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

21397975 (number)

21397975 is an odd 8-digits composite number following 21397974 and preceding 21397976. In scientific notation, it is written as 2.1397975 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 17118360 positive integers (up to 21397975) that are relatively prime to 21397975.

Interesting facts

21397975 has 4 divisors, whose sum is 22253920
The reverse of 21397975 is 57979312
Previous prime number is 25

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty-one million three hundred ninety-seven thousand nine hundred seventy-five

Notation

Scientific notation	2.1397975 × 10^7
Engineering notation	2.1397975 × 10^6

Prime Factorization of 21397975

Prime Factorization 25 × 855919

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21397975	Product of the distinct prime numbers

The prime factorization of 21397975 is 25 × 855919. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 9, 27, 95, 145, 362, 7388, 1693, 81154, 40734, 611733, 974589, 8744432, 8715442, 89839968, 45948392, 29670067, 994618612, 7200303032, 9075641296

Basic calculations (n = 21397975)

Multiplication

n×y

n×2	42795950
n×3	64193925
n×4	85591900
n×5	106989875

Division

n÷y

n÷2	10698987.5
n÷3	7132658.3333333
n÷3	5349493.75
n÷5	4279595

Exponentiation

n^y

n²	457873334100625
n³	9.7975621562518E+21
n⁴	2.0964799008042E+29
n⁵	4.4860424505411E+36

Nth Root

^y√n

²√n	4625.794526349
³√n	277.6243524592
⁴√n	68.013193766717
⁵√n	29.246542742934

Divisors of 21397975

1, 25, 855919, 21397975

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	-21397974	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 21397975 can be divided by 4 positive divisors. The sum of these divisors (counting 21397975) is 1, the average is 0.25.

Base conversion 21397975

Base	System	Value
2	Binary	1010001101000000111010111
3	Ternary	1111021010111121
4	Quaternary	1101220013113
5	Quinary	20434213400
6	Senary	2042344411
8	Octal	121500727
10	Decimal	21397975
12	Duodecimal	71bb107
16	Hexadecimal	14681d7
20	Vigesimal	6deeif
36	Base36	cqms7

Cryptographic Hash Functions

md5	f37fb6a8e0a7a76ee09ad71b08e2074f
sha1	6693af75a4965414a25a931181bf6bca930a3b1b
sha256	ff0bb88c0c378527916e282adceea544cc73356c466a3386d936abb9a524920e
sha512	285833010bbfccbccf7901656d2dada2eab610e8bda72e0a2dcc99d19a3688a6ac69884552d4948314be1b94c23738347f84f19570f63c69646ac77600b785de
ripemd-160	5d2182c4c6e8ab8ef971f1c64867b658e5d12995

21397975 as geometric shapes

Circle

Radius = n

Diameter	42795950
Circumference	134447442.1234
Area	1.4384515026852E+15

Sphere

Radius = n

Volume	4.1039932390893E+22
Surface area	5.7538060107408E+15
Circumference	134447442.1234

Square

Length = n

Perimeter	85591900
Area	457873334100625
Diagonal	30261306.45232

Cube

Length = n

Surface area	2747240004603750
Volume	9.7975621562518E+21
Space diagonal	37062379.879089

Equilateral Triangle

Length = n

Perimeter	64193925
Area	1.9826496952331E+14
Altitude	18531189.939544

Triangular Pyramid

Length = n

Surface area	1.9826496952331E+14
Volume	1.1546537732971E+21
Height	10087102.150773