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

21497906 (number)

21497906 is an even 8-digits composite number following 21497905 and preceding 21497907. In scientific notation, it is written as 2.1497906 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10748952 positive integers (up to 21497906) that are relatively prime to 21497906.

Interesting facts

21497906 has 4 divisors, whose sum is 32246862
The reverse of 21497906 is 60979412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.1497906 × 10^7
Engineering notation	2.1497906 × 10^6

Prime Factorization of 21497906

Prime Factorization 2 × 10748953

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21497906	Product of the distinct prime numbers

The prime factorization of 21497906 is 2 × 10748953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 76, 59, 220, 895, 357, 6919, 9707, 19384, 694034, 102956, 4824280, 4410121, 31067008, 2305847, 910258408, 917660455, 44137476, 9873720007

Basic calculations (n = 21497906)

Multiplication

n×y

n×2	42995812
n×3	64493718
n×4	85991624
n×5	107489530

Division

n÷y

n÷2	10748953
n÷3	7165968.6666667
n÷3	5374476.5
n÷5	4299581.2

Exponentiation

n^y

n²	462159962384836
n³	9.9354714283127E+21
n⁴	2.1359183083155E+29
n⁵	4.5917771015846E+36

Nth Root

^y√n

²√n	4636.5834404225
³√n	278.05586062404
⁴√n	68.092462434711
⁵√n	29.273808798647

Divisors of 21497906

1, 2, 10748953, 21497906

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	-21497905	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 21497906 can be divided by 4 positive divisors. The sum of these divisors (counting 21497906) is 1, the average is 0.25.

Base conversion 21497906

Base	System	Value
2	Binary	1010010000000100000110010
3	Ternary	1111110012120202
4	Quaternary	1102000200302
5	Quinary	21000413111
6	Senary	2044435202
8	Octal	122004062
10	Decimal	21497906
12	Duodecimal	7248b02
16	Hexadecimal	1480832
20	Vigesimal	6e74f6
36	Base36	csrw2

Cryptographic Hash Functions

md5	2ad9a2ad44df9ddffd3093da67e1b8cc
sha1	f69ad333337d24d75f56dd68782796e0592ebfe4
sha256	f8e45a08eccbef971f892671682bb4ccabd23276410064a7171642abea6a14e2
sha512	dd07a7d807adad6fae32666cb57ddcdbaf23af72a32ea6c8e53cbb2a509e75538e4c3a39642cf8903e22a92a2f3d2adfa4efbb92acfd188784d59dd425c09e8f
ripemd-160	f2ff57e98c39e559e2bdfed6602eb9a5f9f34cb0

21497906 as geometric shapes

Circle

Radius = n

Diameter	42995812
Circumference	135075327.11433
Area	1.4519183426115E+15

Sphere

Radius = n

Volume	4.1617605398851E+22
Surface area	5.8076733704461E+15
Circumference	135075327.11433

Square

Length = n

Perimeter	85991624
Area	462159962384836
Diagonal	30402630.227822

Cube

Length = n

Surface area	2772959774309016
Volume	9.9354714283127E+21
Space diagonal	37235465.44834

Equilateral Triangle

Length = n

Perimeter	64493718
Area	2.0012113401866E+14
Altitude	18617732.72417

Triangular Pyramid

Length = n

Surface area	2.0012113401866E+14
Volume	1.1709065368742E+21
Height	10134210.075941