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

21497957 (number)

21497957 is an odd 8-digits composite number following 21497956 and preceding 21497958. In scientific notation, it is written as 2.1497957 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 19844256 positive integers (up to 21497957) that are relatively prime to 21497957.

Interesting facts

21497957 has 4 divisors, whose sum is 23151660
The reverse of 21497957 is 75979412
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	2.1497957 × 10^7
Engineering notation	2.1497957 × 10^6

Prime Factorization of 21497957

Prime Factorization 13 × 1653689

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21497957	Product of the distinct prime numbers

The prime factorization of 21497957 is 13 × 1653689. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 21, 58, 687, 924, 9463, 6159, 14317, 56729, 314625, 769533, 8824251, 8581851, 40519465, 21675950, 607924032, 259181522, 5399593415, 5900211950

Basic calculations (n = 21497957)

Multiplication

n×y

n×2	42995914
n×3	64493871
n×4	85991828
n×5	107489785

Division

n÷y

n÷2	10748978.5
n÷3	7165985.6666667
n÷3	5374489.25
n÷5	4299591.4

Exponentiation

n^y

n²	462162155173849
n³	9.9355421389547E+21
n⁴	2.1359385767494E+29
n⁵	4.5918315677599E+36

Nth Root

^y√n

²√n	4636.5889401585
³√n	278.0560805034
⁴√n	68.092502819022
⁵√n	29.273822688026

Divisors of 21497957

1, 13, 1653689, 21497957

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	-21497956	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 21497957 can be divided by 4 positive divisors. The sum of these divisors (counting 21497957) is 1, the average is 0.25.

Base conversion 21497957

Base	System	Value
2	Binary	1010010000000100001100101
3	Ternary	1111110012122122
4	Quaternary	1102000201211
5	Quinary	21000413312
6	Senary	2044435325
8	Octal	122004145
10	Decimal	21497957
12	Duodecimal	7248b45
16	Hexadecimal	1480865
20	Vigesimal	6e74hh
36	Base36	csrxh

Cryptographic Hash Functions

md5	c05f2c6e20b934ad1c2e000fc5ff933b
sha1	2fb511b8e9aafd4e43b061e9ddb6df835e771ceb
sha256	09afd7c592ede05c7dd5663d85922db96ac90805345ac592bd5ddc86c2d8765e
sha512	2d3d68f173d12226a3dea5d03078af6d9925d060f67f73278157d39ce0c2a9137b99053098e5ee1d35993395b4885dda0d76737b0741d60e17f819df7deabb2e
ripemd-160	279ecfff1b3b4b10e3e1d1139038cf1d4e7325a6

21497957 as geometric shapes

Circle

Radius = n

Diameter	42995914
Circumference	135075647.55678
Area	1.4519252314614E+15

Sphere

Radius = n

Volume	4.1617901590896E+22
Surface area	5.8077009258456E+15
Circumference	135075647.55678

Square

Length = n

Perimeter	85991828
Area	462162155173849
Diagonal	30402702.352714

Cube

Length = n

Surface area	2772972931043094
Volume	9.9355421389547E+21
Space diagonal	37235553.782931

Equilateral Triangle

Length = n

Perimeter	64493871
Area	2.0012208352416E+14
Altitude	18617776.891465

Triangular Pyramid

Length = n

Surface area	2.0012208352416E+14
Volume	1.1709148702033E+21
Height	10134234.117571