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

21397911 (number)

21397911 is an odd 8-digits composite number following 21397910 and preceding 21397912. In scientific notation, it is written as 2.1397911 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13717088 positive integers (up to 21397911) that are relatively prime to 21397911.

Interesting facts

21397911 has 16 divisors, whose sum is 29635200
The reverse of 21397911 is 11979312
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million three hundred ninety-seven thousand nine hundred eleven

Notation

Scientific notation	2.1397911 × 10^7
Engineering notation	2.1397911 × 10^6

Prime Factorization of 21397911

Prime Factorization 3 × 587 × 29 × 419

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21397911	Product of the distinct prime numbers

The prime factorization of 21397911 is 3 × 587 × 29 × 419. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 34, 95, 725, 286, 292, 7850, 47052, 1038, 110511, 935919, 9353290, 9650951, 83565734, 63205157, 159135442, 69668252, 1630807417, 8768333190

Basic calculations (n = 21397911)

Multiplication

n×y

n×2	42795822
n×3	64193733
n×4	85591644
n×5	106989555

Division

n÷y

n÷2	10698955.5
n÷3	7132637
n÷3	5349477.75
n÷5	4279582.2

Exponentiation

n^y

n²	457870595163921
n³	9.7974742448346E+21
n⁴	2.0964548191576E+29
n⁵	4.4859753635856E+36

Nth Root

^y√n

²√n	4625.7876086133
³√n	277.62407567326
⁴√n	68.013142910861
⁵√n	29.246525247998

Divisors of 21397911

1, 3, 29, 87, 419, 587, 1257, 1761, 12151, 17023, 36453, 51069, 245953, 737859, 7132637, 21397911

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21397910	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21397911 can be divided by 16 positive divisors. The sum of these divisors (counting 21397911) is 1, the average is 0.0625.

Base conversion 21397911

Base	System	Value
2	Binary	1010001101000000110010111
3	Ternary	1111021010102020
4	Quaternary	1101220012113
5	Quinary	20434213121
6	Senary	2042344223
8	Octal	121500627
10	Decimal	21397911
12	Duodecimal	71bb073
16	Hexadecimal	1468197
20	Vigesimal	6deefb
36	Base36	cqmqf

Cryptographic Hash Functions

md5	e0077b9d841e71abba841c1116f69ab2
sha1	4b4421c7f8148798464c5ec99ffef30ff6609256
sha256	f94c57ab717b0f1a833f53107353926f1ccb0979a84fde7c4139b5ada2a84f2d
sha512	e6bc4aa97e594918845d794b347320098f88ae80383bd053b73fe32afd3b765308a1ab72ed4425c63d6fc6f6ce5f9d451a88559ee7360702d0465769afde2649
ripemd-160	7757d9e87a08d84dc9ca1f769f44bde12ff1fddc

21397911 as geometric shapes

Circle

Radius = n

Diameter	42795822
Circumference	134447039.99954
Area	1.4384428980618E+15

Sphere

Radius = n

Volume	4.103956414841E+22
Surface area	5.753771592247E+15
Circumference	134447039.99954

Square

Length = n

Perimeter	85591644
Area	457870595163921
Diagonal	30261215.942652

Cube

Length = n

Surface area	2747223570983526
Volume	9.7974742448346E+21
Space diagonal	37062269.027837

Equilateral Triangle

Length = n

Perimeter	64193733
Area	1.9826378352893E+14
Altitude	18531134.513918

Triangular Pyramid

Length = n

Surface area	1.9826378352893E+14
Volume	1.1546434128372E+21
Height	10087071.980884