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

21697989 (number)

21697989 is an odd 8-digits composite number following 21697988 and preceding 21697990. In scientific notation, it is written as 2.1697989 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 14465324 positive integers (up to 21697989) that are relatively prime to 21697989.

Interesting facts

21697989 has 4 divisors, whose sum is 28930656
The reverse of 21697989 is 98979612
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

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

Notation

Scientific notation	2.1697989 × 10^7
Engineering notation	2.1697989 × 10^6

Prime Factorization of 21697989

Prime Factorization 3 × 7232663

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21697989	Product of the distinct prime numbers

The prime factorization of 21697989 is 3 × 7232663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 62, 55, 284, 387, 2144, 6262, 33475, 83363, 783044, 131872, 433710, 776871, 17731005, 69499676, 860607911, 839806628, 7127494491, 373353163

Basic calculations (n = 21697989)

Multiplication

n×y

n×2	43395978
n×3	65093967
n×4	86791956
n×5	108489945

Division

n÷y

n÷2	10848994.5
n÷3	7232663
n÷3	5424497.25
n÷5	4339597.8

Exponentiation

n^y

n²	470802726644121
n³	1.0215472383894E+22
n⁴	2.2165520741554E+29
n⁵	4.8094722522951E+36

Nth Root

^y√n

²√n	4658.1100244627
³√n	278.91582872186
⁴√n	68.250348163674
⁵√n	29.328097873087

Divisors of 21697989

1, 3, 7232663, 21697989

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	-21697988	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 21697989 can be divided by 4 positive divisors. The sum of these divisors (counting 21697989) is 1, the average is 0.25.

Base conversion 21697989

Base	System	Value
2	Binary	1010010110001010111000101
3	Ternary	1111211101001020
4	Quaternary	1102301113011
5	Quinary	21023313424
6	Senary	2053021353
8	Octal	122612705
10	Decimal	21697989
12	Duodecimal	7324859
16	Hexadecimal	14b15c5
20	Vigesimal	6fc4j9
36	Base36	cx29x

Cryptographic Hash Functions

md5	6e1508105d3a5661ae1aaccfa86ecdf7
sha1	090ae97db56ef64586b7faf3b452474107c51177
sha256	50ac3361ac0e011193700d389197de5231f570a2becfa394d5dcaad0efecea13
sha512	1e45cedb661b64fc04a10e0d9e93eb855fa5fe72a9a27c67ecb24b4caf16b35b92e407a00f329a3d364dda34e13d08aab0cd81a6c03fafab86bda472f7385222
ripemd-160	07d4944305112905119d8e8f7e0a2e9adf01a7dc

21697989 as geometric shapes

Circle

Radius = n

Diameter	43395978
Circumference	136332485.68014
Area	1.4790703873152E+15

Sphere

Radius = n

Volume	4.2790470658922E+22
Surface area	5.9162815492609E+15
Circumference	136332485.68014

Square

Length = n

Perimeter	86791956
Area	470802726644121
Diagonal	30685590.320022

Cube

Length = n

Surface area	2824816359864726
Volume	1.0215472383894E+22
Space diagonal	37582019.370071

Equilateral Triangle

Length = n

Perimeter	65093967
Area	2.0386356072239E+14
Altitude	18791009.685035

Triangular Pyramid

Length = n

Surface area	2.0386356072239E+14
Volume	1.2039049659459E+21
Height	10228530.106674