21897013 (number)

21897013 is an odd 8-digits composite number following 21897012 and preceding 21897014. In scientific notation, it is written as 2.1897013 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21872268 positive integers (up to 21897013) that are relatively prime to 21897013.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897013 × 10^7
Engineering notation 2.1897013 × 10^6

Prime Factorization of 21897013

Prime Factorization 919 × 23827

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21897013
Product of the distinct prime numbers

The prime factorization of 21897013 is 919 × 23827. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21897013)

Multiplication

n×y
n×2 43794026
n×3 65691039
n×4 87588052
n×5 109485065

Division

n÷y
n÷2 10948506.5
n÷3 7299004.3333333
n÷3 5474253.25
n÷5 4379402.6

Exponentiation

ny
n2 479479178322169
n3 1.049916180095E+22
n4 2.299002824445E+29
n5 5.0341294733909E+36

Nth Root

y√n
2√n 4679.4244304188
3√n 279.76601625919
4√n 68.406318643958
5√n 29.381703731324

Divisors of 21897013

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 -21897012
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 21897013 can be divided by 4 positive divisors. The sum of these divisors (counting 21897013) is 1, the average is 0.25.

Base conversion 21897013

Base System Value
2 Binary 1010011100001111100110101
3 Ternary 1112012111001111
4 Quaternary 1103201330311
5 Quinary 21101201023
6 Senary 2101155021
8 Octal 123417465
10 Decimal 21897013
12 Duodecimal 73bba71
16 Hexadecimal 14e1f35
20 Vigesimal 6gh2ad
36 Base36 d1bud

Cryptographic Hash Functions

md5 667b13dfe0f7910ce9746e14f106e868
sha1 7c847dd14d7c1901933f20a31b3fa4bfb574911e
sha256 d7caa3950a1b053121b8f720991de0781e437f315c808f71007b11ea84731b43
sha512 d4f1f30050366f8bcff05d14c3dd0e2da01785ac56385f04ffd0de11472f6d75cddb0ffdd89a3c484c2de2c1771100fe5fa7f0c2e5554508b68ae930fdb052b3
ripemd-160 854f51be3fca7fb97f41418a65e3bbd7097d0c02

21897013 as geometric shapes

Circle

Radius = n
Diameter 43794026
Circumference 137582990.35272
Area 1.5063282641662E+15

Sphere

Radius = n
Volume 4.3978786110286E+22
Surface area 6.0253130566648E+15
Circumference 137582990.35272

Square

Length = n
Perimeter 87588052
Area 479479178322169
Diagonal 30967052.76006

Cube

Length = n
Surface area 2876875069933014
Volume 1.049916180095E+22
Space diagonal 37926739.049996

Equilateral Triangle

Length = n
Perimeter 65691039
Area 2.0762057450634E+14
Altitude 18963369.524998

Triangular Pyramid

Length = n
Surface area 2.0762057450634E+14
Volume 1.2373380843711E+21
Height 10322350.92002