21397957, twenty-one million three hundred ninety-seven thousand nine hundred fifty-seven: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

21397957 has 6 divisors, whose sum is 24891558
The reverse of 21397957 is 75979312
Previous prime number is 7

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 fifty-seven

Notation

Scientific notation	2.1397957 × 10^7
Engineering notation	2.1397957 × 10^6

Prime Factorization of 21397957

Prime Factorization 7 × 7 × 436693

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	3056851	Product of the distinct prime numbers

The prime factorization of 21397957 is 7 × 7 × 436693. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 84, 46, 565, 113, 1189, 2236, 12627, 11006, 107766, 401825, 4635887, 9983298, 5766171, 97793059, 945198406, 748090419, 2268563353, 7509698499

Basic calculations (n = 21397957)

Multiplication

n×y

n×2	42795914
n×3	64193871
n×4	85591828
n×5	106989785

Division

n÷y

n÷2	10698978.5
n÷3	7132652.3333333
n÷3	5349489.25
n÷5	4279591.4

Exponentiation

n^y

n²	457872563773849
n³	9.7975374311126E+21
n⁴	2.0964728465684E+29
n⁵	4.4860235822538E+36

Nth Root

^y√n

²√n	4625.7925807368
³√n	277.62427461321
⁴√n	68.013179463519
⁵√n	29.246537822488

Divisors of 21397957

1, 7, 49, 436693, 3056851, 21397957

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21397956	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21397957 can be divided by 6 positive divisors. The sum of these divisors (counting 21397957) is 1, the average is 0.16666666666667.

Base conversion 21397957

Base	System	Value
2	Binary	1010001101000000111000101
3	Ternary	1111021010110221
4	Quaternary	1101220013011
5	Quinary	20434213312
6	Senary	2042344341
8	Octal	121500705
10	Decimal	21397957
12	Duodecimal	71bb0b1
16	Hexadecimal	14681c5
20	Vigesimal	6deehh
36	Base36	cqmrp

Cryptographic Hash Functions

md5	5094aaaf888b2c1b81cc15ebaffaa797
sha1	5345485d3915baa9d89301010ccde79ab3d9d8a0
sha256	590e95410125ef481f8e5a3916553165e471fd6e23166a64727c6a82fe986bd1
sha512	2bd6a435d88f5eb3a6a89b4b952cd5bea72587d89a98e18ea72581ae0779af3915e5a29c884c3a52c4bc474cc808e0ea08c16347b56ec1daaa72646c3a21c4c8
ripemd-160	a4c4cc9f81355438580f1fd13cef586a4cc26da5

21397957 as geometric shapes

Circle

Radius = n

Diameter	42795914
Circumference	134447329.02606
Area	1.4384490826322E+15

Sphere

Radius = n

Volume	4.1039828822472E+22
Surface area	5.753796330529E+15
Circumference	134447329.02606

Square

Length = n

Perimeter	85591828
Area	457872563773849
Diagonal	30261280.996476

Cube

Length = n

Surface area	2747235382643094
Volume	9.7975374311126E+21
Space diagonal	37062348.702174

Equilateral Triangle

Length = n

Perimeter	64193871
Area	1.9826463596203E+14
Altitude	18531174.351087

Triangular Pyramid

Length = n

Surface area	1.9826463596203E+14
Volume	1.1546508594115E+21
Height	10087093.665492