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

21231911 (number)

21231911 is an odd 8-digits composite number following 21231910 and preceding 21231912. In scientific notation, it is written as 2.1231911 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 19829880 positive integers (up to 21231911) that are relatively prime to 21231911.

Interesting facts

21231911 has 8 divisors, whose sum is 22665600
The reverse of 21231911 is 11913212
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million two hundred thirty-one thousand nine hundred eleven

Notation

Scientific notation	2.1231911 × 10^7
Engineering notation	2.1231911 × 10^6

Prime Factorization of 21231911

Prime Factorization 19 × 71 × 15739

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21231911	Product of the distinct prime numbers

The prime factorization of 21231911 is 19 × 71 × 15739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 56, 6, 881, 894, 9873, 5424, 78096, 5569, 573925, 93190, 7589115, 1374104, 18018118, 1413765, 317172905, 421331392, 9856178859, 6434988274

Basic calculations (n = 21231911)

Multiplication

n×y

n×2	42463822
n×3	63695733
n×4	84927644
n×5	106159555

Division

n÷y

n÷2	10615955.5
n÷3	7077303.6666667
n÷3	5307977.75
n÷5	4246382.2

Exponentiation

n^y

n²	450794044711921
n³	9.5712190366535E+21
n⁴	2.0321527074773E+29
n⁵	4.3146485423568E+36

Nth Root

^y√n

²√n	4607.8097834004
³√n	276.90429689634
⁴√n	67.880849901871
⁵√n	29.201006234084

Divisors of 21231911

1, 19, 71, 1349, 15739, 299041, 1117469, 21231911

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	-21231910	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 21231911 can be divided by 8 positive divisors. The sum of these divisors (counting 21231911) is 1, the average is 0.125.

Base conversion 21231911

Base	System	Value
2	Binary	1010000111111100100100111
3	Ternary	1110221200201002
4	Quaternary	1100333210213
5	Quinary	20413410121
6	Senary	2035023515
8	Octal	120774447
10	Decimal	21231911
12	Duodecimal	713ab9b
16	Hexadecimal	143f927
20	Vigesimal	6cdjfb
36	Base36	cn2nb

Cryptographic Hash Functions

md5	1ffb8b63679f4e8f881605f1b9824e2d
sha1	fde0c9780660fc8f8e0d5cc9868ff983c545abdb
sha256	08212945c7831f59cdc8e0c5828db2ac1c9739500cd8b00c7aeffb83eb048740
sha512	ec2f97cf987b5e13566b3a669795d2b0f86e7c0d35dd259588aab82203e5ac3e51f46344110f18ea64bdff9641eb816fe3e3c238e4443808a4071261b9918a39
ripemd-160	30bace4fc919ff42b9d544c0d3dea9db7798ace0

21231911 as geometric shapes

Circle

Radius = n

Diameter	42463822
Circumference	133404031.23854
Area	1.416211259149E+15

Sphere

Radius = n

Volume	4.0091828548599E+22
Surface area	5.664845036596E+15
Circumference	133404031.23854

Square

Length = n

Perimeter	84927644
Area	450794044711921
Diagonal	30026456.491299

Cube

Length = n

Surface area	2704764268271526
Volume	9.5712190366535E+21
Space diagonal	36774748.593781

Equilateral Triangle

Length = n

Perimeter	63695733
Area	1.9519954729763E+14
Altitude	18387374.29689

Triangular Pyramid

Length = n

Surface area	1.9519954729763E+14
Volume	1.1279789808399E+21
Height	10008818.830433