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

21508972 (number)

21508972 is an even 8-digits composite number following 21508971 and preceding 21508973. In scientific notation, it is written as 2.1508972 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors. There are 10754484 positive integers (up to 21508972) that are relatively prime to 21508972.

Interesting facts

21508972 has 6 divisors, whose sum is 37640708
The reverse of 21508972 is 27980512
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million five hundred eight thousand nine hundred seventy-two

Notation

Scientific notation	2.1508972 × 10^7
Engineering notation	2.1508972 × 10^6

Prime Factorization of 21508972

Prime Factorization 2 × 2 × 5377243

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10754486	Product of the distinct prime numbers

The prime factorization of 21508972 is 2 × 2 × 5377243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 79, 2, 992, 416, 892, 2252, 71270, 66278, 703352, 372694, 2559427, 8844021, 55532211, 2588339, 897482990, 671384568, 5002583616, 9618468704

Basic calculations (n = 21508972)

Multiplication

n×y

n×2	43017944
n×3	64526916
n×4	86035888
n×5	107544860

Division

n÷y

n÷2	10754486
n÷3	7169657.3333333
n÷3	5377243
n÷5	4301794.4

Exponentiation

n^y

n²	462635876496784
n³	9.9508221137648E+21
n⁴	2.1403195422195E+29
n⁵	4.6036073104652E+36

Nth Root

^y√n

²√n	4637.7766224776
³√n	278.10356198854
⁴√n	68.10122335522
⁵√n	29.2768219041

Divisors of 21508972

1, 2, 4, 5377243, 10754486, 21508972

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21508971	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21508972 can be divided by 6 positive divisors. The sum of these divisors (counting 21508972) is 1, the average is 0.16666666666667.

Base conversion 21508972

Base	System	Value
2	Binary	1010010000011001101101100
3	Ternary	1111110202202121
4	Quaternary	1102003031230
5	Quinary	21001241342
6	Senary	2045002324
8	Octal	122031554
10	Decimal	21508972
12	Duodecimal	72533a4
16	Hexadecimal	148336c
20	Vigesimal	6e8c8c
36	Base36	ct0fg

Cryptographic Hash Functions

md5	ee9163235cc472157850c18abe81f26c
sha1	c9117e5f3504f025d3792e938186e224301fea06
sha256	67861d90211e89c1076e19ccf12ce041d718c007f641a5065fab8f0ffed80aca
sha512	61469b23a11b1f3c6c3080114ac940ee24f7ed6daf6ca41b76365e1ac446226a23ae0a71edd6f937e18ac718ef3b55cfdb873292d839bdc4baf9bc590a8d70eb
ripemd-160	8157fe4c325e0c1fa818778e23fea1b699b76c83

21508972 as geometric shapes

Circle

Radius = n

Diameter	43017944
Circumference	135144856.84294
Area	1.4534134708894E+15

Sphere

Radius = n

Volume	4.168190619971E+22
Surface area	5.8136538835575E+15
Circumference	135144856.84294

Square

Length = n

Perimeter	86035888
Area	462635876496784
Diagonal	30418279.915103

Cube

Length = n

Surface area	2775815258980704
Volume	9.9508221137648E+21
Space diagonal	37254632.322576

Equilateral Triangle

Length = n

Perimeter	64526916
Area	2.0032721087415E+14
Altitude	18627316.161288

Triangular Pyramid

Length = n

Surface area	2.0032721087415E+14
Volume	1.172715632504E+21
Height	10139426.638368