21897068 (number)

21897068 is an even 8-digits composite number following 21897067 and preceding 21897069. In scientific notation, it is written as 2.1897068 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 10930320 positive integers (up to 21897068) that are relatively prime to 21897068.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand sixty-eight

Notation

Scientific notation 2.1897068 × 10^7
Engineering notation 2.1897068 × 10^6

Prime Factorization of 21897068

Prime Factorization 2 × 2 × 647 × 8461

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10948534
Product of the distinct prime numbers

The prime factorization of 21897068 is 2 × 2 × 647 × 8461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 18, 42, 310, 998, 2047, 8920, 58684, 59704, 437783, 908964, 4575662, 7749953, 96305470, 31965033, 152414152, 601887021, 9236810747, 2831007988

Basic calculations (n = 21897068)

Multiplication

n×y
n×2 43794136
n×3 65691204
n×4 87588272
n×5 109485340

Division

n÷y
n÷2 10948534
n÷3 7299022.6666667
n÷3 5474267
n÷5 4379413.6

Exponentiation

ny
n2 479481586996624
n3 1.0499240915213E+22
n4 2.299025922688E+29
n5 5.0341926962862E+36

Nth Root

y√n
2√n 4679.4303072062
3√n 279.76625049385
4√n 68.406361598949
5√n 29.381718491255

Divisors of 21897068

1, 2, 4, 647, 1294, 2588, 8461, 16922, 33844, 5474267, 10948534, 21897068

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897067
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897068 can be divided by 12 positive divisors. The sum of these divisors (counting 21897068) is 1, the average is 0.083333333333333.

Base conversion 21897068

Base System Value
2 Binary 1010011100001111101101100
3 Ternary 1112012111010112
4 Quaternary 1103201331230
5 Quinary 21101201233
6 Senary 2101155152
8 Octal 123417554
10 Decimal 21897068
12 Duodecimal 73bbab8
16 Hexadecimal 14e1f6c
20 Vigesimal 6gh2d8
36 Base36 d1bvw

Cryptographic Hash Functions

md5 e887f24435bdae1b792cbbd30de9dcf3
sha1 7aafeb95f61d001d651a5482ab0d5f5f041c3527
sha256 b959145f75591b3b9e78b6bf40f6b8a6db4f08b8712505e09e43ccf358ce7891
sha512 5d2d680f6fa097a36ceb00ad81075b4cb98c37424af628fb58c4fba49c53f61d4c631670468e9faed87b2cda20b29e59be9c9ac07ffc7bedd524ff602baaf45e
ripemd-160 94be7b2cce95a7f1565b12b802f267077834264b

21897068 as geometric shapes

Circle

Radius = n
Diameter 43794136
Circumference 137583335.92791
Area 1.5063358312402E+15

Sphere

Radius = n
Volume 4.3979117503337E+22
Surface area 6.0253433249607E+15
Circumference 137583335.92791

Square

Length = n
Perimeter 87588272
Area 479481586996624
Diagonal 30967130.541806

Cube

Length = n
Surface area 2876889521979744
Volume 1.0499240915213E+22
Space diagonal 37926834.312791

Equilateral Triangle

Length = n
Perimeter 65691204
Area 2.0762161749298E+14
Altitude 18963417.156395

Triangular Pyramid

Length = n
Surface area 2.0762161749298E+14
Volume 1.2373474080764E+21
Height 10322376.847269