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

21497857 (number)

21497857 is an odd 8-digits composite number following 21497856 and preceding 21497858. In scientific notation, it is written as 2.1497857 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 21486420 positive integers (up to 21497857) that are relatively prime to 21497857.

Interesting facts

21497857 has 4 divisors, whose sum is 21509296
The reverse of 21497857 is 75879412
Previous prime number is 2371

Basic properties

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

Name

Name	twenty-one million four hundred ninety-seven thousand eight hundred fifty-seven

Notation

Scientific notation	2.1497857 × 10^7
Engineering notation	2.1497857 × 10^6

Prime Factorization of 21497857

Prime Factorization 2371 × 9067

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21497857	Product of the distinct prime numbers

The prime factorization of 21497857 is 2371 × 9067. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 30, 51, 840, 935, 1460, 9013, 76448, 93239, 365935, 300184, 1840555, 8309391, 68254713, 9634547, 143462511, 260676603, 2000401449, 3217748354

Basic calculations (n = 21497857)

Multiplication

n×y

n×2	42995714
n×3	64493571
n×4	85991428
n×5	107489285

Division

n÷y

n÷2	10748928.5
n÷3	7165952.3333333
n÷3	5374464.25
n÷5	4299571.4

Exponentiation

n^y

n²	462157855592449
n³	9.9354034909531E+21
n⁴	2.1358988348581E+29
n⁵	4.5917247718246E+36

Nth Root

^y√n

²√n	4636.5781563563
³√n	278.05564936707
⁴√n	68.09242363403
⁵√n	29.273795453925

Divisors of 21497857

1, 2371, 9067, 21497857

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	-21497856	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 21497857 can be divided by 4 positive divisors. The sum of these divisors (counting 21497857) is 1, the average is 0.25.

Base conversion 21497857

Base	System	Value
2	Binary	1010010000000100000000001
3	Ternary	1111110012111221
4	Quaternary	1102000200001
5	Quinary	21000412412
6	Senary	2044435041
8	Octal	122004001
10	Decimal	21497857
12	Duodecimal	7248a81
16	Hexadecimal	1480801
20	Vigesimal	6e74ch
36	Base36	csrup

Cryptographic Hash Functions

md5	ad2be497d4e8d22e2189c2106a561853
sha1	1371cf2682ccc5cfb299ef8b8ead9923fa0cd15d
sha256	1d1bb9ef87c191dfc06692c53af3db07a814c2fdb558959c41dd894e774a3975
sha512	7f0235fdfc819bb28a1a704ab24aff86e824b1b24312f7145b3ad8610c5c08a489cd86b9c752e6d4d1483dcf70d0ddcf58774028f91ed2fe52fcf338e92d86f5
ripemd-160	34aabc680f19f1c2b6c6ae83091d69965a895fb3

21497857 as geometric shapes

Circle

Radius = n

Diameter	42995714
Circumference	135075019.23825
Area	1.4519117239281E+15

Sphere

Radius = n

Volume	4.1617320823505E+22
Surface area	5.8076468957122E+15
Circumference	135075019.23825

Square

Length = n

Perimeter	85991428
Area	462157855592449
Diagonal	30402560.931357

Cube

Length = n

Surface area	2772947133554694
Volume	9.9354034909531E+21
Space diagonal	37235380.57785

Equilateral Triangle

Length = n

Perimeter	64493571
Area	2.001202217508E+14
Altitude	18617690.288925

Triangular Pyramid

Length = n

Surface area	2.001202217508E+14
Volume	1.1708985303796E+21
Height	10134186.977119