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

21497986 (number)

21497986 is an even 8-digits composite number following 21497985 and preceding 21497987. In scientific notation, it is written as 2.1497986 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 10572720 positive integers (up to 21497986) that are relatively prime to 21497986.

Interesting facts

21497986 has 8 divisors, whose sum is 32775804
The reverse of 21497986 is 68979412
Previous prime number is 61

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	twenty-one million four hundred ninety-seven thousand nine hundred eighty-six

Notation

Scientific notation	2.1497986 × 10^7
Engineering notation	2.1497986 × 10^6

Prime Factorization of 21497986

Prime Factorization 2 × 61 × 176213

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21497986	Product of the distinct prime numbers

The prime factorization of 21497986 is 2 × 61 × 176213. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 63, 45, 117, 300, 8140, 8731, 70217, 51530, 436722, 625067, 1642614, 1343506, 40265296, 72488839, 578511702, 51483002, 9343755381, 8569273980

Basic calculations (n = 21497986)

Multiplication

n×y

n×2	42995972
n×3	64493958
n×4	85991944
n×5	107489930

Division

n÷y

n÷2	10748993
n÷3	7165995.3333333
n÷3	5374496.5
n÷5	4299597.2

Exponentiation

n^y

n²	462163402056196
n³	9.9355823471165E+21
n⁴	2.1359501020016E+29
n⁵	4.5918625389528E+36

Nth Root

^y√n

²√n	4636.5920674564
³√n	278.05620553269
⁴√n	68.092525782618
⁵√n	29.273830585897

Divisors of 21497986

1, 2, 61, 122, 176213, 352426, 10748993, 21497986

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21497985	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497986 can be divided by 8 positive divisors. The sum of these divisors (counting 21497986) is 1, the average is 0.125.

Base conversion 21497986

Base	System	Value
2	Binary	1010010000000100010000010
3	Ternary	1111110012200201
4	Quaternary	1102000202002
5	Quinary	21000413421
6	Senary	2044435414
8	Octal	122004202
10	Decimal	21497986
12	Duodecimal	7248b6a
16	Hexadecimal	1480882
20	Vigesimal	6e74j6
36	Base36	csrya

Cryptographic Hash Functions

md5	859100d6a8e3e4840bb8ae07ab48b1c3
sha1	f799a4248d7df595bbac5f26a2b6f4fe0e81cb44
sha256	84d5063592d78cf3085abe80fdd72a582750f663cf96e9adc554c3d638cdd006
sha512	138854161246a83f1d89f4fb727f3227108048e02ade8394cbe6d501a5069dfd46eaf36814bb7ce7404a92383620897fde29afa3fda9981d40f1659fb2a7521a
ripemd-160	5a51dc884489b54dfa7cc7d70ce0aaff610bc235

21497986 as geometric shapes

Circle

Radius = n

Diameter	42995972
Circumference	135075829.76915
Area	1.4519291486578E+15

Sphere

Radius = n

Volume	4.161807001445E+22
Surface area	5.8077165946312E+15
Circumference	135075829.76915

Square

Length = n

Perimeter	85991944
Area	462163402056196
Diagonal	30402743.364907

Cube

Length = n

Surface area	2772980412337176
Volume	9.9355823471165E+21
Space diagonal	37235604.012404

Equilateral Triangle

Length = n

Perimeter	64493958
Area	2.0012262344005E+14
Altitude	18617802.006202

Triangular Pyramid

Length = n

Surface area	2.0012262344005E+14
Volume	1.1709196087806E+21
Height	10134247.788302