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

20900921 (number)

20900921 is an odd 8-digits composite number following 20900920 and preceding 20900922. In scientific notation, it is written as 2.0900921 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20506512 positive integers (up to 20900921) that are relatively prime to 20900921.

Interesting facts

20900921 has 4 divisors, whose sum is 21295332
The reverse of 20900921 is 12900902
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million nine hundred thousand nine hundred twenty-one

Notation

Scientific notation	2.0900921 × 10^7
Engineering notation	2.0900921 × 10^6

Prime Factorization of 20900921

Prime Factorization 53 × 394357

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20900921	Product of the distinct prime numbers

The prime factorization of 20900921 is 53 × 394357. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 19, 97, 718, 695, 127, 6135, 60140, 12730, 568719, 885264, 846318, 9761691, 58374794, 3286906, 143588998, 708715901, 9730047560, 7502904849

Basic calculations (n = 20900921)

Multiplication

n×y

n×2	41801842
n×3	62702763
n×4	83603684
n×5	104504605

Division

n÷y

n÷2	10450460.5
n÷3	6966973.6666667
n÷3	5225230.25
n÷5	4180184.2

Exponentiation

n^y

n²	436848498648241
n³	9.1305359592155E+21
n⁴	1.9083661077122E+29
n⁵	3.9886609256371E+36

Nth Root

^y√n

²√n	4571.752508612
³√n	275.45784228273
⁴√n	67.614735883622
⁵√n	29.109388662431

Divisors of 20900921

1, 53, 394357, 20900921

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	-20900920	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 20900921 can be divided by 4 positive divisors. The sum of these divisors (counting 20900921) is 1, the average is 0.25.

Base conversion 20900921

Base	System	Value
2	Binary	1001111101110110000111001
3	Ternary	1110022212200012
4	Quaternary	1033232300321
5	Quinary	20322312141
6	Senary	2023551305
8	Octal	117566071
10	Decimal	20900921
12	Duodecimal	6bbb535
16	Hexadecimal	13eec39
20	Vigesimal	6acc61
36	Base36	cfz95

Cryptographic Hash Functions

md5	2ee530f1dec65fe7aa8b8d09bc6e4e7a
sha1	45d0cc205a977e4a064939568af2b55e9fba9979
sha256	fda8ba1c476cfe850137bfb5ff9ac8e61a693a99e71ae360ab13b389dd34dbca
sha512	62b040cc64a3368d38107589d96e5be9e45bb229825f8662c348cfaac147f74e48b3bab451bfbaaa8497fd633978729aa4d8f7b3791355a1a53308bbac39fcbb
ripemd-160	b0fa4d7906563bb10fd1ddd67b96b6098abb665d

20900921 as geometric shapes

Circle

Radius = n

Diameter	41801842
Circumference	131324359.73372
Area	1.372400034085E+15

Sphere

Radius = n

Volume	3.8245899590412E+22
Surface area	5.4896001363402E+15
Circumference	131324359.73372

Square

Length = n

Perimeter	83603684
Area	436848498648241
Diagonal	29558365.944289

Cube

Length = n

Surface area	2621090991889446
Volume	9.1305359592155E+21
Space diagonal	36201457.096983

Equilateral Triangle

Length = n

Perimeter	62702763
Area	1.8916094871723E+14
Altitude	18100728.548492

Triangular Pyramid

Length = n

Surface area	1.8916094871723E+14
Volume	1.0760439821048E+21
Height	9852788.6480962