01ccb13e08397beac785b120bea866cefa8775c
ripemd-160	7ee43330f64ce2b7f2936fff32b93038bf4b7ef9

20731961 as geometric shapes

Circle

Radius = n

Diameter	41463922
Circumference	130262752.74422
Area	1.3503011548229E+15

Sphere

Radius = n

Volume	3.7325854506725E+22
Surface area	5.4012046192916E+15
Circumference	130262752.74422

Square

Length = n

Perimeter	82927844
Area	429814206905521
Diagonal	29319420.42079

Cube

Length = n

Surface area	2578885241433126
Volume	8.9108913748112E+21
Space diagonal	35908809.792536

Equilateral Triangle

Length = n

Perimeter	62195883
Area	1.8611501104382E+14
Altitude	17954404.896268

Triangular Pyramid

Length = n

Surface area	1.8611501104382E+14
Volume	1.050158619591E+21
Height	9773140.1402634